Bài 13: Hoạt động sản xuất của người dân ở đồng bằng Bắc Bộ
<h3 id="1-vua-luacutea-lon-thu-hai-cua-ca-nuoc">1. Vựa lúa lớn thứ hai của cả nước</h3> <p>Nhờ có đất phù sa màu mỡ, nguồn nước dồi dào, người dân có nhiều kinh nghiệm trồng lúa nên đồng bằng Bắc Bộ đã trở thành vựa lúa lớn thứ hai của cả nước.</p> <p>Để có được những hạt gạo gọn ngon, người nông dân đã phải mất nhiều công sức trên đồng ruộng.</p><div class="google-auto-placed ap_container" style="width: 100%; height: auto; clear: both; text-align: center;"><ins data-ad-format="auto" class="adsbygoogle adsbygoogle-noablate" data-ad-client="ca-pub-8123786206223951" data-adsbygoogle-status="done" style="display: block; margin: auto; background-color: transparent; height: 0px;"><div id="aswift_5_host" tabindex="0" title="Advertisement" aria-label="Advertisement" style="border: none; height: 0px; width: 741px; margin: 0px; padding: 0px; position: relative; visibility: visible; background-color: transparent; display: inline-block; overflow: visible; opacity: 1;"><iframe id="aswift_5" name="aswift_5" style="left: 0px; position: absolute; top: 0px; border: 0px; width: 741px; height: 0px;" sandbox="allow-forms allow-popups allow-popups-to-escape-sandbox allow-same-origin allow-scripts allow-top-navigation-by-user-activation" width="741" height="0" frameborder="0" marginwidth="0" marginheight="0" vspace="0" hspace="0" allowtransparency="true" scrolling="no" src="https://googleads.g.doubleclick.net/pagead/ads?client=ca-pub-8123786206223951&amp;output=html&amp;h=280&amp;adk=2020488560&amp;adf=2496579566&amp;pi=t.aa~a.1694800419~i.5~rp.4&amp;w=741&amp;fwrn=4&amp;fwrnh=100&amp;lmt=1690920661&amp;num_ads=1&amp;rafmt=1&amp;armr=3&amp;sem=mc&amp;pwprc=7302649500&amp;ad_type=text_image&amp;format=741x280&amp;url=https%3A%2F%2Fsachgiaokhoa.online%2Fbai-13-hoat-dong-san-xuat-cua-nguoi-dan-o-dong-bang-bac-bo-879G2942.html&amp;fwr=0&amp;pra=3&amp;rh=186&amp;rw=741&amp;rpe=1&amp;resp_fmts=3&amp;wgl=1&amp;fa=27&amp;uach=WyJtYWNPUyIsIjEzLjAuMCIsIng4NiIsIiIsIjExNS4wLjU3OTAuMTE0IixbXSwwLG51bGwsIjY0IixbWyJOb3QvQSlCcmFuZCIsIjk5LjAuMC4wIl0sWyJHb29nbGUgQ2hyb21lIiwiMTE1LjAuNTc5MC4xMTQiXSxbIkNocm9taXVtIiwiMTE1LjAuNTc5MC4xMTQiXV0sMF0.&amp;dt=1690920661638&amp;bpp=2&amp;bdt=2058&amp;idt=-M&amp;shv=r20230731&amp;mjsv=m202307240101&amp;ptt=9&amp;saldr=aa&amp;abxe=1&amp;cookie=ID%3D94547395a8fa18af-22e89ad22ae300c0%3AT%3D1690912062%3ART%3D1690920562%3AS%3DALNI_MYNbCG599XmevrUPCYJ3Zv-Np5EvA&amp;gpic=UID%3D00000d3b2ce8a729%3AT%3D1690912062%3ART%3D1690920562%3AS%3DALNI_MaVlHrwAJeI0KGbMoTcFZDk5BwO2Q&amp;prev_fmts=0x0%2C741x280%2C741x280%2C1122x280&amp;nras=3&amp;correlator=13726276710&amp;frm=20&amp;pv=1&amp;ga_vid=975857199.1690920660&amp;ga_sid=1690920660&amp;ga_hid=2122350998&amp;ga_fc=0&amp;u_tz=420&amp;u_his=50&amp;u_h=1080&amp;u_w=1920&amp;u_ah=1055&amp;u_aw=1920&amp;u_cd=24&amp;u_sd=1&amp;dmc=8&amp;adx=394&amp;ady=991&amp;biw=1910&amp;bih=970&amp;scr_x=0&amp;scr_y=0&amp;eid=44