仁爱版八年级上unit2topic3知识点修改版

1、Un it 2 Topic 3一、重点短语1. hurry up快点，赶快 ;hurry to do sth 急忙做某事2. go ahead 尤指经某人允许开始，干下去，3. do more exercise 多锻炼4. do some cleaning 做扫除5. all the time 一直6. have to 客观原因不得不，必须；must主观必须7. keep away from 远离20. healthy food 健康食物8. Just a mome nt= Hold on, please. = Wait a mome nt, please. = Just a minu te,

2、 please.稍等一会儿9. hepl on eself 自救help on eself to 随便吃10. take care of = care for = look after 照顾11. take/ follow one advice 米取某人建议12.talk with sb 和-交谈；talk about 谈论关于-的事；talk to sb 对某人谈话13.enjoy on eself过得愉快14.Chinese medicine 中药15.si nee then从那时起16.on the other hand 另一方面17.on ones way to-_-在某人去-_-的路

3、上18. by mistake 错误地19.ask for leave 请假ask for two weeks leave 请两周的假21.crowded places拥挤的地方22. do/try ones best to do sth 尽力23.change clothes often 常换衣服24. wash hands often 常洗手25.ring sb up = call sb = phone sb =give sb a call/ phone = make a call 打 给某人26.leave a message 留口信27.take a message for sb/gi

4、ve sb a messagegive a message to sb 带口信28. call sb back 给回 29.take an active part in 积极参力口30. teach on eself on the In ternet 网上自学31.be afraid of sb/doing sth 害怕-,恐惧-be afraid +从句 害怕be afraid to do sth害怕做某事32 avoid doing sth防止做某事33.sayno to sth/sb/doi ng sth 对说不34. in groups 分组35. break out 战争 /灾难爆发

5、36.learn about 了解learn to do sth 学习做 learn - from sb/sth 从学到-37. on/over the phone 通过 38. teach on eself = learn- by on self 自学39.It onesduty to do sth. 做-是某人的职责on duty 值日，值班40. a kind of 一种all kinds of 各种各样二、重点句型1. Sure,go ahead当然可以，请问吧！ahead意思是向前，这里的 go ahead原意为向前走，在这里译作继续问问题，相当于 go on2. Please te

6、ll my father to take care of himself 请告诉我爸爸照顾好自己。take care of 照顾，照料。同义词：look after , care fortell sb to do sth ask sb to do sth注意：它们的否认式都在不定式to前加notwant sb to do sth get sb to do sth 表示让某人去做某时事3. Can I take a message?我 能为您梢个口信吗？take a message 捎口信 leave a message 留口信 give a message to给某人一个口信May/Can I

7、?征求意见 肯定答复：Certainly/Of course/Sure.Go ahead.否认答复：Sorry/No.Sb can /had better not/mustn 慎用4. Ill tell her when she comes back.她一回来我就告诉她。本句是由when引导的时间状语从句。当主句的动词用一般将来时时，从句一般用现在时。如：Hell phoneme when he arrives in Beijing .当他到北京时，他将回给我打 。5. ,he took an active part in the battle against it. 他积极投身于抗击 “非典

8、 的战斗中。against 与 -相对抗take part in = join in = be in 参加 ；参加到某种活动中take an active part in 积极参加，如：You should take an active part in the sports meet in your school. 你应该积极参加你们学校的运 动会。6. between 用于两者间， among 用于三者及三者以上。betweenand 在 和 之间7. Its my duty to save the patients. 救治病人是我的职责。itsto do 做某事是 在此句式中，“to do

9、- 是真正的主语，而 “it 是形式主语，类似的句式有：Its dangerous to climb the tree. 怕树很危险。8. 用语： Could I speak to? 或 Id like to speak to? 我能 /想和 通话，可以吗？某人不在： I m afraid he/she isn t in/at home/here.9. I taught myself on the Internet. 我在网上自学。1) on the Internet 在网络上。介词 on 用来表示在网上、电视上、收音机里、 里。如：2) on the phone， on the radio

10、， on tv3) each on eself 自学，近义词组为：lear n sth by on eself10. How often does Mr Brown exercise? 布朗先生多长时间锻炼一次？how often 对频率提问，答复用 once/twice/three timesa day/a week/ ；exercise 在这里为动词，意思是 “锻炼，运动 。三、语法学习1. 反身代词的形式 单数 复数第一人称 myself ourselves 、第二人称 yourself yourselves 是形容词性物主代词 +self/selves 第三人称 himself her

11、self themselves itself 是宾格 +self/selves2、反身代词的用法1) “ by反身代词表示 单独地，单独一人地。女口：The boy couldnt make the model plane by himself 那个男孩不能单独制作飞机模型。2) 反身代词做动词或介词的宾语。doby oneselfHe taught himself English when he was 12 years old.We must take good care of ourselves.3) 反身代词作名词或代词的同位语时，起加强语气的作用，可译为“亲自，本人 。如：You d better ask your teacher about it yourself. 你最好亲自去问你的老师。4) 反身代词常与一些动词连用。如：“ teach反身代词表示 自学；“ hurt反身代词表示 伤到自己。如：Jane teaches herself En glish.简自学英语。Lily fell down and hurt herself yesterday. 昨天莉莉自己摔伤