extraordinarylab/comve_taskb · Datasets at Hugging Face

context stringlengths 11 146	answerA stringlengths 12 144	answerB stringlengths 10 154	answerC stringlengths 3 149	label class label 3 classes
Cheese is a kind of soy product.	Cheese is made from milk, not soy.	The nutritional value of cheese is rich.	Tofu is a soy product	0A
Air can't help combustion.	Oil can help combustion.	Air contains oxygen, which can help combustion.	Air is a colorless and tasteless gas.	1B
Wood can't burn.	Wood is flammable	Not everything can burn	Woodburning produces smoke	0A
Car exhaust has no adverse effect on the atmosphere.	The use of a purification device can reduce the emissions of car exhaust.	Human activities have a great effect on the atmosphere	Car exhaust has a variety of harmful gases	2C
The altitude of the plateau is very low.	Plateaus have high altitudes	The altitude of the basin is very low	The Qinghai-Tibet plateau is the largest plateau in China	0A
The kangaroo's tail is useless	Kangaroos are not the only animal with tails	The kangaroo's pouch is useful	The kangaroo's tail can help it to be balanced	2C
Cats have no sex	Cats like to eat fish	Cats can be divided into male and female cats so cats have sex	Most animals have sex	1B
Mobile phone can not make phone calls	Making phone calls can help us get connected with others	Mobile phone has a calling function	Mobile phones can take pictures	1B
Confucianism is an important part of American culture	Confucianism is originated in China	Confucius has many students	American culture is unique and brilliant	0A
Water can't be boiled in any condition	Water can be boiled when it reaches its boiling point	Pure water is colorless and tasteless	Some people are used to drinking boiled water	0A
Pure water is gas	Pure water can be drunk	Pure water is transparent liquid	Water vapor is not gas	1B
Grapes grow on trees	Raisins are made of grapes	Apples grow on trees	Grapes do not have trees, only vines	2C
There can't be fish in the river	There can't be clouds in the river	There are fish in the lake	Water is the growth environment of fish	2C
Wine is made from bananas	Both bananas and grapes are fruit	Wine contains alcohol	The raw material of wine is grapes	2C
The winter temperature in the north is very high	The winter in the north is usually cold and the temperature is usually low	It snows sometimes in winter in the north	The winter temperature in the south is not that low	0A
Nails never grow	The main ingredient of the nail is the keratin	The root of the nail will constantly produce new cells so the nail will grow	Nail growing too fast can be annoying	1B
Milk is bad for health	Both milk and health are nouns	We shouldn't eat things that are bad for our health	Milk is rich in nutrients and good for health	2C
Alcohol can not disinfect	Equipment in the hospital is disinfected	Alcohol can kill bacteria	Alcohol has a pungent smell	1B
Bulls can conceive	Cows can conceive	Bulls have no uterus and can't conceive	Bulls and cows look similar	1B
The closer your eyes are to the screen, the better	Eyes being too close to the TV screen can affect vision	An eye cannot be watching two screens at the same time	Both TV and computer have screens	0A
The moon can produce light	The light of the moon is the result of reflecting sunlight	There is no life on the moon	The lights and lamps can produce light	0A
People sweat when they are cold	Sweat is expelled through sweat glands	Sweating is a way for human bodies to lose heat	People may tremble when they are cold	1B
Rubber never hardens	Rubber will harden when it ages over time	Rubber is inedible	When rubber hardens, it becomes useless	0A
It's more comfortable to sit in a chair without a back	Sitting in a chair requires less energy than standing	A chair with a back can relax the back	It's comfortable to lay in the bed	1B
There's never a spark when you take your sweater off in winter	Sometimes we can see the sparks in the dark	Sweaters can keep you warm in winter	In dry winter, friction between synthetic fabrics can spark static electricity	2C
People feel strong when they catch a cold	Cold affects the body's immune system and makes people weak	No one wants to catch a cold	People feel stronger after they have exercises	0A
She uses the trash bin to cook	Trash bins can be bought in supermarkets	Trash bins are too unsanitary to cook	Cooking usually requires various equipment	1B
