人教高中英语必修三UNIT4单词讲解课件

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,人教高中英语必修三UNIT4单词讲解课件,1,.unlike prep.与不同；不像,；,eg.Unlike her younger brother,she is very diligent.,和她弟弟不同的是，她很刻苦。,拓展：,(1)unlikely adj.不大可能的；未必会发生的；,Its unlikely that 的可能性不大,(2)likely adj.可能的 adv.很可能,Its likely that 可能,(3),sb./sth.be likely to do sth.有可能做某事,eg.这位影星可能来,The movie star _ _ _ _.,is likely to come,1.unlike prep.与不同；不像；is,2,.,harmful,adj.,有害的;造成伤害的；,Many people,are aware of,the,harmful,effects of smoking.,很多人都意识到了吸烟的危害。,【,联想拓展,】,（1）,be harmful to,对,有害,（2）,harm,n.,&,v.,损害，伤害,do harm to,sb,.=do,sb.,harm=,harm sb.,对某人有害；,（3）,There is no harm in doing sth.做某事没有害处,eg.在学习上取得进步没有任何害处。,There is no harm in,making progress on study.,(4)无害的；不致伤的；,harm,less,【,即学即练,】,吸烟有害健康。,Smoking,_ _ _,your health.,is harmful to,does harm to,2.harmful adj.有害的;造成伤害的；,3,.exist,vi.,存在；生存,(,无被动,无进行,),Man cannot exist without air.,（1）exist on 靠生活、生存,eg.,他们靠微薄的收入生存,是不可能的。,Its impossible for them to,exist on,a small income.,(2),there exists/esisted,某地有,eg.在我们公司门口有两个巨大的石狮子。,There exists,2 huge stone lions at our company gate.,拓展：,（3）,existence,n.,存在；生活;,come into existence 产生；成立；开始存在；,eg.Do you know when the English wordtuhao_ _ _,come into existence,3.exist vi.存在；生存(无被动,无进行)com,4.puzzle,vt.&vi.,(,使,),迷惑；,(,使,),为难,n.,谜；难题,Her reply puzzled me.,她的回答把我弄糊涂了。,(2),puzzle about/over,.,对感到迷惑；苦苦思索；,她几个星期也琢磨不透他那封奇怪的来信。,Shes been,_ _,his strange letter for weeks.,eg.,Their reason for doing it,is,still,a puzzle to me,.,他们为什么要做此事我仍莫名其妙。,(3),beapuzzletosb,对某人来说是个谜,【,联想拓展,】,（4）,puzzled,adj.,迷惑不解的；困惑的,be puzzled about 对迷惑不解,puzzling,adj.,令人费解的,【即学即练】,She felt,_,about her future.,A.puzzle B.puzzling C.puzzled D.puzzles,（1）puzzle sb.使某人困惑,puzzling over,C,4.puzzle vt.&vi.(使)迷惑；(使),5,in time,及时；终于；迟早,归纳拓展：,on time,at the same time,at times,at one time,at a time,at no time,f,rom,time,to time,ahead of time,take one,s time,in no time,all the time,准时,同时,有时；偶尔；,一度；曾经有一个时期；,一次；每次,绝不；在任何时候都不（,放句首，句子用半倒装,）,不时地，间或；,提前；提早,别着急；慢慢来,立刻，马上,(,at,once/immediately),一直；始终,Will we be,in time,for the six oclock train?,我们来得及赶上六点钟的那趟火车吗？,If you keep on working hard,youll succeed in time.,如果你坚持努力工作，你迟早会成功的。,5in time 及时；终于；迟早 Will we be,The boss ordered us to finish our task,ahead of time,.,老板命令我们,提前,完成任务。,Take your time,packing,for we still have one and a half hour.,慢慢整理,行李，因为我们还有一个半小时。,我们,决不,能向敌人屈服。,At no time,can we give in to the enermy.,人教高中英语必修三UNIT4单词讲解课件,6,.,in ones turn,轮到某人；,eg.,In my turn,I told them a joke.,常用结构：,(1),in turn,依次；轮流；转而；反过来；,(2),take turns(to do sth.,/doing sth.,),轮流（做某事）,(3),Its ones turn to do sth.,轮到某人做某事,【即学即练】,1,.,让我们轮流来做这项实验。