759927%2C44759842%2C44759876%2C31076088%2C31076482%2C31076484%2C44788442%2C44798157%2C31076319&amp;oid=2&amp;pvsid=3105639301219764&amp;tmod=1582210283&amp;uas=0&amp;nvt=1&amp;fc=1408&amp;brdim=0%2C25%2C0%2C25%2C1920%2C25%2C1920%2C1055%2C1920%2C970&amp;vis=1&amp;rsz=%7C%7Cs%7C&amp;abl=NS&amp;fu=128&amp;bc=31&amp;ifi=6&amp;uci=a!6&amp;btvi=3&amp;fsb=1&amp;xpc=vrk4PmXXXq&amp;p=https%3A//sachgiaokhoa.online&amp;dtd=13" data-google-container-id="a!6" data-google-query-id="CKKJmKuivIADFdlBwgUdPkYIOQ" data-load-complete="true"></iframe></div></ins></div> <h4>- Quan sát các hình dưới đây, em hãy kể các công việc phải làm trong việc sản xuất lúa gạo.</h4><div class="google-auto-placed ap_container" style="width: 100%; height: auto; clear: both; text-align: center;"><ins data-ad-format="auto" class="adsbygoogle adsbygoogle-noablate" data-ad-client="ca-pub-8123786206223951" data-adsbygoogle-status="done" style="display: block; margin: auto; background-color: transparent; height: 0px;"><div id="aswift_6_host" tabindex="0" title="Advertisement" aria-label="Advertisement" style="border: none; height: 0px; width: 741px; margin: 0px; padding: 0px; position: relative; visibility: visible; background-color: transparent; display: inline-block; overflow: visible; opacity: 1;"><iframe id="aswift_6" name="aswift_6" style="left: 0px; position: absolute; top: 0px; border: 0px; width: 741px; height: 0px;" sandbox="allow-forms allow-popups allow-popups-to-escape-sandbox allow-same-origin allow-scripts allow-top-navigation-by-user-activation" width="741" height="0" frameborder="0" marginwidth="0" marginheight="0" vspace="0" hspace="0" allowtransparency="true" scrolling="no" src="https://googleads.g.doubleclick.net/pagead/ads?client=ca-pub-8123786206223951&amp;output=html&amp;h=280&amp;adk=2020488560&amp;adf=4280474192&amp;pi=t.aa~a.1694800419~i.7~rp.4&amp;w=741&amp;fwrn=4&amp;fwrnh=100&amp;lmt=1690920661&amp;num_ads=1&amp;rafmt=1&amp;armr=3&amp;sem=mc&amp;pwprc=7302649500&amp;ad_type=text_image&amp;format=741x280&amp;url=https%3A%2F%2Fsachgiaokhoa.online%2Fbai-13-hoat-dong-san-xuat-cua-nguoi-dan-o-dong-bang-bac-bo-879G2942.html&amp;fwr=0&amp;pra=3&amp;rh=186&amp;rw=741&amp;rpe=1&amp;resp_fmts=3&amp;wgl=1&amp;fa=27&amp;uach=WyJtYWNPUyIsIjEzLjAuMCIsIng4NiIsIiIsIjExNS4wLjU3OTAuMTE0IixbXSwwLG51bGwsIjY0IixbWyJOb3QvQSlCcmFuZCIsIjk5LjAuMC4wIl0sWyJHb29nbGUgQ2hyb21lIiwiMTE1LjAuNTc5MC4xMTQiXSxbIkNocm9taXVtIiwiMTE1LjAuNTc5MC4xMTQiXV0sMF0.&amp;dt=1690920661638&amp;bpp=1&amp;bdt=2058&amp;idt=1&amp;shv=r20230731&amp;mjsv=m202307240101&amp;ptt=9&amp;saldr=aa&amp;abxe=1&amp;cookie=ID%3D94547395a8fa18af-22e89ad22ae300c0%3AT%3D1690912062%3ART%3D1690920562%3AS%3DALNI_MYNbCG599XmevrUPCYJ3Zv-Np5EvA&amp;gpic=UID%3D00000d3b2ce8a729%3AT%3D1690912062%3ART%3D1690920562%3AS%3DALNI_MaVlHrwAJeI0KGbMoTcFZDk5BwO2Q&amp;prev_fmts=0x0%2C741x280%2C741x280%2C1122x280%2C741x280&amp;nras=4&amp;correlator=13726276710&amp;frm=20&amp;pv=1&amp;ga_vid=975857199.1690920