高中英語(yǔ)必修二Unit4知識(shí)點(diǎn)

1、Unit 4 Wildlife protection【短語(yǔ)歸納】：l.die out滅亡；逐漸消失2.in peace和平地；和睦地；安祥地3.in danger （of）在危險(xiǎn)中；垂危 4.in relief 如釋重負(fù)；松了口氣5 .burst into laughter突然笑起來(lái)；大聲笑了出來(lái)6 .protectfrom保護(hù)不受（危害）7 .pay attention to注意e into being 形成； 產(chǎn)生9 .according to按照;根據(jù)所說(shuō) 10.so that以致于;結(jié)果【知識(shí)點(diǎn)總結(jié)】：1 .Their numbers maydecreasedecrease vi. &

2、 vt.減少；（使）變小或變少decrease to 減少至decrease by 減少了 e.g. By 1881, the population of Ireland had decreased to 5.2 million.Student numbers have decreased by 500.拓展：reduce to/reduce by少至U/減少了increase to /increase by增力至U %曾力了 2 . As a result these endangered animals may evene out.die out滅絕、滅亡e.g. How did the

3、dinosaur die out? 1die of死于（通常指疾病、等內(nèi)因）e.g. Her grandfather died of cancer.die from死于 （通常指交通事故等外因） e.g. Many villagers from snake bites.die away（聲音、風(fēng)、光線等）普無(wú)息, 漸弱 e.g. The sound of the car died away in the distance.die down（慢慢）熄火，平靜卜來(lái)e.g. The fire is dying down.die off相繼死去e.g. The deer in the forest a

4、re all dying off from disease.J拓展：be dying for很想要；渴望be dying to do sth.極想干某事e.g. She is dying to see you.3 .Why are they in danger of disappearing?in danger在危險(xiǎn)中, 垂危 e.g. We were warned that we were in danger.in danger of有的危險(xiǎn)out of danger脫離危險(xiǎn)4 . Farmers hunted us withoutmercy.mercy n.仁慈；寬恕；憐憫ask/beg

5、for mercy 請(qǐng)求寬恕show mercy to/have mercy on 憐憫/同情/可憐with mercy仁慈地without mercy殘忍地；毫不留情地at the mercy of 任由擺布 It is a mercy that.真是萬(wàn)幸e.g. She begged the president to have mercy on her husband.The poor cat is at the mercy of the naughty boy.5.They allowed tourists to hunt only acertain number of animals

6、if they paid the farmers.certain adj. 確定的； 一定的； 某一(1)be certain of/ about sth; 對(duì)有把握 (=be sure of/about sth)be certain to do sth： 一定會(huì)做一 to a certain extent 一定程度上for certain=for sure無(wú)疑地；確定地 make certain (that并清楚；弄明白It is certain that : 肯定，一定會(huì) .(不能說(shuō) It is sure that )e.g. We are certain to have a good t

7、ime at the party tonight.It is certain that something is wrong with the machine6.Im protecting myself from tect.from.保護(hù)不受(危害)protect.against保護(hù)以防(強(qiáng)調(diào)較大的事情,如敵人的入侵、天災(zāi)等)keep+賓語(yǔ) + from doingstop+賓語(yǔ) + (from) doingprevent+賓語(yǔ)+ (from) doing 阻止做某事注意：被動(dòng)語(yǔ)態(tài)里from均不可省去，而在主動(dòng)語(yǔ)態(tài)中，與stop/prevent搭配的from 可以省

8、略。7.It contains a powerful drug which affects mosquitoes.contain vt.包含；容納；克制(強(qiáng)烈的感情等);抑制contain oneself克制自己container n.容器； 集裝箱； 貨柜易混辨異 contain, include, including, included1) contain意為包含；容納；里面裝有”，側(cè)重整體內(nèi)有，在某一范圍或容器 內(nèi)能容納某物。其賓語(yǔ)與主語(yǔ)常是同位關(guān)系，不用于進(jìn)行時(shí)態(tài)。止匕外，contain 還有控制，克制”之意。2)include意為 包含；計(jì)入；包括”，只能用于表示所包含之物中的一部分

