（推荐）仁爱版九年级英语unit1topic2知识点-学生

1、 九年级英语上册Unit1 topic2知识点总结一、SectionA1. 现在完成时常常和以下副词连用：just刚刚(用在肯定句的中间)；already已经(用在肯定句的中间或者肯定句的末尾)；ever曾经(用在问句的中间)；never从不(用在否定句的中间，它本身表示否定)；yet仍然,还(用在问句或者否定句的末尾)。A: Have you _ been to Beijing? B: No, Ive _ been to Beijing, but Michael has. He has _ come back from Beijing. But he hasnt been to Kaixia

2、n _.A: Have you seen him _?B: Yes, I have seen him _.2. 不再_3. 走丢,迷路 _ 4. 打电话 _(代词只能放在它的中间)5. So do I. _so+be动词/情态动词/助动词+主语：也一样。neither/nor+be动词/情态动词/助动词+主语：也不。(1)-They can swim. -_ (我们也会) . (2)-They dont like swim. -_(他也不喜欢).6. 好像_ e.g. He seems to be ill.=It seems that he is ill1 / 67. 人口_(1)人口多用_，

3、人口少用_。(2)有的人口_。(3)对人口数量的提问_例如：中国的人口是多少？_？(4)某地整体人口是多少 (作单数)e.g.The population of this city is nearly 300 000. 强调具体成员, 某地的部分人口(作复数） e.g.80% of the population in China are farmers. 8. 至少_9. 最近一些年_10. 因为,由于_because和because of 的区别：11. 对某人严格_对某事严格_Section B 1. increase by 增加了。 increase to 增加到。2. develope

4、d country 发达国家developing country 发展中国家3. so it is. _ so+主语+be动词/情态动词/助动词：确实如此。(表示对上文情况的肯定,同意)4. 百_ 千_百万_ 十亿_ Section C1. 二分之一_ 五分之一_五分之二_ 十分之三_2. 许多困难_ 3. 短缺_ 4. 到目前为止_5. 采取措施做某事_6. 作为而出名 _ 7. 在方面有效_中国已经在控制人口方面有效_8. 有一段很长的路要走_9. 世界人口的百分之二十_Section D1. 少于_ 2. 高兴做某事_3. 除非。；如果。不。 _我不能回家，除非你帮助我。_4. 一些，几

5、个_ 5. 有悠久的历史_6. 赶上，跟上_二、书面表达:请根据提示写一篇题为The Population Problem的短文。（80词左右）提示: 1.人口问题是当今世界上最大的问题之一；2.中国是世界上人口最多的国家；3.如果人口增长过快，将会带来许多严重问题（请举例说明）；4.我们应继续执行计划生育政策，以控制人口增长。The Population ProblemThe population is one of the biggest problems in the world today. China has the largest population with 1.3 billi

6、on. Its about one fifth of the worlds population. A large population causes many difficulties, not only for every family, but also for the whole nation. It has become a serious problem. In many less developed areas, some parents prefer boys to girls. As a result, many girls cant go to school.I think we should do something to control the population. One answer is known as the one-child policy.