660&amp;ga_sid=1690920660&amp;ga_hid=2122350998&amp;ga_fc=0&amp;u_tz=420&amp;u_his=50&amp;u_h=1080&amp;u_w=1920&amp;u_ah=1055&amp;u_aw=1920&amp;u_cd=24&amp;u_sd=1&amp;dmc=8&amp;adx=394&amp;ady=1324&amp;biw=1910&amp;bih=970&amp;scr_x=0&amp;scr_y=0&amp;eid=44759927%2C44759842%2C44759876%2C31076088%2C31076482%2C31076484%2C44788442%2C44798157%2C31076319&amp;oid=2&amp;pvsid=3105639301219764&amp;tmod=1582210283&amp;uas=0&amp;nvt=1&amp;fc=1408&amp;brdim=0%2C25%2C0%2C25%2C1920%2C25%2C1920%2C1055%2C1920%2C970&amp;vis=1&amp;rsz=%7C%7Cs%7C&amp;abl=NS&amp;fu=128&amp;bc=31&amp;ifi=7&amp;uci=a!7&amp;btvi=4&amp;fsb=1&amp;xpc=NTm1ekgdEG&amp;p=https%3A//sachgiaokhoa.online&amp;dtd=26" data-google-container-id="a!7" data-google-query-id="CPGgl6uivIADFWVFwgUdPeYLAw" data-load-complete="true"></iframe></div></ins></div> <p>Ngoài lúa gạo, người dân nơi đây còn trồng ngôi, khoai, cây ăn quả, nuôi gia súc, gia cầm, nuôi và đánh bắt cá, tôm. Đồng bằng Bắc Bộ là nơi nuôi lợn, gà, vịt vào loại nhiều nhất nước ta.</p> <p style="text-align: center;"><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/bai-13-hinh-1-1664092196.png.webp" width="500" height="338" alt="hinh-anh-bai-13-hoat-dong-san-xuat-cua-nguoi-dan-o-dong-bang-bac-bo-879-0" title="hinh-anh-bai-13-hoat-dong-san-xuat-cua-nguoi-dan-o-dong-bang-bac-bo-879-0" loading="lazy"></p><div> <div class="ads-horizontal-wrapped" style="height: auto !important; min-height: 0px !important;">
<span class="ads-title">Advertisement</span>
<script async="" src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-8123786206223951" crossorigin="anonymous" type="text/javascript" data-checked-head="true"></script>

<ins class="adsbygoogle" style="display: block; height: 0px;" data-ad-client="ca-pub-8123786206223951" data-ad-slot="2203391893" data-ad-format="auto" data-full-width-responsive="true" data-adsbygoogle-status="done"><div id="aswift_1_host" style="border: none; height: 0px; width: 741px; margin: 0px; padding: 0px; position: relative; visibility: visible; background-color: transparent; display: inline-block; overflow: visible; opacity: 1;" tabindex="0" title="Advertisement" aria-label="Advertisement"><iframe id="aswift_1" name="aswift_1" style="left: 0px; position: absolute; top: 0px; border: 0px; width: 741px; height: 0px;" sandbox="allow-forms allow-popups allow-popups-to-escape-sandbox allow-same-origin allow-scripts allow-top-navigation-by-user-activation" width="741" height="0" frameborder="0" marginwidth="0" marginheight="0" vspace="0" hspace="0" allowtransparency="true" scrolling="no" src="https://googleads.g.doubleclick.net/pagead/ads?client=ca-pub-8123786206223951&amp;output=html&amp;h=280&amp;slotname=2203391893&amp;adk=3553368404&amp;adf=2501886532&amp;pi=t.ma~as.2203391893&amp;w=741&amp;fwrn=4&amp;fwrnh=100&amp;lmt=1690920660&amp;rafmt=1&amp;format=741x280&amp;url=https%3A%2F%2Fsachgiaokhoa.online%2Fbai-13-hoat-dong-san-xuat-cua-nguoi-dan-o-dong-bang-bac-bo-879G2942.html&amp;fwr=0&amp;fwrattr=true&amp;rpe=1&amp;resp_fmts=3&amp;wgl=1&amp;uach=WyJtYWNPUyIsIjEzLjAuMCIsIng4NiIsIiIsIjExNS4wLjU3OTAuMTE0IixbXSwwLG51bGwsIjY0IixbWyJOb3QvQSlCcmFuZCIsIjk5LjAuMC4wIl0sWyJHb29nbGUgQ2hyb21lIiwiMTE1LjAuNTc5MC4xMTQiXSxbIkNocm9taXVtIiwiMTE1LjAuNTc5MC4xMTQiXV0sMF0.