9、，其后 的賓語(yǔ)往往是主語(yǔ)的一部分。3)including可以作介詞連接介詞短語(yǔ)，放在所包括的東西之前。4)included是過(guò)去分詞性質(zhì)的形容詞，放在所包括的東西之后。e.g. She was too angry to contain herself.The hall can contain/hold/admit 3,000 people.Many people like tennis, including me/me included.8 .affect vt.影響；感動(dòng)；(疾病)侵襲 1)be greatly/deeply affected by 被深深打動(dòng)be affected by h

10、eat/cold中暑/著涼be affected with high fever 發(fā)高燒2)affection n.喜愛(ài)；感情3)effect n.作用；影響 take effect生效 have an effect on 對(duì)產(chǎn)生影響e.g. The disease is beginning to affect her eyesight.9 .You should pay more attention to the rainforest where I live and appreciate how the animals live together.attention n.注意力；注意，留心

11、pay/give attention to 注意 attract/catch/draw/get one sttentionB勺注意力 fix/focus one s attention 電就意力于 devote one s attentionRo、于 turn one attention to將注意力轉(zhuǎn)向e.g. The teacher told the student to pay attention to his spelling.10 .appreciate vt.欣賞;感激；意識(shí)到appreciated n./pron./v-ing欣賞 /感激I would appreciate it

12、 if.假如我將不勝感激appreciation n.欣賞；感激e.g. I will appreciate it if you can give me some advice about TOEFL test.提醒當(dāng)appreciate，hate, dislike, depend on等詞后接賓語(yǔ)從句時(shí)，一般先加 it,再接賓語(yǔ)從句。11 .What must be done if wildlife protection is to succeed?succeed vi.成功；繼承 vt.接替；繼任1)succeed (in) doing sth成功 succeed to st愴8承2)su

13、ccessn. U成功，成就；C成功的人或事物successfuladj .成功的 successfully adv.成功地e.g. If we team up with each other, we will succeed in overcoming the difficulties.He had to succeed to the business when his father passed away.12 . Can they beemployed to work in the park and not hurt the animals?employ vt.雇用；利用(時(shí)間、精力等)

14、(1)employ sb. as.雇用某人任employ sb. to do sth.雇用某人做某事be employed in (doing) sth.忙于某事，從事于某事(2)employer n.雇主 employee n.雇員，受雇者 employment n.職業(yè)，工作，使用 e.g. He has been employed in writing a new book these days.13 .They lived on the earth tens of millions of years ago, long before humanscame into being and

15、their future seemed secure at that e into being 形成； 產(chǎn)生come into existence開(kāi)始存在；形成，產(chǎn)生 come into fashion 開(kāi)始流行，風(fēng)靡come into effect 生效 come into sight/view 看得見(jiàn) come into office 就職 come into power 當(dāng)權(quán)； 執(zhí)政 come into use/serviceFF始被使用e.g. When did the club first come into being?The new tax regulations

16、 came into effect last month.14 .They lived on the earth tens of millions of years ago, |long before humans came into being.long before意為 很久以前”，常用于過(guò)去時(shí)或過(guò)去完成時(shí)的句子中作時(shí)間狀語(yǔ)， before后邊可以跟從句。e.g. I had heard of him long before I came here.They said they had known each other long before.拓展：（1）before 10ng相當(dāng)于soo

17、n或a little later,意為 不久； 不久以后”，常與 將來(lái)時(shí)、過(guò)去時(shí)態(tài)連用，在句中作狀語(yǔ)，不可以直接加從句。e.g. I hope youll be able to come to China again before long.（2）It is/was not long before+從句不久就It will be long before +從旬要過(guò)很久才 It will not be long before + 從句 過(guò)不了多久就 e.g. It wont be long before he goes abroad.三、重點(diǎn)語(yǔ)法現(xiàn)在進(jìn)行時(shí)的被動(dòng)語(yǔ)態(tài)當(dāng)強(qiáng)調(diào)動(dòng)作正在進(jìn)行或現(xiàn)階段正在進(jìn)行，并且主語(yǔ)與謂語(yǔ)動(dòng)詞之間是動(dòng)賓關(guān)系 （被動(dòng)關(guān)系），我們需要使用現(xiàn)在進(jìn)行時(shí)的被動(dòng)語(yǔ)態(tài)。現(xiàn)在進(jìn)行時(shí)被動(dòng)語(yǔ)態(tài)構(gòu)成為：am/is/are being done練習(xí)：1. The most delicious cake in the worldby Mum. Please wait anhour to enjoy it.A. makes B. is made C. is going to make D. is