本文摘要：Unit2Topic1 Pollution has caused too many problems.重点短语：1. see sb. doing sth.瞥见某人正在做某事see sb. do sth.瞥见某人做过某事或经常做某事2. there is/are sb./sth. doing sth.有某人/物正在做某事3. pour …into…把……倒入……4. what’s worse更糟糕的是5. make noise制造噪音6. be in a bad mood心情差7. can’t bear doing sth.不能忍受做某事8. breathing problems呼吸问题9. throw …around/about随处乱扔……10. in today’s world在当今世界11. be harmful to=do harm to对……有害12. go deaf变聋13. lose one’s hearing丧失听力14. hearing loss听力丧失15. quite a few=many许多quite a little= much许多16. it was reported that…据报道17. no better than不比……好，和……一样差18. cause sb./sth.to do sth.导致某人/某物做某事19. as well也20. cut down砍伐，降低，淘汰词形转换：1.breathe v.呼吸breath n.一次吸入的空气2.produce v.生产，制造production n.生产，制造，产物3.pollute v.污染pollution n.污染4.harm v./n.危害harmful adj.有害的5.comfort v./n.慰藉，抚慰comfortable adj.舒适的uncomfortable adj.使人不舒服的6.please v.使……兴奋pleased adj.兴奋的，喜欢的pleasant adj.令人愉快的，舒适的unpleasant adj.令人不快的，不舒服的pleasure n.快乐，兴趣，乐事7.include v.包罗including prep.包罗……在内的8.chemistry n.化学，化学历程chemical n.[C]化学品adj.化学的重点句型：1.What a mess!

Unit2Topic1 Pollution has caused too many problems.重点短语：1. see sb. doing sth.瞥见某人正在做某事see sb. do sth.瞥见某人做过某事或经常做某事2. there is/are sb./sth. doing sth.有某人/物正在做某事3. pour …into…把……倒入……4. what’s worse更糟糕的是5. make noise制造噪音6. be in a bad mood心情差7. can’t bear doing sth.不能忍受做某事8. breathing problems呼吸问题9. throw …around/about随处乱扔……10. in today’s world在当今世界11. be harmful to=do harm to对……有害12. go deaf变聋13. lose one’s hearing丧失听力14. hearing loss听力丧失15. quite a few=many许多quite a little= much许多16. it was reported that…据报道17. no better than不比……好，和……一样差18. cause sb./sth.to do sth.导致某人/某物做某事19. as well也20. cut down砍伐，降低，淘汰词形转换：1.breathe v.呼吸breath n.一次吸入的空气2.produce v.生产，制造production n.生产，制造，产物3.pollute v.污染pollution n.污染4.harm v./n.危害harmful adj.有害的5.comfort v./n.慰藉，抚慰comfortable adj.舒适的uncomfortable adj.使人不舒服的6.please v.使……兴奋pleased adj.兴奋的，喜欢的pleasant adj.令人愉快的，舒适的unpleasant adj.令人不快的，不舒服的pleasure n.快乐，兴趣，乐事7.include v.包罗including prep.包罗……在内的8.chemistry n.化学，化学历程chemical n.[C]化学品adj.化学的重点句型：1.What a mess!真是糟糕透了!2.What happened here?这儿发生了什么？3.The flowers and grass have gone!花和草已经不见了！4.What a shame!何等遗憾呀！5.There are several chemical factories pouring waste water into the stream.有几个化工厂正向河里排放废水。6.Everything has changed.一切已经变了。7.--How long have you been like this?--I have been like this since last week.--你像这样多久了？--自从上周已经这样。

8.Have you seen a doctor?你看医生了吗？9.Noise is also a kind of pollution and is harmful to human’s health.噪音也是一种污染而且对人类康健有害。10. Quite a few people living near airports also have hearing loss.许多居住在机场四周的人也有听力损失。

(living near airports现在分词做people后置定语)Topic2 All these problems are very serious.重点短语：1.as a result效果2.change into酿成，转换成3.stop/prevent sb./sth. (from) doing sth.keep sb./sth. from doing sth.阻止某人/某物做某事4.be in danger of…处于……的危险中5.die out灭绝6.plenty of大量的7.come to understand开始明白8.worst of all最糟糕的是9.make rules制定规则10.break the rules违反规则11.obey/follow the rules遵守规则12.in the beginning= at first期初，在一开始13.take away带走，拿走，使消失14.escape…from…从……中逃脱15.cause sb./sth.to do sth.导致某人/某物做某事16.refer to提到，涉及，有关17.here and there在各处，随处18.the greenhouse effect温室效应18.be covered with被……笼罩19.be short of短缺20.the shortage of………的短缺21.avoid doing sth.制止做某事词形转换：1.complete v.完成,竣事adj.完整的completely adv.彻底地，完整地2.use v.使用n.用途useful adj.有用的user n.使用者reuse v.。

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