&amp;dt=1690920659884&amp;bpp=2&amp;bdt=304&amp;idt=333&amp;shv=r20230731&amp;mjsv=m202307240101&amp;ptt=9&amp;saldr=aa&amp;abxe=1&amp;cookie=ID%3D94547395a8fa18af-22e89ad22ae300c0%3AT%3D1690912062%3ART%3D1690920562%3AS%3DALNI_MYNbCG599XmevrUPCYJ3Zv-Np5EvA&amp;gpic=UID%3D00000d3b2ce8a729%3AT%3D1690912062%3ART%3D1690920562%3AS%3DALNI_MaVlHrwAJeI0KGbMoTcFZDk5BwO2Q&amp;prev_fmts=0x0&amp;nras=1&amp;correlator=13726276710&amp;frm=20&amp;pv=1&amp;ga_vid=975857199.1690920660&amp;ga_sid=1690920660&amp;ga_hid=2122350998&amp;ga_fc=0&amp;u_tz=420&amp;u_his=50&amp;u_h=1080&amp;u_w=1920&amp;u_ah=1055&amp;u_aw=1920&amp;u_cd=24&amp;u_sd=1&amp;dmc=8&amp;adx=394&amp;ady=1492&amp;biw=1910&amp;bih=970&amp;scr_x=0&amp;scr_y=0&amp;eid=44759927%2C44759842%2C44759876%2C31076088%2C31076482%2C31076484%2C44788442%2C44798157%2C31076319&amp;oid=2&amp;pvsid=3105639301219764&amp;tmod=1582210283&amp;uas=0&amp;nvt=1&amp;fc=1920&amp;brdim=0%2C25%2C0%2C25%2C1920%2C25%2C1920%2C1055%2C1920%2C970&amp;vis=1&amp;rsz=%7C%7CoeEbr%7C&amp;abl=CS&amp;pfx=0&amp;fu=128&amp;bc=31&amp;ifi=2&amp;uci=a!2&amp;btvi=1&amp;fsb=1&amp;xpc=Ccn22EQSjJ&amp;p=https%3A//sachgiaokhoa.online&amp;dtd=339" data-google-container-id="a!2" data-google-query-id="CMSKuqqivIADFZtAwgUd9WgJVQ" data-load-complete="true"></iframe></div></ins>
<script type="text/javascript">
            (adsbygoogle = window.adsbygoogle || []).push({});
        </script>
</div>
</div><strong>Hình 1.&nbsp;</strong>Làm đất<p></p> <p style="text-align: center;"><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/bai-13-hinh-2-1664092240.png.webp" width="500" height="321" alt="hinh-anh-bai-13-hoat-dong-san-xuat-cua-nguoi-dan-o-dong-bang-bac-bo-879-1" title="hinh-anh-bai-13-hoat-dong-san-xuat-cua-nguoi-dan-o-dong-bang-bac-bo-879-1" loading="lazy"><strong>Hình 2.&nbsp;</strong>Gieo mạ</p> <p style="text-align: center;"><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/bai-13-hinh-3-1664092259.png.webp" width="500" height="337" alt="hinh-anh-bai-13-hoat-dong-san-xuat-cua-nguoi-dan-o-dong-bang-bac-bo-879-2" title="hinh-anh-bai-13-hoat-dong-san-xuat-cua-nguoi-dan-o-dong-bang-bac-bo-879-2" loading="lazy"><strong>Hình 3.&nbsp;</strong>Khổ mạ</p> <p style="text-align: center;"><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/bai-13-hinh-4-1664092279.png.webp" width="500" height="333" alt="hinh-anh-bai-13-hoat-dong-san-xuat-cua-nguoi-dan-o-dong-bang-bac-bo-879-3" title="hinh-anh-bai-13-hoat-dong-san-xuat-cua-nguoi-dan-o-dong-bang-bac-bo-879-3" loading="lazy"><strong>Hình 4.