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40. have(no)chance/time to do sth. 有机会/时间做某事 41. used to do sth. 过去常常做某事 42. be used to do sth. 被用来做某事 43. be/get used to doing sth. 习惯做某事 44. work well in doing sth. 在...方面起到显著作用
【重点语法】
常用于现在完成时的时间状语：already, just , yet, ever, never, recently. e.g.
1. I have just called you.
2. ——Have you ever been to France?
——No, I’ve never been to any European countries. 3. ——Have you seen him yet? ——Yes, I have seen him already.
Topic3 The world has changed for the better.
【重点短语】
1. with the money 用这些钱 2. so that 为了，以致于 3. so...that... 如此...以致于...
4. in fact/as a matter of fact 事实上 5. come for a visit 来参观
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6. in need 在困难时 7. decide on sth. 决定某事
8. provide sth. for sb./provide sb. with sth. 为某人提供某物 9. feel good about... 对...有信心
10 lend sth. to sb/lend sb. sth. 把某物借给某人 11. borrow sth. from sb. 向某人借某物 12. at the same time 与此同时 13. talk on the phone 在电话中交谈 14. take drugs 吸毒 15. pay for 付款
16. buy sth. for sb. 给某人买某物 17. at home and abroad 在国内外 18. send sb. to sp. 送某人去某地 19. send for sb. 派人去请某人 20. aim to do sth. 目的是做某事
21. decide(not)to do sth. 决定（不）做某事 22. finish doing 结束做某事
23. How do you like.../What do you think of...? 你觉得...怎么样？
24. sb.spend st.in doing sth=It takes sb.st. to do sth. 某人花费...时间做某事 25. sb.spend some money on sth.=sb.pay some money for sth. 某人花费...钱买某物
26. so+be/助动词/情态动词+主语 表示后者情况与前者一样（表肯定）
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neither/nor+be/助动词/情态动词+主语 表示后者情况与前者一样（表否定） 27. so +主语+/be/助动词/情态动词 表示的确如此
【重点语法】
1. 现在完成时：常与for或since引导的时间状语连用,表示从过去某一时刻延续到现在。 e.g. You have been in New York for a long time.
The city has improved a lot since I came here a few years ago. 2. 构词法:
合成词: home +work= homework
派生词: use——useful, happy——unhappy
Unit2 Saving the Earth
Topic1 Population causes too many problems.
【重点短语】
1. chemical factory 化工厂 2. pour… into… 把……排放到…… 3. in a bad mood 处在不好的情绪中 4. manage to do sth. 设法去做某事
5. do harm to … / be harmful to… 对……有害 6. quite a few 相当多
7. no better than 同…….一样差 8. in pubic 公开地
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9. all sorts of 各种各样的 10.in many ways 在许多方面
【重点句型】
1. Look, there are several chemical factories pouring waste water into the streams.
看，有几家化工厂正往河里排放废水。
2. Everything has changed.一切已发生了变化。
3. How long have you been like this? 你像这样多长时间了?
4. I’m always in a bad mood because I can’t stand the environment here. 我的情绪总是很差因为我受不了这里的环境。
5. However, not all people know that noise is also a kind of pollution and is harmful to humans’health.
然而，并非所有的人都知道噪音也是一种污染，而且有害于人类健康。
【重点语法】
直接引语和间接引语
1. Granny said, “I’m feeling even worse.” Granny said that she was feeling even worse.
2. “ Do you still want to live here, Granny?” the journalist asked. The journalist asked Granny if she still wanted to live there.
3. “ How is the environment around this place?” the journalist asked. The journalist asked how the environment around that place was.
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Topic2 All these problems are very serious.
【重点短语】 1. as a result 结果 2. here and there 到处 3. in the beginning 一开始 4. in danger 处于危险中 5. cut down 砍倒
6. change sth. into sth. 把……变成…… 7. prevent from 防止 8. greenhouse effect 温室效应 9. refer to 提到 10. deal with 处理 12. cut off 中断
【重点句型】
1. As we know, none of us likes pollution. 众所周知，没有人喜欢污染。
2. Humans have come to realize the important of protecting animals. 人类逐渐意识到保护动物的重要性。
3. Trees can also stop the wind blowing the earth away. 树木也能防风固土。 4. Cutting down trees is harmful to human beings, animals and plants. 砍伐树木对人类、动植物都有害。
5. Some things we’ve done are very good for earth while some are not good. 我们所做的，有些对地球很好，而有些不利。
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