There are more mosquitoes in the day than at night	Mosquitoes feed on blood	There are insects both in the day and at night	Mosquitoes are nocturnal	2C
Snow is red	Snow is more common in winter than summer	Snow is usually white, not red	If you pour red pigments on the snow, it would be red	1B
Open the wall when you get up in the morning	Have breakfast when you get up in the morning	You can open your closet in the morning to pick the clothes	Wall cannot be opened	2C
Human blood is green	Human blood contains a large number of red blood cells so it is red	Human blood contains plasma	Aliens may have green blood	0A
Wintersweet blossoms in summer	Many flowers blossom in summer	Wintersweet usually blossoms in a low temperature	The wintersweet has a strong aroma	1B
Bamboo is solid	Many trees have solid trunks	The hollow trunk is the characteristic of bamboo	Bamboo can make flutes	1B
Doors can be opened without the key when they are locked	Opening a locked door is not difficult if you have the right key	You can only unlock the locked door with a key	The doors of offices are locked on weekends	1B
Glue can't be used to stick things	Double-sided tape can be used to stick things	Glue is sticky and its function is to stick things	Glue hardens when exposed to air	1B
Pyramids are used for living	Pyramid is one of the four wonders of Oriental culture	The Pyramid of Khufu is the largest pyramid in the world	The pyramids are the tombs of ancient Egyptian Kings	2C
Get up early in the morning and open the window to block fresh air out	Opening the window will let fresh air in, not block it out	Breathing fresh air is good for health	Not everyone has the habit of getting up early and opening the window	0A
Hot springs are icy	A hot spring is a kind of spring water but not all the spring water is hot spring	Groundwater flows through hot magma and turns into hot water so the hot springs are hot	If you put a lot of ice into the hot spring, it may turn icy	1B
A towel can not dry the water on your body	A towel is a cleaning product	The water on your body will dry up even if you don't use the towel	Towels have a certain degree of water absorption.	2C
Plastic does not change when exposed to sunlight	Plastic is a kind of high molecular compound	Plastic ages and becomes brittle when exposed to sunlight	Plastic should not be exposed to sunlight for long	1B
A building can float on water	A building is usually built on land	A building is too heavy to float on water	Light things can easily float on water	1B
The silk road was paved with silk	The silk road is divided into Land Silk Road and Sea Silk Road	Silk was very precious and expensive	Silk is the primary commercial on the silk road, not the paving material	2C
There are still living dinosaurs in the world	There are still living tigers in the world	Different kinds of dinosaurs differ greatly in size and behavior	Dinosaurs are extinct	2C
Cut apples don't change color when they expose in the air for a long time	Open apples oxidize when exposed to air	Exposing cut apples in the air is not a good idea	Apples grow on trees	0A
Smoking has no effect on health	Cigarettes contain a lot of harmful substances	Bad living habits have bad effects on health	Smoking is prohibited in public	0A
Owls have very stiff necks	Stiff necks are not flexible	Owls are warm-blooded	An owl can turn its head around 270 degrees	2C
The largest area on earth is the land	Oceans cover about 71 percent of the earth's surface area	Humans live on the land	There are many creatures both on the land and in the ocean	0A
The tongue cannot taste	The tongue is in the mouth	We can taste different flavors	There are many taste buds on the tongue so it can taste	2C
Honey peaches are not peaches	Honey peaches is a kind of peaches	Not all the peaches are honey peaches	Honey peaches have very thin peels.	0A
Human appearance is only determined by their genes	There are no two people whose appearances are the same	Human appearance is determined by both genes and the external environment	Genes can determine many things	1B
Edible salt cannot be used for seasoning	Salt adds saltiness to food so it can be used for seasoning	Edible salt is white crystal	Different seasonings can be used to adjust different flavors	0A
