Unit 13 We're trying to save the earth! 第2课时 Section A（3a～3c）-【众相原创】2024-2025学年九年级全一册英语分层练同步课件(人教版 广西专版)

九年级 RJ 1 Unit 13 We're trying to save the earth! 第二课时 Section A（3a~3c） 一阶 基础过关 二阶 语篇提升 一阶 基础过关 二阶 语篇提升 2 第二课时 Section A（3a~3c） 一阶 基础过关 3 1.be harmful to be harmful to对……有害，相当于do harm to，反义短语为be good for， 意为“对……有好处”。如：It is harmful to your teeth if you eat too much sugar.如果你吃太多糖，会对你的牙齿有害。 4 2.at the top of at the top of在……顶部或顶端，反义短语为at the bottom of，意为 “在……底部或底端”。如：When I was at the top of the high mountain, I felt like I could reach out to touch the sky.当我在高山的顶端时，我感 觉我可以伸手触摸天空。 5 3.If their numbers drop too low, it will bring danger to all ocean life.如 果它们（鲨鱼）的数目降至过低，会给所有海洋的生物带来危险。 （P99 3a） 此处的numbers表达全球海洋中鲨鱼的总量。当表示数值的高或低时， number要用high或low修饰。如：If the number of lions drops too low， it will break the balance of nature. 如果狮子的数量下降得太低，它将打 破自然界的平衡。 6 4. so far so far到目前为止；迄今为止，同义短语为until now，up to now，常与现 在完成时连用。如：So far, new energy cars have been used by more and more people in our city. 到目前为止，新能源汽车在我们城市被越来 越多的人使用。 7 5. scientific scientific adj.科学上的；科学的。如：New scientific discoveries have made a great difference to the development of our society. 新的科学发现 对我们社会的发展产生了巨大的影响。 【拓展】science n. 科学 scientist n. 科学家 8 一、用所给词的适当形式填空。 1. Many believe that sharks can never be ___________（endanger） because they are the strongest in their food chain. 教材原句P99 3a 2. Our government has made _____（law） to stop driving after drinking. 3. Staying up late is ________（harm） to our health. We need enough sleep. endangered laws harmful 9 4. To solve this problem, we need to get more _________（science） knowledge. 5. Everyone is playing a part in _______（save） the earth, so we will have a better living environment. scientific saving 10 二、从方框中选择恰当的单词，并用其正确形式填空。 shark south fall cruel catch 1. 生态保护 It's ______ to cut off the shark fins, which leads to the death of the sharks. 2. 保护动物 We should prevent people from catching _______ for their fins. cruel sharks 11 3. David spent two hours fishing by the river, but he _______ nothing. 4. Kunming is a _________ city. You can go there in any season of the year. 5. The numbers of some kinds of sharks have ______ by over 90 percent in the last 20 to 30 years. 教材原句P99 3a caught southern fallen 12 三、单项选择。 1. There is no doubt that China's space ___ has developed fast in the past few years. C A. problem B. discussion C. industry 2. The tree will grow better if you ___ the unnecessary leaves. A A. cut off B. put down C. give away 13 3. So far the government ___ new schools and sent teachers to help in poor areas. B A. builds B. has built C. is building 4. It seems much harder to take in fresh air ___ high mountains. A A. at the top of B. in front of C. at the end of 5. Worrying about it won't solve anything. We must try our best ___ a way out. C A. find B. finding C. to find 14 第二课时 Section A（3a~3c） 二阶 语篇提升 15 一、阅读理解A。 主题：人与自然——保护环境 话题：零浪费 难度：★★ Lauren Singer has produced almost no waste in the past two years, proving（证明） that a rubbish-free lifestyle is possible. Lauren studied environmental science at NYU（New York University）. It was during her student years that she began working towards a “zero-waste” goal. 16 Today she has learned to make all of her own everyday eco-friendly products, such as toothpaste, shampoo（洗发水） and kitchen cleaner. She also set up her own company “The Simply Co.” to sell her home-made products. “I stopped buying packaged（包装过的） products and began bringing my own bags and jars（罐子） to fill with products at the supermarket,” she explained. “I stopped buying new clothes and shopped for only second-hand things.” 