Unit 13 We're trying t save the earth 3a-Self Chelk)词汇拓展+新编巧练+走进中考

中小学教育资源及组卷应用平台 Unit 13 We’re trying to save the earth . Period 6 Section B (3a-Self Check) I.词汇拓展 用括号中单词的适当形式完成句子 In the village , _____(fisherman ) in the past are factory workers now . Can you tell me the _____(advantage ) and _____(advantage) of using shopping bags instead of plastic ones There are many _____(wood ) benches in the park . It’s really convenient for the visitors to sit when they are tired . Polluted water is very _____(harm) and we can’t drink it . He is doing a _____(science ) study in a university . Some of the waste is _____(reuse ) , so don’t throw it away . Don’t keep on talking . We should take _____(act) now . Amy is considered an _____(inspire ) to us young students. I have read all the _____(work ) of the great writer. Teachers like students with _____(create) . II. 新编巧练 选择适当的词并用其正确形式完成短文。 make a difference to , ugly , instead of , advantage , littler , cost , wood , throw , pollute , cut down There is more and more 1. _____ in our world . A lot of trees are 2. _____ by people . They can protect our air and they are many animals’ homes . The air is polluted because there are too many cars on the road . The factories that burn coal also let out the air with a lot of black smoke . So we should walk or take the bus 3. _____ driving the car . And we can ride our bikes. There are some 4. _____ of bike riding .It is good for health and it doesn’t 5. _____ anything . There is too much 6. _____ and waste in public places . This is turning beautiful places into 7. _____ ones . I think we should bring some cloth bags when we go shopping . We shouldn’t use 8. _____ chopsticks when we buy take-away food . And remember 9. _____ rubbish in the bins and keep public places clean and beautiful . Our action can 10. _____the environment and lead us to a better future ! III. 走进中考 一、完形填空 “Most polar (北极）bears could disappear by end of the century because of global (全球) warming ,” scientists say . According to a study in Nature Climate (气候）Change , the number of most polar bears will 1. _____ rapidly by 2080. There are two reasons . One is that the sea ice is melting (融化）. Polar bears catch seals (海豹）to eat on the ice . 2. _____ ice , they have to stay on land . But there is no 3. _____ food on land to support so many bears . The animals could die from hunger . The other reason is that mother bears may not be fat enough to 4. _____ milk for their babies , so some bears could stop having babies . Polar bears are 5. _____ land animals that eat meat on the planet . They help control other kinds of animals . Losing them would break the balance of their living place. The Arctic (北冰洋）is 6. _____ to about 25,000 polar bears . Arctic sea ice usually melts in spring and summer , then grows in winter . But now , we 7. _____ is taking longer to grow back . Scientists say the Arctic is warming twice as fast as the rest of the planets. The study also shows 8. ___ ... ...