Sugar and salt taste the same	Both sugar and salt can be used for seasoning	Salt can be found in seawater but sugar can't	Sugar tastes sweet and salty tastes salty	2C
When there is no water when thirsty, you can use oil instead.	Water is denser than oil	Water and oil do not mix	Oil is not drinkable	2C
Glass must be transparent	Transparent glass does not block your vision	The main component of glass is silica	Some kinds of glass are not transparent	2C
She uses a pen to cut papers	Cutting papers into different shapes is fun	He uses a pen to sign	Pens don't have the function of cutting papers	2C
Aunt is a male	Uncle is a male	Aunt is a kinship term	Aunt is my father's sister which is a female	2C
A magnifying glass zooms out objects insight	A magnifying glass is an optical device	Concave lens will zoom out objects insight	The function of a magnifying glass is to magnify objects insight	2C
A man has four legs	A man is an upright walking animal so he should have two legs	A man has two arms and two hands	Legs can help us walk	0A
Eyelashes grow above the mouths	Above the mouth, there grows nose	Eyelashes grow at the front of the eyelid	Eyelashes can keep dirt from the environment out of your eyes	1B
Normal people can only see black and white	The retinas in normal eyes can distinguish between different colors	Normal people can see things clearly as they are	Black and white photos are unique and impressive	0A
Durian has no smell	Different fruit have different smells	The flesh of the durian is pale yellow	Durian has a unique smell which some people may find it annoying	2C
Pandas are colorful on the outside	The panda is a national treasure of China	The panda's appearance is only black and white	Parrots are colorful on the outside	1B
Seahorses live on the grassland	Horses live on the grassland	Seahorses is marine life and lives in the sea	Seahorses feed on small crustaceans	1B
The body can only sweat through the tongue	We often sweat after exercises	The tongue is a part of our body	Sweat glands are distributed all over the surface of the skin	2C
Bitter melon has a smooth surface	Bitter melon is an annual plant	The watermelon has a smooth surface	Bitter melon has many bumps on the surface	2C
Seedless watermelons have no fruit	Watermelon contains a lot of water	All the watermelons have fruit	Seedless watermelons are easier to eat	1B
Birds can only fly	Different birds have different habitats	Humans cannot fly	Birds can both walk and fly	2C
Squirrels have very small tails	Squirrels feed on nuts	Squirrels have big tails to keep balance	Squirrels is not the only animal with tails	1B
Leaves will not fall	Leaves usually turn yellow before they fall	Decay fallen leaves can provide nutrients for big trees	The leaves contain abscisic acid which makes them fall	2C
Snakes never shed their skins	Shedding skins is a normal physiological phenomenon for snakes	Snakes hibernate in winter	Snakes is not the only animal who shed skins	0A
People never yawn	People usually open their mouths when yawning	Seriously ill people rarely yawn	People yawn when they feel tired	2C
Snakes walk on their feet	Cobra is a kind of poisonous snake	We humans walk on our feet	Snakes have no feet	2C
People's hair will still be black when they get old	The melanin in hair decreases as the body ages.	Hair dyeing can change the color of hair.	Many things will change when people get old	0A
Ostriches can fly	Ostriches can run very fast	Ostriches live in desert areas	The wings of the ostrich are too weak to help them fly	2C
Winter in Antarctica is warmer than that in Australia	Australia is a country while Antarctica is an area	Winter in Antarctica is the coldest	Penguins live in Antarctica	1B
Every volcano erupts	Volcanoes are a common landform	Extinct volcanoes are inactive	Volcano eruption is terrifying	1B
A camel's hump is useless	Camels are called "ships in the desert"	A camel's hump stores a lot of fat	Camels are divided into dromedary camels and two-humped camels	1B
There are many green plants in the desert	The desert climate is dry and not conducive to plant growth	There is a lot of sand in the desert	Some companies like to have green plants in their offices	0A
Clouds will fall onto the ground	Clouds can be transformed into many shapes	The water vapor that forms clouds is very light in mass.	Raindrops will fall onto the ground	1B
Clouds are solid	Clouds are the result of the earth's water cycle	Clouds are formed from water vapor	Stones are solid	1B