&nbsp;</strong>Cấy lúa</p> <p style="text-align: center;"><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/bai-13-hinh-5-1664092450.png.webp" width="500" height="356" alt="hinh-anh-bai-13-hoat-dong-san-xuat-cua-nguoi-dan-o-dong-bang-bac-bo-879-4" title="hinh-anh-bai-13-hoat-dong-san-xuat-cua-nguoi-dan-o-dong-bang-bac-bo-879-4" loading="lazy"><strong>Hình 5.&nbsp;</strong>Chăm sóc lúa</p> <p style="text-align: center;"><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/bai-13-hinh-6-1664092300.png.webp" width="500" height="363" alt="hinh-anh-bai-13-hoat-dong-san-xuat-cua-nguoi-dan-o-dong-bang-bac-bo-879-5" title="hinh-anh-bai-13-hoat-dong-san-xuat-cua-nguoi-dan-o-dong-bang-bac-bo-879-5" loading="lazy"></p><div> <div class="ads-horizontal-wrapped" style="height: auto !important; min-height: 0px !important;">
<span class="ads-title">Advertisement</span>
<script async="" src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-8123786206223951" crossorigin="anonymous" type="text/javascript" data-checked-head="true"></script>

<ins class="adsbygoogle" style="display: block; height: 0px;" data-ad-client="ca-pub-8123786206223951" data-ad-slot="2203391893" data-ad-format="auto" data-full-width-responsive="true" data-adsbygoogle-status="done"><div id="aswift_2_host" style="border: none; height: 0px; width: 741px; margin: 0px; padding: 0px; position: relative; visibility: visible; background-color: transparent; display: inline-block; overflow: visible; opacity: 1;" tabindex="0" title="Advertisement" aria-label="Advertisement"><iframe id="aswift_2" name="aswift_2" style="left: 0px; position: absolute; top: 0px; border: 0px; width: 741px; height: 0px;" sandbox="allow-forms allow-popups allow-popups-to-escape-sandbox allow-same-origin allow-scripts allow-top-navigation-by-user-activation" width="741" height="0" frameborder="0" marginwidth="0" marginheight="0" vspace="0" hspace="0" allowtransparency="true" scrolling="no" src="https://googleads.g.doubleclick.net/pagead/ads?client=ca-pub-8123786206223951&amp;output=html&amp;h=280&amp;slotname=2203391893&amp;adk=3553368404&amp;adf=1477877864&amp;pi=t.ma~as.2203391893&amp;w=741&amp;fwrn=4&amp;fwrnh=100&amp;lmt=1690920660&amp;rafmt=1&amp;format=741x280&amp;url=https%3A%2F%2Fsachgiaokhoa.online%2Fbai-13-hoat-dong-san-xuat-cua-nguoi-dan-o-dong-bang-bac-bo-879G2942.html&amp;fwr=0&amp;fwrattr=true&amp;rpe=1&amp;resp_fmts=3&amp;wgl=1&amp;uach=WyJtYWNPUyIsIjEzLjAuMCIsIng4NiIsIiIsIjExNS4wLjU3OTAuMTE0IixbXSwwLG51bGwsIjY0IixbWyJOb3QvQSlCcmFuZCIsIjk5LjAuMC4wIl0sWyJHb29nbGUgQ2hyb21lIiwiMTE1LjAuNTc5MC4xMTQiXSxbIkNocm9taXVtIiwiMTE1LjAuNTc5MC4xMTQiXV0sMF0.&amp;dt=1690920659886&amp;bpp=2&amp;bdt=307&amp;idt=357&amp;shv=r20230731&amp;mjsv=m202307240101&amp;ptt=9&amp;saldr=aa&amp;abxe=1&amp;cookie=ID%3D94547395a8fa18af-22e89ad22ae300c0%3AT%3D1690912062%3ART%3D1690920562%3AS%3DALNI_MYNbCG599XmevrUPCYJ3Zv-Np5EvA&amp;gpic=UID%3D00000d3b2ce8a729%3AT%3D1690912062%3ART%3D1690920562%3AS%3DALNI_MaVlHrwAJeI0KGbMoTcFZDk5BwO2Q&amp;prev_fmts=0x0%2C741x280&amp;nras=1&amp;correlator=13726276710&amp;frm=20&amp;pv=1&amp;ga_vid=