17 Lauren usually writes about her experiences of a zero-waste life on her blog. Lauren says that she now saves a lot of money because she is prepared when she goes shopping, and does not buy things that she won't use at all. Lauren says that the past two years was not easy, but her zero-waste life has been well worth the effort. The girl has become a role model to many people. She's giving talks in schools and colleges and also having more and more interviews about her zero-waste lifestyle on TV and the radio worldwide. 18 1.Lauren began working towards a “zero-waste” goal during her student years. ( ) T 2.The company “The Simply Co.” was set up to provide more job chances. ( ) F 3.Lauren usually writes about her experiences of a zero-waste life in a book. ( ) F 4.The zero-waste life in the past two years was not easy. ( ) T 5.Lauren gave talks and had interviews about her zero-waste lifestyle. ( ) T 19 二、阅读理解B。 主题：人与自然——环境保护 话题：绿色环保 难度：★★ We all have old things we don't want. What do you do with them? Let's see! 20 Kari, Sweden _________________________ Hi! Today, I'm at ReTuna, the world's first recycling shopping centre in Sweden! It looks nice and modern. You can buy almost everything except food there. However, they ONLY sell second-hand things. Now I am taking some old things here and then buy other things back home! 21 Jay, New Zealand __________________ Hello there! It's my school holiday now and I'm helping at a repair centre for technology. People bring their computers and printers （打印机） here. We clean and fix them and then give them to schools, libraries and hospitals. It's a great way to give an old thing a new life. 续表 22 Rosalie, America ____________________________ How much do you need to pay for a bike? 100 dollars? 50 dollars? Go to the Freecycle website and you will get it for free! When you visit the website, you may find something that people don't want. If you want the bike, for example, you can call the owner and he will give it to you! It sounds easy and it is! It helps save money and it helps the world. 续表 23 1. What can we buy at ReTuna?( ) B A. A new dress. B. A second-hand desk. C. Some fresh strawberries. 2. Why does Jay clean and fix the old machines?( ) C A. To have fun during the holiday. B. To give the machines to poor areas. C. To give the old things new lives. 24 3. How much do we need to pay for a bike on the Freecycle website?( ) C A. 100 dollars. B. 50 dollars. C. For free. 4. According to the text, what do people do with the old things?( ) A A. Sell or give the old things to others. B. Divide the old things and throw them away. C. Turn the old things into something else. 5. In which part of the newspaper can we probably read the text?( ) A A. Going Green. B. Working Fun. C. Learning Skills. 25 三、选词填空。（2023陕西改编） 主题：人与自然——环境保护 话题：如何解决列车的噪音问题 难度：★ be us easily from problem development get noisy high offer Nature is wonderful. It 1.___ our best teacher. It teaches us a lot and we are born to learn from it to solve 2._________. For example, scientists used what they saw in nature to improve our way of travelling. In days of high-speed train research and 3.____________, scientists were once faced with a noise problem. is problems development 26 The trains pushed air through tunnels（隧道） at 4._____ speeds. So when a train came out of a tunnel, it could be very, very 5.______. However, kingfisher birds（翠鸟） hardly make a sound when they get into lakes or rivers. Engineers 6.____ a clever idea. They changed the front of the trains to match the shape of the kingfisher bird. Then the air could 7.______ pass over the trains. The problem was solved! high noisy got easily 27 The kingfisher birds' example is just one that we learned 8.______ nature. Scientists study the smart models that nature can 9.______. Then they use their wisdom（智慧） and imagination to design new products. Nature provides 10.____ with endless possibilities to find wonderful ways to improve our lives. Learning from nature knows no bounds （永无止境）! from offer us 28 29 $$