The tide of the sea never rises or falls	The seawater has the phenomenon of high tide and low tide	Tides are periodic movements	Scenes are different when the sea tide rises and falls	0A
The sun is an iced ball	Fusion of hydrogen atoms inside the sun produces a lot of heat	The sun is the central celestial body of the solar system	Both the sun and the moon are in the shape of balls	0A
The earth is a cube	The earth is in the solar system	Cubes look different from spheres	The earth is an irregular oval sphere	2C
Fish cannot float or sink in water	Fish can control their ups and downs through swim bladder	Great swimmers can float and sink in water	A fish is a vertebrate	0A
Fish will jump out of the water before stock plunge	It is not common to see fish jumping out of the water	There might be some signs before the stock plunge	Fish cannot be able to know when there will be a stock plunge	2C
Ostriches never stick their heads in the sand	An ostrich has long legs and a long neck	It is stupid to stick your head in the sand	Ostriches often eat sand with their heads down to help with food digestion	2C
Butterflies line up when flying	Butterfly is a common insect which can be very beautiful sometimes	Lining up when flying has certain functions	Butterflies do not have the habit of lining up when flying	2C
Sugar can decay the spine	Sugar can't directly contact the spine	Sugar is very sweet, so many children like to eat it	people protect their spines	0A
Water evaporates into vapor when the temperature goes down	water evaporation happens when the temperature goes higher	The evaporation process of water requires a high temperature	In winter, the temperature goes down and people can find vapor on windows	1B
His obsession with sports brought him poor health	his obsession with smoke brought him poor health	sports is good for health	many parents do not want their children to obsess with sports	1B
trees in metropolitan have become taller than ever	The increase in city size has no relation to the height of trees	there are more trees in the metropolitan than ever	the trees in metropolitan are taller than people	0A
He was fired because he succeeded in meeting the requirements of the company	Meeting the company's requirements can't be a reason to dismiss employees	the boss like the employer who can succeed in meeting the requirements of the company	he was fired because he drafted unreasonable requirements of the company	0A
I turned up my collar against the fog to keep warm	people need to keep warm in the fog	Fog filled the air and the collar can't stop it	Some warm clothes have collars, others don't	1B
This device is designed for the conversion of usable products into waste	some useless products and devices converse into waste	Converting usable products into waste is a waste of resources	people can make a profit from the conversion of waste into usable products	1B
Squirrel will make a store of leaves for the winter	Leaves don't bring enough nutrition to squirrels in winter	squirrels will store food for the cold winter	there are few leaves on the branches in the winter	0A
Babies often walk on the floor before they learn to crawl	The baby's development sequence is to crawl first and then walk	babies can not avoid falling on the floor when they are learning how to walk	parents should take care of their babies when they are learning how to crawl and walk	0A
He has put himself under undue strain and needs to exercise vigorously	some people under undue strain will do exercise to release the burden	vigorous exercise can help you lose weight quickly	Vigorous exercise will only increase the burden on the body	2C
He drunk a lot at the party so he is sober enough to drive us home	after driving us home, he went to the party and drunk a lot	A driver can not be sober after driving for too long time	It is difficult to stay sober after drinking a lot of, and driving is very dangerous at this time	2C
The little girl who forgot to bring a coat shivered in the warm	The coat can keep the little girl warm	do not forget to bring a coat when you leave the warm room	Warm weather doesn't make one shiver	2C
The boat can provide against the flood	Floods will cause many economic losses and casualties	The construction of the boat requires a lot of money and time	The boat is too small to stop the flood	2C