,Lets do this experiment,_ _,.,2.,你的态度影响别人，它又将会反过来影响你。,Your attitude affects others which,_ _,affects you.,3.,今天该我洗盘子洗碗了。,Its my turn,_ _ _,today.,in turn,in turn,to wash up,6.in ones turn 轮到某人；in turni,7,.prevent.from,阻止；制止,eg.,His back injury may,prevent,him,from playing,in tomorrows,game.,他背部的伤可能使他参加不了明天的比赛。,用法点拨：,prevent.,(,from,),=stop.,(,from,),=,keep.from,阻止,做,eg.应该派一些警察去阻止他们砍树。,Some policeman should be sent to,_,_,them,_,_,the trees.,stop cuting down,prevent cuting down,keep from cuting down,7.prevent.from 阻止；制止stop,1.crash,1）vt./vi.碰撞，坠落,crash into.冲入，撞入,2）n.相撞（事故），飞机的（坠落），坠落声,a plane/car crash 飞机失事/汽车相撞事故,with a crash 随着撞击声,eg:The motorcycle_ the fence.,eg:An airliner_west of Dever last night.,eg:The glass fell to the floor_.,Language points,crashed into,crashed,with a crash,1.crashLanguage points crashe,2.pull,vt.拉，拖 n.拉力，牵引力,pull 拉，拖 push 推,相关短语：,pull down 拆毁（建筑物）,pull away 开始驶离，开走,pull in 火车进站，驶向路边停靠,pull on 匆忙穿上（衣服）,pull of 脱掉,pull through 度过危机，恢复健康,2.pull vt.拉，拖 n.拉力，牵引力,3.cheer,v.为.欢呼，喝彩，鼓舞,cheer up 感到高兴，感到振奋,cheer sb.on 为某人加油，喝彩,cheer the victory 为胜利欢呼,Cheers！干杯,cheerful adj.快乐的，高兴的,eg1:我写那首歌只是为了让自己高兴。,I write this song just to cheer myself.,3.cheer v.为.欢呼，喝彩，鼓舞,eg2:,If Andrew sees these great reviews,hell,_.,eg3:The gril_the runners_.,cheer up,cheered,on,eg2:If Andrew sees these grea,4.break out,(战争，火灾，疾病，争吵）突然发生，,爆发,相关短语：,break away（from）摆脱，脱离,break down 机器故障，身体垮掉，汽车抛锚，,谈判失败,break in 闯入，打断,break into 破门而入，非法闯入,break ones word/promise 食言，失言,break up 关系破裂，解散,4.break out(战争，火灾，疾病，争吵）突然发生,eg1：A fire_in his house last night.,eg2:When the war _,the old man was,still living in Libya.,eg3:The gril_to say the guests had,arrived.,eg3:Their car_.(他们的车出故障了),break out,break out,break in,break down,eg1：A fire_in his hous,5.watch out,密切注视，当心，提防,相关短语：,watch over 照看，看守,keep a watch 守望，注视,“当心，注意”,watch out look out,take care be careful,（注：watch out和look out后必须加“for”才,能跟宾语！）,5.watch out 密切注视，当心，提防,eg：The American government warned its,citizens_ for terrorists.,watch out,eg：The American government wa,【即学即练】,单项填空,She felt,_,about her future.,A.puzzle B.puzzling C.puzzled D.puzzles,解析,:,选,C,。句意为：她对她的将来感到迷惑。,puzzled,（人）迷惑的，迷惘的；,puzzling,（物）令人迷惑的。,5.pull,n.&vt.,拉,(,力）；拖；牵引力,You push and Ill pull.,你来推，我来拉。,I felt a pull at my sleeve and turned round.,我觉得有人扯我的袖子，便转过身来。,反义词,:push,【,速记名片,】,【即学即练】,常用结构：,pull(sb.)back,（使某人）退却；撤回（某人）,pull sb.down,（指疾病）使某人虚弱,pull sth.down,毁坏,拆毁（如旧建筑物）,pull tog