975857199.1690920660&amp;ga_sid=1690920660&amp;ga_hid=2122350998&amp;ga_fc=0&amp;u_tz=420&amp;u_his=50&amp;u_h=1080&amp;u_w=1920&amp;u_ah=1055&amp;u_aw=1920&amp;u_cd=24&amp;u_sd=1&amp;dmc=8&amp;adx=394&amp;ady=3755&amp;biw=1910&amp;bih=970&amp;scr_x=0&amp;scr_y=0&amp;eid=44759927%2C44759842%2C44759876%2C31076088%2C31076482%2C31076484%2C44788442%2C44798157%2C31076319&amp;oid=2&amp;pvsid=3105639301219764&amp;tmod=1582210283&amp;uas=0&amp;nvt=1&amp;fc=1920&amp;brdim=0%2C25%2C0%2C25%2C1920%2C25%2C1920%2C1055%2C1920%2C970&amp;vis=1&amp;rsz=%7C%7CoeEbr%7C&amp;abl=CS&amp;pfx=0&amp;fu=128&amp;bc=31&amp;ifi=3&amp;uci=a!3&amp;btvi=2&amp;fsb=1&amp;xpc=5SzRx2iSV8&amp;p=https%3A//sachgiaokhoa.online&amp;dtd=363" data-google-container-id="a!3" data-google-query-id="COTbu6qivIADFQgGvAodKb4HUg" data-load-complete="true"></iframe></div></ins>
<script type="text/javascript">
            (adsbygoogle = window.adsbygoogle || []).push({});
        </script>
</div>
</div><strong>Hình 6.&nbsp;</strong>Gặt lúa<p></p> <p style="text-align: center;"><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/bai-13-hinh-7-1664092326.png.webp" width="500" height="346" alt="hinh-anh-bai-13-hoat-dong-san-xuat-cua-nguoi-dan-o-dong-bang-bac-bo-879-6" title="hinh-anh-bai-13-hoat-dong-san-xuat-cua-nguoi-dan-o-dong-bang-bac-bo-879-6" loading="lazy"><strong>Hình 7.&nbsp;</strong>Tuốt lúa</p> <p style="text-align: center;"><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/bai-13-hinh-8-1664092348.png.webp" width="500" height="343" alt="hinh-anh-bai-13-hoat-dong-san-xuat-cua-nguoi-dan-o-dong-bang-bac-bo-879-7" title="hinh-anh-bai-13-hoat-dong-san-xuat-cua-nguoi-dan-o-dong-bang-bac-bo-879-7" loading="lazy"><strong>Hình 8.&nbsp;</strong>Phơi thóc</p> <h3 style="text-align: justify;" id="2-vugraveng-trong-nhieu-rau-xu-lanh">2. Vùng trồng nhiều rau xứ lạnh</h3> <p>Đồng bằng Bắc Bộ có mùa đông lạnh kéo dài từ 3 đến 4 tháng. Trong thời gian này, nhiệt độ giảm nhanh mỗi khi có đợt gió mùa đông bắc thổi về.</p> <h4>- Quan sát bảng số liệu dưới đây, em hãy cho biết Hà Nội có mấy tháng nhiệt độ trung bình dưới 20°C ? Đó là những tháng nào ?</h4> <table style="border-collapse: collapse; width: 100.039%; height: 76.7916px;" border="1"> <tbody> <tr style="height: 22.3958px;"> <td style="width: 13.1144%; height: 22.3958px; text-align: center;"><strong>Tháng&nbsp;</strong></td> <td style="width: 6.84736%; height: 22.3958px; text-align: center;">1</td> <td style="width: 6.15102%; height: 22.3958px; text-align: center;">2</td> <td style="width: 6.26708%; height: 22.3958px; text-align: center;">3</td> <td style="width: 6.03496%; height: 22.3958px; text-align: center;">4</td> <td style="width: 6.84736%; height: 22.3958px; text-align: center;">5</td> <td style="width: 7.42765%; height: 22.3958px; text-align: center;">6</td> <td style="width: 7.19553%; height: 22.3958px; text-align: center;">7</td> <td style="width: 6.38313%; height: 22.3958px; text-align: