21. how to swim ：怎样游泳
不定式与疑问词连用：动词不定式可以和what, which, how, where, when 等引导的疑问句连用，构成不定式短语。如：
The question is when to start. 问题是什么时候开始。
I don't know where to go. 我不知道去哪。
22. make sb./ sth. + 形容词make you happy
make sb./ sth. + 动词原形make him laugh
23. move to +地方：搬到某地如：I moved to Beijing last year.
24. it seems that +从句看起来好像…… （重要考点）如：
It seems that he has changed a lot. 看起来他好像变了许多。
25. help sb. with sth. 在某方面帮助某人（注意介词with，在某方面帮助要用这个介词）
help sb. （to ）do sth. 帮某人做某事（to经常省略）
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She helped me with English. 她帮助我学英语。
She helped me （to）study English. 她帮助我学习英语。
26. fifteen-year-old :作形容词,15岁的。（有一点要提醒大家，中间的year 用的是单数）
fifteen years old 指年龄，15岁。如：
a fifteen-year-old boy 一个15岁的男孩
27. can't afford to do sth. 支付不起……
can't afford sth. 支付不起…
如：I can't afford to buy the car.
I can't afford the car. 我买不起这个辆小车。
28. as + 形容词/副词+ as sb+could/can 尽某人的…能力如：
Zhou run as fast as her could/can. 她尽她最快的能力去跑。
29. get into trouble with 遇到麻烦
30. in the end 最后
31. make a decision ：下决定，下决心
32. to one's surprise ：令某人惊讶（往往出现在完型中，让我们填surprise）如to their surprise 令他们惊讶to LiLei's surprise 令李雷惊讶
33. take pride in sth. 以…而自豪如：
His father always take pride in him. 他的爸爸总是以他而自豪
34. pay attention to sth. 对…注意，留心如：
You must pay attention to your friend. 你应该多注意你的朋友。
35. be able to do sth. 能做某事如：
She is able to do it. 她能够做到。
36. give up doing sth. 放弃做某事（注意up后面用的是动词的什么形式）如：
My father has given up smoking. 我爸爸已经放弃吸烟了。
37.不再①no more =no longer 如：
I play tennis no more.我不再打网球。
②not …any more = not …any longer 如：
I don't play tennis any longer. 我不再打网球。
38. go to sleep 入睡
九年级英语Unit5《What are the shirts made of?》知识点
【短语归纳】
1. be made of 由……制造
2. be made in 在……制造
3. environmental protection 环境保护
4. be famous for 以……而著名
5. be produced in 在……生产
6. be known for 以……闻名
7. as far as I know 据我所知
8. pick by hand 手工采摘
9. send for 发送
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10. avoid doing sth 避免做某事
11. everyday things 日用品
【重点句子】
1. What are the shirts made of? 衬衫是由什么制成的？
2. It was made in Thailand. 它是在泰国制造的。
3. No matter what you made buy,you might think those products were made in those countries.
无论你买什么，你会认为那些产品是在那些国家制造的。
4. The international kite festival is held in April every year. 国际风筝节是在每年的四月举行。
5. Laura didn’t know that kite flying could be so exciting. 劳拉不知道放飞风筝可能会如此令人兴奋。
【单元知识点】
1. made of 由……制（构）成，后接构成某物质的原料。
例：This skirt is made of silk.这件裙子是用丝绸制成的。
be made of/from/up of的区别
（1）be made of 表示制成成品后，仍可看出原材料是什么保留原材料的质和形状，制作过程仅发生物理变化。
例：The kite is made of paper．风筝是用纸做的。
（2）be made from 表示制成的东西完全失去了原材料的外形或特征，或原材料在制作过程中发生化学变化，在成品中已无法辨认。
例：The paper is made from wood．纸是木头做的。
Butter is made from milk．黄油是从牛奶中提炼出来的。
（3）be made up of 用……构成或组成的，指人、物皆可，指结构成分。
例：Our class is made up of six groups. 我们班是由六个小组组成的。
2. It seems that many people all over the world drink Chinese tea.
好像全世界的许多人都在喝中国茶。
句型“It seems that…”意为“看起来好像/似乎……”，其中seem是连系动词，意为“似乎；好像”，句型中的it是形式主语，不能用其他代词来替代。
例：It seems that he was late for the train. 看来他没赶上火车。
seem的几种常见结构：
（1）seem to do sth此句型可与“It seems that…”转换。
例：They seem to find the way to the cinema. =It seems that they find the way to the cinema.
他们似乎找到了去电影院的路了。
（2）seem+形容词
例：My temperature seems (to be) all right. 我的体温看上去正常了。
（3）seem+名词
例：That seems not a bad idea. 看上去主意不错。
3. When the leaves are ready, they are picked by hand and then are sent for processing in factory.
当茶叶成熟时，就被用手工采摘然后送到工厂加工。
此句是由when 引导的时间状语从句，are picked, are sent都是一般现在时的被动结构。
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例：When the fruit are ready, they are picked and are sent to the mark for sale.
当这些水果成熟后就被摘下来并送到市场上卖掉。
4. No matter what you may buy, you might think those products were made in those countries.
无论你买什么，你都可能认为那些产品是在那些国家生产的。