Cheese is a kind of soy product.

Cheese is made from milk, not soy.

The nutritional value of cheese is rich.

Tofu is a soy product

0A

Air can't help combustion.

Oil can help combustion.

Air contains oxygen, which can help combustion.

Air is a colorless and tasteless gas.

1B

Wood can't burn.

Wood is flammable

Not everything can burn

Woodburning produces smoke

0A

Car exhaust has no adverse effect on the atmosphere.

The use of a purification device can reduce the emissions of car exhaust.

Human activities have a great effect on the atmosphere

Car exhaust has a variety of harmful gases

2C

The altitude of the plateau is very low.

Plateaus have high altitudes

The altitude of the basin is very low

The Qinghai-Tibet plateau is the largest plateau in China

0A

The kangaroo's tail is useless

Kangaroos are not the only animal with tails

The kangaroo's pouch is useful

The kangaroo's tail can help it to be balanced

2C

Cats have no sex

Cats like to eat fish

Cats can be divided into male and female cats so cats have sex

Most animals have sex

1B

Mobile phone can not make phone calls

Making phone calls can help us get connected with others

Mobile phone has a calling function

Mobile phones can take pictures

1B

Confucianism is an important part of American culture

Confucianism is originated in China

Confucius has many students

American culture is unique and brilliant

0A

Water can't be boiled in any condition

Water can be boiled when it reaches its boiling point

Pure water is colorless and tasteless

Some people are used to drinking boiled water

0A

Pure water is gas

Pure water can be drunk

Pure water is transparent liquid

Water vapor is not gas

1B

Grapes grow on trees

Raisins are made of grapes

Apples grow on trees

Grapes do not have trees, only vines

2C

There can't be fish in the river

There can't be clouds in the river

There are fish in the lake

Water is the growth environment of fish

2C

Wine is made from bananas

Both bananas and grapes are fruit

Wine contains alcohol

The raw material of wine is grapes

2C

The winter temperature in the north is very high

The winter in the north is usually cold and the temperature is usually low

It snows sometimes in winter in the north

The winter temperature in the south is not that low

0A

Nails never grow

The main ingredient of the nail is the keratin

The root of the nail will constantly produce new cells so the nail will grow

Nail growing too fast can be annoying

1B

Milk is bad for health

Both milk and health are nouns

We shouldn't eat things that are bad for our health

Milk is rich in nutrients and good for health

2C

Alcohol can not disinfect

Equipment in the hospital is disinfected

Alcohol can kill bacteria

Alcohol has a pungent smell

1B

Bulls can conceive

Cows can conceive

Bulls have no uterus and can't conceive

Bulls and cows look similar

1B

The closer your eyes are to the screen, the better

Eyes being too close to the TV screen can affect vision

An eye cannot be watching two screens at the same time

Both TV and computer have screens

0A

The moon can produce light

The light of the moon is the result of reflecting sunlight

There is no life on the moon

The lights and lamps can produce light

0A

People sweat when they are cold

Sweat is expelled through sweat glands

Sweating is a way for human bodies to lose heat

People may tremble when they are cold

1B

Rubber never hardens

Rubber will harden when it ages over time

Rubber is inedible

When rubber hardens, it becomes useless

0A

It's more comfortable to sit in a chair without a back

Sitting in a chair requires less energy than standing

A chair with a back can relax the back

It's comfortable to lay in the bed

1B

There's never a spark when you take your sweater off in winter

Sometimes we can see the sparks in the dark

Sweaters can keep you warm in winter

In dry winter, friction between synthetic fabrics can spark static electricity

2C

People feel strong when they catch a cold

Cold affects the body's immune system and makes people weak

No one wants to catch a cold

People feel stronger after they have exercises

0A

She uses the trash bin to cook

Trash bins can be bought in supermarkets

Trash bins are too unsanitary to cook

Cooking usually requires various equipment

1B

There are more mosquitoes in the day than at night

Mosquitoes feed on blood

There are insects both in the day and at night

Mosquitoes are nocturnal

2C

Snow is red

Snow is more common in winter than summer

Snow is usually white, not red

If you pour red pigments on the snow, it would be red

1B

Open the wall when you get up in the morning

Have breakfast when you get up in the morning

You can open your closet in the morning to pick the clothes

Wall cannot be opened

2C

Human blood is green

Human blood contains a large number of red blood cells so it is red

Human blood contains plasma

Aliens may have green blood

0A

Wintersweet blossoms in summer

Many flowers blossom in summer

Wintersweet usually blossoms in a low temperature

The wintersweet has a strong aroma

1B

Bamboo is solid

Many trees have solid trunks

The hollow trunk is the characteristic of bamboo

Bamboo can make flutes

1B

Doors can be opened without the key when they are locked

Opening a locked door is not difficult if you have the right key

You can only unlock the locked door with a key

The doors of offices are locked on weekends

1B

Glue can't be used to stick things

Double-sided tape can be used to stick things

Glue is sticky and its function is to stick things

Glue hardens when exposed to air

1B

Pyramids are used for living

Pyramid is one of the four wonders of Oriental culture

The Pyramid of Khufu is the largest pyramid in the world

The pyramids are the tombs of ancient Egyptian Kings

2C

Get up early in the morning and open the window to block fresh air out

Opening the window will let fresh air in, not block it out

Breathing fresh air is good for health

Not everyone has the habit of getting up early and opening the window

0A

Hot springs are icy

A hot spring is a kind of spring water but not all the spring water is hot spring

Groundwater flows through hot magma and turns into hot water so the hot springs are hot

If you put a lot of ice into the hot spring, it may turn icy

1B

A towel can not dry the water on your body

A towel is a cleaning product

The water on your body will dry up even if you don't use the towel

Towels have a certain degree of water absorption.

2C

Plastic does not change when exposed to sunlight

Plastic is a kind of high molecular compound

Plastic ages and becomes brittle when exposed to sunlight

Plastic should not be exposed to sunlight for long

1B

A building can float on water

A building is usually built on land

A building is too heavy to float on water

Light things can easily float on water

1B

The silk road was paved with silk

The silk road is divided into Land Silk Road and Sea Silk Road

Silk was very precious and expensive

Silk is the primary commercial on the silk road, not the paving material

2C

There are still living dinosaurs in the world

There are still living tigers in the world

Different kinds of dinosaurs differ greatly in size and behavior

Dinosaurs are extinct

2C

Cut apples don't change color when they expose in the air for a long time

Open apples oxidize when exposed to air

Exposing cut apples in the air is not a good idea

Apples grow on trees

0A

Smoking has no effect on health

Cigarettes contain a lot of harmful substances

Bad living habits have bad effects on health

Smoking is prohibited in public

0A

Owls have very stiff necks

Stiff necks are not flexible

Owls are warm-blooded

An owl can turn its head around 270 degrees

2C

The largest area on earth is the land

Oceans cover about 71 percent of the earth's surface area

Humans live on the land

There are many creatures both on the land and in the ocean

0A

The tongue cannot taste

The tongue is in the mouth

We can taste different flavors

There are many taste buds on the tongue so it can taste

2C

Honey peaches are not peaches

Honey peaches is a kind of peaches

Not all the peaches are honey peaches

Honey peaches have very thin peels.

0A

Human appearance is only determined by their genes

There are no two people whose appearances are the same

Human appearance is determined by both genes and the external environment

Genes can determine many things

1B

Edible salt cannot be used for seasoning

Salt adds saltiness to food so it can be used for seasoning

Edible salt is white crystal

Different seasonings can be used to adjust different flavors

0A

Sugar and salt taste the same

Both sugar and salt can be used for seasoning

Salt can be found in seawater but sugar can't

Sugar tastes sweet and salty tastes salty

2C

When there is no water when thirsty, you can use oil instead.

Water is denser than oil

Water and oil do not mix

Oil is not drinkable

2C

Glass must be transparent

Transparent glass does not block your vision

The main component of glass is silica

Some kinds of glass are not transparent

2C

She uses a pen to cut papers

Cutting papers into different shapes is fun

He uses a pen to sign

Pens don't have the function of cutting papers

2C

Aunt is a male

Uncle is a male

Aunt is a kinship term

Aunt is my father's sister which is a female

2C

A magnifying glass zooms out objects insight

A magnifying glass is an optical device

Concave lens will zoom out objects insight

The function of a magnifying glass is to magnify objects insight

2C

A man has four legs

A man is an upright walking animal so he should have two legs

A man has two arms and two hands

Legs can help us walk

0A

Eyelashes grow above the mouths

Above the mouth, there grows nose

Eyelashes grow at the front of the eyelid

Eyelashes can keep dirt from the environment out of your eyes

1B

Normal people can only see black and white

The retinas in normal eyes can distinguish between different colors

Normal people can see things clearly as they are

Black and white photos are unique and impressive

0A

Durian has no smell

Different fruit have different smells

The flesh of the durian is pale yellow

Durian has a unique smell which some people may find it annoying

2C

Pandas are colorful on the outside

The panda is a national treasure of China

The panda's appearance is only black and white

Parrots are colorful on the outside

1B

Seahorses live on the grassland

Horses live on the grassland

Seahorses is marine life and lives in the sea

Seahorses feed on small crustaceans

1B

The body can only sweat through the tongue

We often sweat after exercises

The tongue is a part of our body

Sweat glands are distributed all over the surface of the skin

2C

Bitter melon has a smooth surface

Bitter melon is an annual plant

The watermelon has a smooth surface

Bitter melon has many bumps on the surface

2C

Seedless watermelons have no fruit

Watermelon contains a lot of water

All the watermelons have fruit

Seedless watermelons are easier to eat

1B

Birds can only fly

Different birds have different habitats

Humans cannot fly

Birds can both walk and fly

2C

Squirrels have very small tails

Squirrels feed on nuts

Squirrels have big tails to keep balance

Squirrels is not the only animal with tails

1B

Leaves will not fall

Leaves usually turn yellow before they fall

Decay fallen leaves can provide nutrients for big trees

The leaves contain abscisic acid which makes them fall

2C

Snakes never shed their skins

Shedding skins is a normal physiological phenomenon for snakes

Snakes hibernate in winter

Snakes is not the only animal who shed skins

0A

People never yawn

People usually open their mouths when yawning

Seriously ill people rarely yawn

People yawn when they feel tired

2C

Snakes walk on their feet

Cobra is a kind of poisonous snake

We humans walk on our feet

Snakes have no feet

2C

People's hair will still be black when they get old

The melanin in hair decreases as the body ages.

Hair dyeing can change the color of hair.

