unit4詞匯學(xué)案(13張PPT)

1、1. in time 及時(shí)及時(shí); 最后，終于最后，終于 The doctor came in time to save his wife. (2)Will I be in time for the train? (3)If you keep on, you will succeed in time.歸納：歸納：_ _【想一想】【想一想】time短語(yǔ)歸納短語(yǔ)歸納：首次首次_ 提前提前_ 一直，始終一直，始終_同時(shí)；然而同時(shí)；然而_每次，一次每次，一次_曾經(jīng)，一度曾經(jīng)，一度_有時(shí)，偶爾有時(shí)，偶爾_ 立刻，馬上立刻，馬上_不時(shí)的，偶爾，間或不時(shí)的，偶爾，間或_ in time to do in ti

2、me for sth. 及時(shí)做某事及時(shí)做某事 for the first time ahead of time all the time at the same time at a time at one time at times from time to time in no time2. unlike prep. & adj.不同不同,不像不像 (反反)like adj.像；類似像；類似Its unlike you not to say hello. 連招呼也不打這不像你的作風(fēng)。連招呼也不打這不像你的作風(fēng)。They gave unlike accounts of the inci

3、dent.他們對(duì)這事情的描述各不相同。他們對(duì)這事情的描述各不相同。歸納拓展：歸納拓展：Its unlike sb. to do sth. 做某事不像某人平常做某事不像某人平常的樣子。的樣子。Like v. 喜歡喜歡 （反）（反）dislike v. 不喜歡不喜歡likely adj. 可能的可能的 （反（反unlikely）sb./sth. be likely to do sth. / it is likely that 學(xué)以致用：選詞填空學(xué)以致用：選詞填空（unlikely/likely/unlike/like/dislike）(1)We _ (不喜歡不喜歡) being laughed i

4、n public.(2)His new novel is _ all his previous ones.(3)Since their parents strongly disagree, they are _ to marry.(4)They are so _ that nobody believes they are sisters.(5)It is _ that we can find a restaurant there, so we neednt bring any food. dislikeunlikeunlikelyunlike likely3. harmful adj. 有害的

5、，傷害的有害的，傷害的 (反反)_ n./v.傷害，損害傷害，損害 _對(duì)對(duì)有害有害 _/_吸煙對(duì)你的健康有害吸煙對(duì)你的健康有害._ harmless harm be harmful to / do harm to (do harm)Smoking is harmful to your health.4. exist vi. 存在存在 ；活著；靠；活著；靠生存生存 _n. 存在，生存存在，生存拓展：拓展：exist in存在于存在于中中 exist on靠靠生活、生活、生存生存 There exist 某地有某地有come into existence = come into being形成，形

6、成，產(chǎn)生產(chǎn)生 in existence存在的，現(xiàn)有的存在的，現(xiàn)有的(1)Even though he is a little boy, strange ideas always _ his mind.(2)The old lady became seriously ill last week, and she has only _ milk ever since.(3)_ a temple on the hill. 在這座在這座山上曾有一座寺廟。山上曾有一座寺廟。(4)Nowadays, there are still many people wondering when the world

7、_.existence exist in existed on There once existed came into existence5. in ones turn輪到某人，接著輪到某人，接著拓展：拓展：turn 有關(guān)的短語(yǔ)：有關(guān)的短語(yǔ)：輪流，交替輪流，交替_ 依次，輪流；轉(zhuǎn)而依次，輪流；轉(zhuǎn)而_輪流做某事輪流做某事_輪到某人做某事了輪到某人做某事了_ by turns in turn take turns to do sth.It is ones turn to do sth.6. prevent/stop/keep from 阻止阻止/制制止止干某事干某事protectfrom保護(hù)保護(hù)

8、不受不受侵襲；擋??；侵襲；擋住；防御防御(1)_ 什么也不能阻止他們計(jì)劃的實(shí)施。什么也不能阻止他們計(jì)劃的實(shí)施。(2)The heavy rain _us visiting the attractive lake, but we didnt _.A. prevented; lose the heart B. prevented; lose heart C. kept; lose heart D. protect; lose the heartNothing can prevent their plan from being carried out.7. cheer up歡呼；喝彩；感到高興；使高

9、興歡呼；喝彩；感到高興；使高興 Try to cheer up; life isnt that bad. The crowd cheered up when they saw the teams arrive.8. now that 既然既然 (now that 引導(dǎo)表示原因的從引導(dǎo)表示原因的從句，在口語(yǔ)中句，在口語(yǔ)中that可以省略可以省略)Now that everyone is here，lets begin our meeting. 既然大家都到齊了，我們就開(kāi)始開(kāi)會(huì)既然大家都到齊了，我們就開(kāi)始開(kāi)會(huì)吧。吧。Now (that) you are grown up, you must sto

10、p this childish behaviour. 既然你已經(jīng)長(zhǎng)既然你已經(jīng)長(zhǎng)大，你必須停止這種幼稚的行為。大，你必須停止這種幼稚的行為。(2)_ youve got a chance, you might as well make full use of it. Now that B. After A.C. Although D. As soon as9. break out （戰(zhàn)爭(zhēng)、火災(zāi)、疾病等）突然發(fā)生，（戰(zhàn)爭(zhēng)、火災(zāi)、疾病等）突然發(fā)生，爆發(fā)（不用于被動(dòng)語(yǔ)態(tài)）爆發(fā)（不用于被動(dòng)語(yǔ)態(tài)）拓展：拓展：break的短語(yǔ)的短語(yǔ)脫離、掙脫脫離、掙脫_(機(jī)器機(jī)器)出故障；失敗；出故障；失?。?身體等身體等

11、)垮掉垮掉_插話（入）插話（入）_ 破門(mén)而入破門(mén)而入 _ 解散；解體；分手解散；解體；分手_(1) The fire _ _ during the night.(2)The couple often quarrel with each other. And it is said that they have decided to _.(3)On their way to travel, their car _. (4)He _ on our conversation.(5)The thieves _ the bank and stole the safe. break away from br

12、eak down break in break into break up broke out break up broke in broke into broke down10. watch out 密切注視；當(dāng)心；提防密切注視；當(dāng)心；提防 Watch out for小心小心 _! This is a very busy street. _ the dog!當(dāng)心那條狗！當(dāng)心那條狗！ watch outWatch out for 【當(dāng)堂檢測(cè)】【當(dāng)堂檢測(cè)】1. Because of the _(猛烈的猛烈的) natural disaster, a lot of people have lost their lives.2. In old times people had a _(理論理論) that the world was flat.3. A family-friendly _ (氣氛氣氛) in this hotel makes travelers comfortable.4. What he said made people present _(迷惑的迷惑的).5. He gave a strong _(拉拉) at the rope.6. 你正好趕上我們的討論。你正好趕上我們的討論。Youre just _ _ _ our discussio