center;">8</td> <td style="width: 7.65976%; height: 22.3958px; text-align: center;">9</td> <td style="width: 9.1685%; height: 22.3958px; text-align: center;">10</td> <td style="width: 7.89187%; height: 22.3958px; text-align: center;">11</td> <td style="width: 9.05244%; text-align: center; height: 22.3958px;">12</td> </tr> <tr style="height: 54.3958px;"> <td style="width: 13.1144%; height: 54.3958px; text-align: center;"> <p><strong>Nhiệt độ (°C)</strong></p> </td> <td style="width: 6.84736%; height: 54.3958px; text-align: center;">17</td> <td style="width: 6.15102%; height: 54.3958px; text-align: center;">17</td> <td style="width: 6.26708%; height: 54.3958px; text-align: center;">20</td> <td style="width: 6.03496%; height: 54.3958px; text-align: center;">24</td> <td style="width: 6.84736%; height: 54.3958px; text-align: center;">27</td> <td style="width: 7.42765%; height: 54.3958px; text-align: center;">28</td> <td style="width: 7.19553%; height: 54.3958px; text-align: center;">29</td> <td style="width: 6.38313%; height: 54.3958px; text-align: center;">28</td> <td style="width: 7.65976%; height: 54.3958px; text-align: center;">27</td> <td style="width: 9.1685%; height: 54.3958px; text-align: center;">25</td> <td style="width: 7.89187%; height: 54.3958px; text-align: center;">21</td> <td style="width: 9.05244%; text-align: center; height: 54.3958px;">18</td> </tr> </tbody> </table> <p style="text-align: center;">Bảng số liệu về nhiệt độ trung bình tháng ở Hà Nội</p> <p style="text-align: justify;">Vào các tháng mùa đông, nhiệt độ hạ thấp tạo điều kiện thuận lợi cho việc trồng các loại rau xứ lạnh. Đồng bằng Bắc Bộ là vùng trồng nhiều rau xứ lạnh. Nhờ đó, nguồn thực phẩm của người dân thêm phong phú và mang lại giá trị kinh tế cao.</p> <h4 style="text-align: justify;">- Em hãy kể tên các loại rau xứ lạnh được trồng ở đồng bằng Bắc Bộ.</h4><div class="google-auto-placed ap_container" style="width: 100%; height: auto; clear: both; text-align: center;"><ins data-ad-format="auto" class="adsbygoogle adsbygoogle-noablate" data-ad-client="ca-pub-8123786206223951" data-adsbygoogle-status="done" style="display: block; margin: auto; background-color: transparent; height: 280px;"><div id="aswift_7_host" style="border: none; height: 280px; width: 741px; margin: 0px; padding: 0px; position: relative; visibility: visible; background-color: transparent; display: inline-block;"></div></ins></div> <p><strong>Nhờ có đất phù sa màu mỡ, nguồn nước dồi dào, người dân có nhiều kinh nghiệm trong sản xuất nên đồng bằng Bắc Bộ đã trở thành vựa lúa lớn thứ hai của cả nước. Đây cũng là vùng trồng nhiều rau xứ lạnh nuôi nhiều lợn và gia cầm.</strong></p> <h3 id="cacircu-hoi">Câu hỏi</h3> <h4>1. Kể tên một số cây trồng, vật nuôi chính của đồng bằng Bắc Bộ.</h4> <h4>2. Vì sao lúa gáo được trồng nhiều ở đồng bằng Bắc Bộ ?</h4> <h4>3. Em hãy nêu thứ tự các công việc trong quá trình sản xuất lúa gạo của người dân đồng bằng Bắc Bộ.</h4>