u1-t3 仁爱九年级英语重点短语、句子汇总及语法精粹

Unit 1 The Changing World

Topic 3 The world has changed for the better

Ⅰ. 重点短语（词组）

注：带“*”为拓展。

Ⅱ.单词解析

flood：⑴ 名词：洪水。 e.g. The rain has caused floods in many parts of the country. ⑵ 动词：（被）淹没。 e.g. The river flooded the field.

Ⅲ. 重点句子(型)

1. have/has been in + for + 一段时间/since + 时间点（从句）；have/has been to + 次数

2. How do you like (doing) sth. ? = What do you think of (doing) sth. ?你认为做……怎么样？ 3. You have been in New York for a long time. 你在纽约有很长时间了。

4. You will get used to it very soon if you come. 如果你来(这里)，你将会很快习惯的。

5. The city has improved a lot since I came here a few years ago. 自从我几年来到这，这座城市就已经改善了不少。 6. As a matter of fact，it's a wonderful place to live. 事实上，这是个居住的好地方。

7. You can go to plays，concerts and operas every day if you like.

如果你喜欢，你可以去看表演，去听音乐会或去听歌 剧。 8. You must come for a visit. 你一定要来参观。

9. Then you can see New Work (for) yourself. 然后你可以亲自看一看纽约。

10. When did the flood happen in her hometown? 她家乡什么时候发生洪水？

11. What are you reading? 你在看什么(书)？ 11. How do they manage (to do) it? 他们是如何实施(做到)的？ 12. Well，once they find people in need，they decide on suitable ways to help them. 是的，一旦他们发现有人需要帮助，就选定适当的方式去帮助他们。

【链接】once 是连词，意为“一旦……就……”。引导时间状语从句。它的用法与if引导的条件状语从句一样，从句用一般现在时表将来时。

13. The program also provides them with nice houses. It trains them so that/ in order that they can find jobs again. 该组织还给他们提供舒适的住处，并且培训他们，以便他们能再次找到工作。

14. I think it is important for these people to feel good about themselves. 我认为对于这些人来说，他们的自信心很重要。 15. The world has changed for the better. 世界已向好的方向发展。

16. He has been away from the army for seven years because of a leg wound. 因为腿伤，他已经离开部队七年了。 17. It is famous for its success in helping homeless people return to a normal life. 它很有名是因为它成功地帮助了无家可归的人重新过上正常的生活。

18. At the same time，the kids are learning restaurant skills. 与此同时，这些孩子们还学习餐馆技巧。 19. It aims to bring schools into poor areas of China. 它致力于把学校教育带到中国的贫困地区。

20. In the past/last sixteen years，Project Hope has raised about 3 billion yuan from people at home and abroad. 在过去的十六年里，“希望工程”已经从国内外筹集了大约30亿元资金。【 21. With the money，it has built thousands of schools and libraries and trained 2 300 teachers. 利用这些钱，它建造了成千个学校和图书馆，并培训出2300名教师。

22. The passage's main purpose is to describe a picture. 这篇文章的主要意图是描述一张照片。

Ⅳ. 语法精粹

1、（1）现在完成时（Ⅲ）：for +时间段；since +时间点。 e.g. I have lived in Beijing for three years/since three years ago.

Bobby has been away from the park since 8'olock/for two hours.

◆ 非延续性动词与延续性动词的转换：leave →be away from；buy →have；finish →be over； die →be dead；begin/start →be on；come →be here、in/at；go →be there；borrow →keep； close →be closed； get to know →know；join →be a member of / be in；fall ill →be ill；

catch a cold →have a cold；return/come back →be back；go to bed →be in bed；go out →be out； fall asleep →be asleep；get up →be up；open(v.) →be open(adj.)； make friends →be friends； get to/arrive in (at) →be in/(at)；begin to do →done （2）since 的四种用法

⑴ since + 过去某时间点（指具体的年、月、日、时、星期几等）

如：He has been here since 1999. 他从1999⑵ since + 一段时间 + ago，表示自……时间前开始至今。如：

He has been here since five years ago. ⑶ since + 一般过去时从句。 如：

Many things have changed since you left. 自从你离开以来，许多事情发生了变化。 ⑷ It is/has been + 一段时间 + since + (since 引导的)从句。 如： It is two years since I came here. 我来这儿2年了。 2、常见的构词法。