仁爱版九年级英语Unit2Topic1知识点修改版.doc

Unit2 Topic1 知识点一、短语1天哪 my goodness 2不见了 have/ has gone3有某人/某物正在做某事 there be sb/sth doing sth 有要做 there beto d4把到入里 pourinto 5废水 waste water6对有害 be harmful to / do harm to / be bad for 对有益 be good for7心情好 in a good mood / in high spirits 心情坏 in a bad mood / in low spirits8制造噪音 make a noise 9容忍 stand +名词/代词/doing10并非所有 not all 并非每个 not every 并非两个都 not both11许多,相当多 quite a few + 可数名词复数 quite a little+不可数名 几个 a few 一点点 a little 几乎没有 few / little12听力丧失 hearing loss 丧失听力 lose ones hearing13变聋 go deaf 14据报道 Its reported that +从句 据说 Its said +从句 众所周知 Its well known +从句15. 不比好，和几乎一样坏 no better than = as weak/bad/badly as 16 在许多方面 in many ways 17. 各种各样 kinds of = sorts of 18. 在许多方面 in many ways 19. 闻起来糟糕 smell terrible20. 去野餐 have a picnic 21. 呼吸问题 breathing problem 22. 让某人做某事 make sb do sth 让某人保持某种状态 make sb + adj. 让某人成为 make sb + n. 23. 太多噪音 too much noise 24. 在公共场合 in public 太多问题 too many problems 25. 高血压 high blood pressure 26. 也 as well27. 化学工厂 chemical factory 28. 眼痛 sore eyes29. 污染问题 pollution problem 空气污染 air pollution 土壤污染 soil pollution 水污染 water pollution 光污染 light pollution 噪音污染 noise pollution 30. 随着人口的增长 with the increase of population 随着的发展 with the development of 在的帮助下 with the help of/ with ones help表示伴随状态，其反义词是 without二、 重点句型。 1. It is difficult for me to breathe. 对我来说很难呼吸。 2. -How long have you been like this? 你处于这样的状态多久了？ -I have been like this since last month. 自从上个月以来我一直这样。 3. It is a beautiful place with flowers and grass. 那是个有花、有草的美丽的地方。 4. All the flowers, grass and fish have gone! 所有的花、草和鱼儿都没有了！ 5. It smells terrible. 难闻极了。 6. There are several chemical factories pouring waste water into the river.有几座工厂正往河 里排放污水。 7. Noise is a kind of pollution and it is harmful to our ears. 噪音是一种污染，对我们的耳朵有害。 8. Recently, it is reported that many teenagers in America can hear no better than 65-year-old people do. 近年来，据报道许多青少年的听力和65岁的老年人一样糟糕。3、 重点语法（一）部分否定和全否定 not all 此结构为部分否定，意为“不是所有的”。如： Not all of the people are interested in English. 并非所有的人都对英语感兴趣。 Not everybody likes watching TV. 并非人人都爱看电视。当not与all，every以及every的派生词连用时，表示部分否定。如：every student， everyone等。而neither，none，nothing，nobody，no one等，用来表示全部否定。 如：Neither of the students likes music.这两个学生都不喜欢音乐。I think nothing is difficult for me.我认为对我来说一切都不难（二）直接引语改为间接引语1.引导词: that (直接引语是陈述句) If/ whether(直接引语是一般疑问句) 疑问词(直接引语是特殊疑问句)2.语序: 陈述语序 (主语+谓语)3.时态:当主句是一般现在时,间接引语的时态不变 当主句是过去时, 间接引语的要用与过去相关的时态.具体变化如下： 一般现在时-一般过去时 现在进行时-过去进行时(was/ were + doing) 现在完成时-过去完成时(had + 过去分词) 一般过去时-过去完成时 一般将来时will-过去将来时would Can- could may-might shall-should 当直接引语是客观真理则用一般现在时,不受主句时态的影响.4. 指示代词的变化 this-that these-those5. 时间状语的变化 today-that day this morning -that morning tonight-that nightnow-then yesterday-the day before last year-the year before the day before yesterday - two days ago ago-before tomorrow-the next day next week-the next week6. 地点状语的变化 here-there7.人称的变化：一随主，二随宾，三不变8. 引述动词： 直接引语为陈述句， 改为间接引语时引述动词常用say , tell等。 直接引语为疑问句， 改为间接引语时引述动词常用ask , wonder等。9. 如果直接引语是祈使句,变为间接引语时多用 Ask sb. (