Many things will change when people get old

0A

Ostriches can fly

Ostriches can run very fast

Ostriches live in desert areas

The wings of the ostrich are too weak to help them fly

2C

Winter in Antarctica is warmer than that in Australia

Australia is a country while Antarctica is an area

Winter in Antarctica is the coldest

Penguins live in Antarctica

1B

Every volcano erupts

Volcanoes are a common landform

Extinct volcanoes are inactive

Volcano eruption is terrifying

1B

A camel's hump is useless

Camels are called "ships in the desert"

A camel's hump stores a lot of fat

Camels are divided into dromedary camels and two-humped camels

1B

There are many green plants in the desert

The desert climate is dry and not conducive to plant growth

There is a lot of sand in the desert

Some companies like to have green plants in their offices

0A

Clouds will fall onto the ground

Clouds can be transformed into many shapes

The water vapor that forms clouds is very light in mass.

Raindrops will fall onto the ground

1B

Clouds are solid

Clouds are the result of the earth's water cycle

Clouds are formed from water vapor

Stones are solid

1B

The tide of the sea never rises or falls

The seawater has the phenomenon of high tide and low tide

Tides are periodic movements

Scenes are different when the sea tide rises and falls

0A

The sun is an iced ball

Fusion of hydrogen atoms inside the sun produces a lot of heat

The sun is the central celestial body of the solar system

Both the sun and the moon are in the shape of balls

0A

The earth is a cube

The earth is in the solar system

Cubes look different from spheres

The earth is an irregular oval sphere

2C

Fish cannot float or sink in water

Fish can control their ups and downs through swim bladder

Great swimmers can float and sink in water

A fish is a vertebrate

0A

Fish will jump out of the water before stock plunge

It is not common to see fish jumping out of the water

There might be some signs before the stock plunge

Fish cannot be able to know when there will be a stock plunge

2C

Ostriches never stick their heads in the sand

An ostrich has long legs and a long neck

It is stupid to stick your head in the sand

Ostriches often eat sand with their heads down to help with food digestion

2C

Butterflies line up when flying

Butterfly is a common insect which can be very beautiful sometimes

Lining up when flying has certain functions

Butterflies do not have the habit of lining up when flying

2C

Sugar can decay the spine

Sugar can't directly contact the spine

Sugar is very sweet, so many children like to eat it

people protect their spines

0A

Water evaporates into vapor when the temperature goes down

water evaporation happens when the temperature goes higher

The evaporation process of water requires a high temperature

In winter, the temperature goes down and people can find vapor on windows

1B

His obsession with sports brought him poor health

his obsession with smoke brought him poor health

sports is good for health

many parents do not want their children to obsess with sports

1B

trees in metropolitan have become taller than ever

The increase in city size has no relation to the height of trees

there are more trees in the metropolitan than ever

the trees in metropolitan are taller than people

0A

He was fired because he succeeded in meeting the requirements of the company

Meeting the company's requirements can't be a reason to dismiss employees

the boss like the employer who can succeed in meeting the requirements of the company

he was fired because he drafted unreasonable requirements of the company

0A

I turned up my collar against the fog to keep warm

people need to keep warm in the fog

Fog filled the air and the collar can't stop it

Some warm clothes have collars, others don't

1B

This device is designed for the conversion of usable products into waste

some useless products and devices converse into waste

Converting usable products into waste is a waste of resources

people can make a profit from the conversion of waste into usable products

1B

Squirrel will make a store of leaves for the winter

Leaves don't bring enough nutrition to squirrels in winter

squirrels will store food for the cold winter

there are few leaves on the branches in the winter

0A

Babies often walk on the floor before they learn to crawl

The baby's development sequence is to crawl first and then walk

babies can not avoid falling on the floor when they are learning how to walk

parents should take care of their babies when they are learning how to crawl and walk

0A

He has put himself under undue strain and needs to exercise vigorously

some people under undue strain will do exercise to release the burden

vigorous exercise can help you lose weight quickly

Vigorous exercise will only increase the burden on the body

2C

He drunk a lot at the party so he is sober enough to drive us home

after driving us home, he went to the party and drunk a lot

A driver can not be sober after driving for too long time

It is difficult to stay sober after drinking a lot of, and driving is very dangerous at this time

2C

The little girl who forgot to bring a coat shivered in the warm

The coat can keep the little girl warm

do not forget to bring a coat when you leave the warm room

Warm weather doesn't make one shiver

2C

The boat can provide against the flood

Floods will cause many economic losses and casualties

The construction of the boat requires a lot of money and time

The boat is too small to stop the flood

2C