Q: Read the following article and answer the question. Article: Napoga is a 12-year-old girl in Ghana ,Africa.It is hard for her family to get clean water.Every morning,she leaves home at half past five to get clean water for her family from a village far away.It takes her six hours to get enough clean water for daily cooking and drinking.She has no time to go to school or to play with her friends.Millions of people in the world are like Napoga.They can't get enough clean water to keep healthy. Earth Day is April 22.But on all other days,we must also remember it.The water we use is the most important natural resource on the earth. Water covers 70% of the earth's surface .But most of that is sea water.We can't use it for many things.Fresh water covers only 1% of the earth's surface. You probably feel lucky that your life isn't as hard as Napoga's.But that doesn't mean you don't have to worry about water.We all face serious water problems.One of them is water pollution.All kinds of things from cars,factories,farms and homes make our rivers,lakes,and oceans dirty.Polluted water is very bad for people to drink.And dirty water is bad for fish,too.Now,34% of all kinds of fish are dying out. How do cars and factories make our water dirty?First,they pollute the air.Then,when it rains,the rain water comes down and makes our drinking water dirty.Dirty rain,called acid rain ,is also bad for plants,animals and buildings. Scientists say that in 30 years,more than half of the people in the world won't have enough clean water.We have to learn how to save more water for ourselves and our children.Here is some advice for saving water: * Turn off the water while you brush your teeth.You can save as much as 450 liters each month. * Leaky taps waste a lot of water.Fix them right away! * You can easily cut your 10-minute showers in half--and you'll be just as clean. * When you wash dishes,don't let the water run. * Only wash clothes when you have a lot to wash.If your washing machine isn't full,you're wasting water! Question: Acid rain  _  . Answer:
A: doesn't just do harm to human beings but also to animals,plants and buildings

Q: Read the following article and answer the question. Article: A 50-year-old American officer came back to his school. The teacher asked him to give a talk to the small boys and girls there. The talk was about the love of their great country. All the little ones were sitting in a large meeting-room. The old officer went up and began speaking. He said , " Boys and girls . I studied in this school forty years ago. When I was your age, we were not as happy as you are today. Think about it and answer me, why are you so happy now?" No sound came from the children. The old man waited for a long time. Then a short boy in the front put up his small dirty hand. "Good boy! Please answer me, dear." said the officer. With a big smile on his face, the boy stood up and said, "If you speak long enough, we won't have Maths and biology lessons this morning." Question: The short boy in the front  _  . Answer:
A: told the truth

Q: Read the following article and answer the question. Article: Once a small boy lived on a farm which seemed so far away from everywhere. He needed to get up before the sun rose every morning to help his father on the farm. After an hour he could take a break for a while. Then he climbed up on the walls along the side of the farm. He could see a house with gold windows. "If they could afford gold windows, then there must be other nice things inside the house." He imagined how great it would be to live there. Then he promised himself, "Some day I will go there and see this wonderful place." One morning, his father would go to the town and told him to stay at home for a rest. Knowing that this was his chance, he took a sandwich and went across the field towards the house with the gold windows. As the afternoon went on, he began to realize how wrong he was. The house was much farther than he had expected. As he went near the house, he saw no gold windows but instead a place in need of painting. A small girl very close to his age came out of the poor house and stood there. He asked her if she had seen the house with the gold windows. The girl said, "Sure, I know." and invited him to sit on the porch  . As he sat there, he looked back from where he just came. There he saw the sunset   turned the windows of his house to gold! Now he understood that everyone had his own house with gold windows. Question: The story tells us that people sometimes may have the thought   _  . Answer:
A: The grass is greener somewhere else

Q: Read the following article and answer the question. Article: An old Japanese man kept a sparrow   and he really liked it. But one day the bird flew away. He became sad and went out to look for it. At last, he met the bird on a mountain. [:Zxxk.Com] He asked excitedly, "Will you please go home with me, my bird?" Though the bird was also happy to see the old man, it shook its head. "Take me to your home and let me see how you live," the old man said. The bird led the old man to its new home. And he found it lived well with many other birds. So he decided to go back. Before he was leaving, the bird gave him a basket. When he returned home, he told his wife what had happened. She opened the basket and saw a lot of gold. The old woman was very greedy and she wanted to get more baskets. So she set out for the sparrow's home. "Hello, sparrow. I miss you very much," cried the woman falsely  . The bird said nothing. It gave her two baskets, a light one and a heavy one. The bird asked her to choose one and she could only open it after she reached home. Of course, she chose the heavy one and took it home with great difficult. However, when she opened the basket, she found it was full of stones! Question: Why did the old man go back home alone when he found the sparrow? Answer:
