高中英语必修3unit4-阅读知识点课件.ppt（纯ppt,不包含音视频素材）

1、1:according to:据某人所述，根据，按照据某人所述，根据，按照n根据天气预报，明天将要下雨。根据天气预报，明天将要下雨。nAccording to the weather forcast,it will rain next week.2:in all directions=in every direction 朝四面朝四面 八方八方e.g.：the enemies run away in all directions.a sense of direction:方向感方向感 under the direction of sb=under ones direction3.The ear

2、th became so violent that it was not clear whether the shape would last or not.1)violent 猛烈的猛烈的,激烈的激烈的2)whether 可以引导主语从句、表语从句、可以引导主语从句、表语从句、宾语从句和同位语从句宾语从句和同位语从句;而而if只能引导宾语从句。只能引导宾语从句。引导宾语从句既可以用引导宾语从句既可以用whether,也可以用也可以用if。Could you tell us whether/if it snows in winter in Australia?4.They were in ti

3、me to produce in time 及时及时;终于终于She will be back in time to prepare dinner.The doctor came in time to save her life.医生及时赶来救了她的命。医生及时赶来救了她的命。Mary usually gets home in time to bath the children.玛莉通常及时到家给孩子们洗澡。玛莉通常及时到家给孩子们洗澡。注意注意:in time 还有还有“过些时候过些时候;最后最后”之意。之意。Youll get used to it in time.过些时候你会习惯它的。过

4、些时候你会习惯它的。Dont worry.Im sure things will get better in time.别着急别着急,我肯定过些时候事情会好转的。我肯定过些时候事情会好转的。on one ahead take at times in no time 5.atmosphere n.大气层大气层;气氛气氛An atmosphere of tension filed the room.屋子里笼罩着紧张的气氛。屋子里笼罩着紧张的气氛。The atmosphere over dinner was warm and friendly.用餐时洋溢着热情友好的气氛。用餐时洋溢着热情友好的气氛。

5、注意注意:指指“大气层大气层”时时,常用常用 the atmosphere;指指“气氛气氛”时时,常使用单数形式。常使用单数形式。6.as the earth cooled down,water began to appear on its surface.随着地球的冷却随着地球的冷却,地球的表面就开始出现了水。地球的表面就开始出现了水。1)cool down 变凉变凉,冷却冷却2)appear“出现出现,似乎似乎”是是vi,当表示当表示 “似乎，好像似乎，好像”时是系动词时是系动词,该词无被动语态。该词无被动语态。Our teacher appeared on TV this morning

6、.7.-laid-laid-laying):放放,把把放在放在；产卵；产卵 e.g.:He laid his books on the desk.注意注意:lie(lay;lain;lying)躺；位于躺；位于 lie(lied;lied;lying)说谎说谎 The naughty boy _ to me that the hen that _ there just now had _ two eggs the day before.A.laid;laid;laid B.laid;lay;lainC.lied;laid;lain D.lied;lay;laidDdown ones life

7、out laid off laid some money aside B 8.give birth to1)生生(孩子孩子)Shes just given birth to a healthy baby girl.她刚刚生了个健康的女婴。她刚刚生了个健康的女婴。2)产生产生 The extraordinary experience gave birth to his latest novel.这段奇特的经历促成了他的最新的一部这段奇特的经历促成了他的最新的一部小说的诞生。小说的诞生。9.They are putting too much carbon dioxide into the atmo

8、sphere,which prevents heat from escaping from the earth into space.他们把太多的二氧化碳释放到大气层中他们把太多的二氧化碳释放到大气层中,这就这就使得热量不能从地球上散发到太空中去。使得热量不能从地球上散发到太空中去。prevent sth./sb.(from)doing sth.制止制止(防止防止)某人某人(某物某物)做某事做某事The rules are intended to prevent accidents.What can we do to prevent this accident(from)happening?。

9、I tried to keep him from waiting for her.我试图叫他不要再等她了。我试图叫他不要再等她了。I tried to keep him waiting for her.我试图让他等她。我试图让他等她。10:对。有害对。有害ndo harm to.ndo.harmnbe harmful to.Smoking is harmful to our health.11.the earth may become too hot to live on.地球可能会因此变得太热而不适合生物的生存。地球可能会因此变得太热而不适合生物的生存。有关有关too的一些用法。的一些用法。

10、1)too作作“太太”讲。讲。(too.to.:太而不能）太而不能）There is too much water.水太多了。水太多了。This shirt is too large for me.这衬衫我穿起来太大。这衬衫我穿起来太大。The problem is rather too hard for me.这个问题对我来说太难了。这个问题对我来说太难了。2)“cannotcan never.too”,表示表示“无论怎样无论怎样也不会过分也不会过分”。You cannot praise him too highly.你无论怎样表扬他也不过分。你无论怎样表扬他也不过分。We cannot b

11、e too careful in doing experiments.我们做实验无论怎样小心也不过分。我们做实验无论怎样小心也不过分。You can never be too careful of your health.你越注意健康越好。你越注意健康越好。12:multiply:vt乘以，使增加，使繁殖乘以，使增加，使繁殖nmultiply A by/and B:A乘以乘以BE.g.：Three multiplies three is six.13:turn(做名词时）做名词时）nin ones turn:轮到某人，接着轮到某人，接着nIn turn:依次，轮流，转而，反过来依次，轮流，转而

12、，反过来nBy turns：轮流，依次：轮流，依次nTake turns to do sth:轮流做某事轮流做某事nIt is one turn to do sth:轮到某人做某事了轮到某人做某事了We did the work by turns.Its your turn to be on duty.We took turns to clean the classroon.14.whether life will continue on the earth for millions of years to come will depend on whether this problem ca

13、n be solved.在未来的千百万年中在未来的千百万年中,生命能否在地球上生命能否在地球上 延续将取决于这个问题能否得到解决。延续将取决于这个问题能否得到解决。depend vi.相信相信，信赖；依靠，依赖信赖；依靠，依赖(尤指尤指 钱钱)；视视而定。而定。You can depend on John he is always on time.你可以相信约翰你可以相信约翰,他总是很准时。他总是很准时。相关短语：相关短语：believe sb.相信某人相信某人(所说的话所说的话)believe in sb.信任信任/信赖某人信赖某人trust(in)sb.相信相信/信任信任/信赖某人信赖某人

14、depend on sbcount on sb.rely on sbTell him what you want to say;hes a man to _.A.count B.believe C.trust D.depend 解析解析:相信相信/信赖某人信赖某人:count on sb./believe in sb./depend on sb./trust(in)sb.Cpuzzling puzzled puzzlement in 15puzzling about/over puzzled puzzle puzzlement puzzling B 1616three times as many as over on on 1717watch out for Now that prevent from in time watch over at a time what it was ten years ago.Now that everyone is here，lets beginour class.Since you have come，why not just stay?D A D A massive of masses mass in the mass The mass of