仁爱版八年级上册英语Unit-2-Topic-3知识点梳理.doc

1、Unit 2 Keeping healthyTopic 3 Must we do exercise to prevent the flu?Section A 1.hurry up=be quick=come on赶快 e.g.Please hurry up.There is no time left.in a hurry急忙地 e.g.He left in a hurry. 【例1】_, or you will miss the early train. A.Go ahead B.Hurry up C.Take it easy D.Be careful 2.talk withto sb.abo

2、utof sth.与某人谈论某事 【例2】were you at school at 8：00 this morning? Yes.I_ my teacher at that time. A.talked about B.talked with C.was talking with 3.go ahead=go on e.g.May I ask you some questions，sir? Sure，go ahead.【例3】Excuse me，may I use your eraser，please? Sure, _ A.Watch out! B.Well done! C.Go ahead.

3、 D.Follow me. 4.betweenamong between一般指“两者之间”，其词组是betweenand。among指“三者或三者以上之间”但指“三者或三者以上的人或物中每两者之间”时，仍用between。 【例4】Guess，how much does it cost?I think it costs_ 15 and 20 dollars. A.from B.between C.among D.with【考点链接】amongbetween (1)There is a village_ the two rivers. (2)The teacher is sitting_ the

4、 children.【分析比较】 among指三者或三者以上之间。(2)题意为“老师坐在孩子们中间。”孩子们是指三者以上，故填among。 between一般指两者之间。(1)题意为“两条河之间有个村庄。”故填between。 5.表达步骤要用first，second，third，finally。 6.take ones advice采纳的意见。这里advice是不可数名词。 【例5】What_ do you have for Paul? I think he should study harder than before. A.news B.advice C.help D.informati

5、on7.Must I do sth.? Yes, you must.No, you needntdont have to. 【例6】Must I return the book tomorrow morning? No, you_. You_keep it for three days. A.mustnt；may B.musnt；must C.neednt；can D.neednt；must 8.keep away from sth.doing sth.远离远离做某事 【例7】Medicine is dangerous for children，so it should be kept awa

6、y_ them. A.by B.to C.fromSection B 1.just a moment，please接电话时的用语，“请稍等”，相当于hold on，please. 2.CouldMay I这是表示征求许可的句型。e.g.Could I sit here with you?【例8】could I use your dictionary? Yes, you _. A.can B.could C.need D.should 3.be busy doing sth.with sth.忙于做某事【例9】What did you do last night?I was busy_(make

7、)a model plane. 【例10】I was busy_ my uncle on the farm this time last Sunday. A.to help B.helped C.helping D.help 4.examine a patient=check over a patient为病人作检查examine“检查，审查，考核”，名词是examination。 5.ringcall sb.up.=give sb.a call=call sb.=phone sb.给打电话 【例11】Your friend Jimmy_ last night，but you were not

8、 at home. A.called up you B.call you up C.ring up you D.rang you up 6.leave a message to sb.给某人留口信give the message to sb.给某人带口信take a message for sb.帮某人带口信 【例12】Hello，may I speak to Mrs.Read, please?Sorry, she isnt here at the moment. _ A.Can I take a message? B.Can I leave a message? C.Hold on, ple

9、ase. 7.tell sb.sth.about sth.告诉某人某事tell sb.(not)to do sth.告诉某人(不要)做某事 【例13】Before going to the History Museum, our teacher told us_ the public rules. A.obey B.to obey C.obeying D.obeyedSection C 1.give a talk(about sth.)作(关于某事的)报告 e.g.My mother will give a talk about learning to us. 2.fast food快餐 on

10、 the other hand另一方面 3.掌握一些由un构成的反义词。 happyunhappy healthyunhealthy friendlyunfriendly 【例14】If you eat too much fast food，you will be(health).4.avoid doing sth.避免做某事e.g.We should be careful and avoid hurting ourselves. 【例15】To avoid_(make)more mistakes，he does his homework more carefully. 5.Say no to

11、 sb.sth.拒绝某人或某物 6.掌握一些由动词加后缀ful变成的形容词。 helphelpful carecareful useuseful wonderwonderful 【例16】The dictionary is very_(help)to a student. 【例17】Be_, or you will miss the right answer. A.carefully B.careless C.careful D.carelessly7.remember to do sth.记得要做某事(指这件事情还没做)remember doing sth.记得做过某事(指做过了) 【例18

12、】Do you still remember_ me somewhere in Shanghai?Yes，of course.Two years ago. A.to see B.see C.seeing D.saw 8.反身代词 (1)“by+反身代词”表示“单独地，独自一人地”。e.g.learn sth.by oneself (2)常与一些动词搭配形成不同的意思。teach oneself自学 hurt oneself伤到自己 enjoy oneself玩得愉快 help oneself to sth随便吃 (3)作名词或代词的同位语时表示“亲自，本人”。e.g.You，d better

13、ask the teacher about it yourself. 【例19】Kate，Im going on business.Please look after_ . Dont worry，Mom.I will. A.herself B.myself C.yourself 【例20】Our teacher wouldnt give us the answer to the questions directly. Why not work them out all by_. A.themselves B.himself C.ourselves D.myselfSection D 1.bre

14、ak out爆发(战争，疾病等)。 2.have to表示“必须，不得不”，强调客观需要。must也指“必须”，但强调主观看法。have to可用于各种时态，而must仅用于一般现在时。 【例21】Yesterday it rained heaving when school was over. We_ stay in our classroom. A.should B.must C.had to D.have to 3.learnby oneself=teach oneself自学 【例22】She often learns English by herself in her spare t

15、ime.(同意句改写) She often _ _English in her spare time. 4.take an active part in积极参加 5.the battle against抗击的战斗 【例23】Four years ago his father took part in the battle_ SARS. A.with B.against C.to D.for 6.save的含义。 (1)挽救save sb.sth.(from+名词或代词) e.g.The policeman saved the children from the fire. (2)节省 e.g.

16、The machine will help us save lots of time. (3)“节约，存钱”，和for或动词不定式搭配表示省钱的目的。They are saving for a new house. 【例24】More than 100 workers_ from the Wangjialing Coal Mine in April this year. A.is saved B.are saved C.was saved D.were saved 7.leave leave常用作动词 =go away (from) “离开” leave for +地点名词 表示“动身去，前往

17、” leavefor 意为“离开去” leave sth. +地点 表示把某物忘记在某地 【例25】选词填空 leaveleave forleavefor (1)He_ his hometown last week. (2) I am_ New York next week to see my good friends there. (3)We will_ Beijing_ Shanghai.【分析比较】 leave常用作动词，表示go away(from)“离开”，leave a place是指“离开某地”。(1)题意为“他上周离开了家乡。”故填leave的过去式left。leave for+地点名词，表示“动身去，前往”。(2)中由不定式所表达的意思可知下周我要去纽约，故填leaving for。leave A for B，意为“离开A地去B地”。(3)题意为“我们准备离开北京去上海。”故填leavefor。 4.Its ones duty to do sth.做某事是某人的责任be on duty值日 【例26】who is_ _ (值日)today? Its me.