2022年高中英语必修二Unit4知识点 .pdf

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1、学习必备欢迎下载Unit 4 Wildlife protection 【短语归纳】：1.die out 灭亡；逐渐消失2.in peace和平地；和睦地；安祥地3.in danger (of) 在危险中；垂危4.in relief 如释重负；松了口气5.burst into laughter突然笑起来；大声笑了出来6.protect.from 保护不受( 危害) 7.pay attention to注意e into being形成；产生9.according to按照；根据 所说10.so that以致于；结果【知识点总结】：1.Their numbers may decrease .decr

2、ease vi. & vt. 减少；（使）变小或变少decrease to 减少至 decrease by 减少了 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减少到 / 减少了 increase to /increase by 增加到 / 增加了 2. As a result these endangered animals may even die out.die out 灭

3、绝、灭亡e.g. How did the dinosaur die out? die of 死于 （通常指疾病、衰老等内因）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 （声音、风、光线等）渐息，渐弱e.g. The sound of the car died away in the distance. die down （慢慢）熄灭，平静下来e.g. The fire is dying down. die off 相继死去e

4、.g. The deer in the forest are all dying off from disease. 拓展： be dying for 很想要；渴望be dying to do sth.极想干某事e.g. She is dying to see you. 3.Why are they in danger of disappearing? in danger在危险中，垂危e.g. We were warned that we were in danger. in danger of 有的危险out of danger脱离危险4. Farmers hunted us without

5、 mercy.mercy n仁慈；宽恕；怜悯ask/beg for mercy请求宽恕show mercy to/have mercy on 怜悯/同情/可怜with mercy 仁慈地without mercy 残忍地；毫不留情地精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 1 页，共 4 页学习必备欢迎下载at the mercy of任由摆布It is a mercy that. 真是万幸 e.g. She begged the president to have mercy on her husband. The poor cat is

6、at the mercy of the naughty boy. 5.They allowed tourists to hunt only a certain number of animals if they paid the farmers. certain adj. 确定的；一定的；某一(1)be certain of/ about sth. ：对有把握（ =be sure of/about sth. ）be certain to do sth. ：一定会做 to a certain extent ：一定程度上for certain=for sure无疑地；确定地弄清楚；弄明白It is

7、 certain that：肯定，一定会 . （不能说 It is sure that）e.g. We are certain to have a good time at the party tonight. It is certain that something is wrong with the machine 6.Im protecting myself from mosquitoes. protect.from.保护不受( 危害) protect.against保护以防( 强调较大的事情，如敌人的入侵、天灾等) keep宾语 from doing stop宾语 (from) doi

8、ng prevent宾语 (from) doing 阻止做某事注意： 被动语态里 from 均不可省去，而在主动语态中，与 stop/prevent搭配的 from可以省略。7.It contains a powerful drug which affects mosquitoes. contain vt. 包含；容纳；克制 (强烈的感情等 )；抑制contain oneself克制自己container n.容器；集装箱；货柜易混辨异 contain, include, including, included 1) contain 意为“ 包含；容纳；里面装有 ” ，侧重 “ 整体内有 ”

9、，在某一范围或容器内能容纳某物。 其宾语与主语常是同位关系， 不用于进行时态。 此外，contain还有“ 控制，克制 ” 之意。2)include 意为“ 包含；计入；包括 ” ，只能用于表示所包含之物中的一部分，其后的宾语往往是主语的一部分。3)including 可以作介词连接介词短语，放在所包括的东西之前。4)included 是过去分词性质的形容词，放在所包括的东西之后。e.g. She was too angry to contain herself. The hall can contain/hold/admit 3,000 people. Many people like te

10、nnis, including me/me included. 8.affect vt.影响；感动； (疾病 )侵袭1)be greatly/deeply affected by被深深打动精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 2 页，共 4 页学习必备欢迎下载be affected by heat/cold 中暑/着凉be affected with high fever 发高烧2)affection n. 喜爱；感情3)effect n.作用；影响take effect生效have an effect on 对产生影响e.g. The

11、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pay/give attention to注意吸引某人的注意力fix/focus ones attention on集中注意力于专心于turn ones attention to将注意力转向 e.g. The teacher told the stu

12、dent to pay attention to his spelling. 10.appreciate vt.欣赏；感激；意识到appreciate n./pron./v-ing欣赏/感激I would appreciate it if. 假如我将不胜感激appreciation n.欣赏；感激e.g. I will appreciate it if you can give me some advice about TOEFL test. 提醒当 appreciate ，hate，dislike，depend on等词后接宾语从句时，一般先加it，再接宾语从句。11.What must b

13、e done if wildlife protection is to succeed ? succeed vi.成功；继承vt.接替；继任1)succeed (in) doing sth. 成功succeed to sth. 继承2)success nU成功，成就； C成功的人或事物successful adj.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 w

14、hen his father passed away. 12. Can they be employed to work in the park and not hurt the animals? employ vt.雇用；利用 (时间、精力等 ) (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，从事于某事(2)employer n.雇主employee n.雇员，受雇者employment n.职业，工作，使用e.g. He has been employed in wr

15、iting a new book these days. 13.They lived on the earth tens of millions of years ago, long before humans came into being and their future seemed secure at that time. come into being 形成；产生精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 3 页，共 4 页学习必备欢迎下载come into existence开始存在；形成，产生come into fashion 开

16、始流行，风靡come into effect 生效come into sight/view 看得见come into office 就职come into power当权；执政come into use/service开始被使用e.g. When did the club first come into being? The new tax regulations came into effect last month. 14.They lived on the earth tens of millions of years ago, long before humans came into

17、being. long before 意为“ 很久以前 ” ，常用于过去时或过去完成时的句子中作时间状语，before 后边可以跟从句。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 long 相当于 soon或 a little later，意为 “ 不久； 不久以后 ” ，常与将来时、过去时态连用，在句中作状语，不可以直接加从句。e.g. I hope youll be able to come to China a

18、gain before long. (2)It is/was not long before从句不久就 It will be long before从句要过很久才 It will not be long before从句过不了多久就 e.g. It wont be long before he goes abroad. 三、重点语法现在进行时的被动语态当强调动作正在进行或现阶段正在进行，并且主语与谓语动词之间是动宾关系（被动关系），我们需要使用现在进行时的被动语态。现在进行时被动语态构成为：am/is/are being done 练习：1. The most delicious cake i

19、n the world _ by Mum. Please wait an hour to enjoy it. A. makes B. is made C. is going to make D. is being made 2. I dont know what time it is now. My watch _. A. is repairing B. has been repaired C. is being repaired D. has being repaired 解析：1. D. cake与 make之间是被动关系，从后面的Please wait an hour to enjoy it.可知用现在进行时的被动语态。2. C. 考查动词的时态和语态。由句意知My watch 和 repair 之间是被动关系，且当前正在进行，故用现在进行时的被动语态。精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 4 页，共 4 页