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高中英语必修二Unit4_知识点讲解与答案

高中英语必修二Unit4_知识点讲解与答案
高中英语必修二Unit4_知识点讲解与答案

必修二第四单元

Ⅰ.词汇短语过关

1.respond vi.回答,答复;响应,作出反应

response n. 回答,回复;反应

respond to sb./sth.回答(比 answer, reply to正式)

respond to sb./sth. (with/ by sth.) 用……回应某人(事)

respond to (疾病、身体的受伤部分)对医药有良好反应

response to sb./sth. (对人/物)的回答/回复/反应

in response to 作为对……的反应

[即学即练1]

(1)They still haven't ____________ my letter.

他们至今仍没有回我的信。

(2)He ____________ my suggestion ________ a laugh/______ laughing. 他对我的建议报以一笑。

(3)His illness didn't ____________ treatment by drugs.

他的疾病对药物治疗没有反应。

(4)My mother opened the door ____________________ the knock, but there was no one outside.

听到敲门声后,我妈妈打开了门,但外面一个人都没有。

responded to , responded to , with , by , respond to , in response to

2.certain adj. 确定的;无疑的;某(种)

(1)作“某(种)”讲时,同义于 some.但 some 前不加冠词。

for a certain reason=for some reason 由于某种原因

certain professors=some professors 某些教授

a certain amount of time 相当一段时间

(2)作“确信的,有把握的”讲时,同义于 sure.但是 certain 的主语既可以是人,也可用于It is certain that...句型,而 sure 主语只能是人。

“be certain/sure+从句”(人)有把握/确信……(表示主语的信念)

be certain/sure of/about sth. (人)确信(表示主语的信念)

be certain/sure to do sth. 必定/肯定会做某事(主语常为二、三人称,表示说话人的信念)

“make certain/sure+从句”弄清楚/确保……

make certain/sure of/about sth. 把某件事情弄清楚

for certain/sure 确定地,确切地(做状语)

It is certain that... 一定会……(不能用 sure)

[即学即练2]

(1)There was _________________ in his manner.他的态度有点冷淡。

(2)Are you ____________________ it?你对此有把握吗?

(3)He is __________________ his duty.他肯定会尽职。

(4)_________________ he has wronged me.我确信他冤枉了我。

(5)_________________ their team will win the match.他们队肯定会赢得比

赛。

a certain coldness , certain about/of , certain to do , I’m certain that , It’s certain that

3.contain vt. 包含;容纳(=hold);抑制(=control)

[即学即练3]

(1)His paper ___________ no mistakes at all.

他的试卷没有一点错误。

(2)Orange juice ____________ things which help keep you healthy.

橘汁里含有有益于健康的东西。

(3)This bottle ___________ two glasses of beer.

这个瓶子可容纳两杯啤酒。

(4)He couldn't ____________ for joy.他不胜欢喜。

contained , contains , contains , contain himself

4.affect vt.影响;感动;(疾病)侵袭

be greatly/deeply affected 很/深受感动

be affected by heat/cold 中暑/着凉

be affected with high fever 发高烧

[即学即练4]

(1)The amount of rain ______ the growth of crops.降雨量直接影响庄稼生

长。

(2)One of her lungs ____________ a little so that she has to rest.她的

一叶肺有些感染,所以她不得不休息。

(3)The audience ____________________ by his speech.

听众被他的演讲深深打动了。

affects , is affected , were deeply affected

5.appreciate vt. 欣赏;感激;喜欢

appreciation n. 欣赏;感激

appreciate sth. (thank sb.) 感激某事或某人

appreciatedoing sth.感激做某事

one/one's doing sth.感激某人做某事

I would appreciate it if... 如果……,我将不胜感激。

[即学即练5]

(1)He highly __________________________.

他非常感他的帮助。

(2)We shall ___________________________ you again.

我们将很高兴再次收到您的来信。

(3)I really ____________________________ to the party.

你能来参加这次聚会我太高兴了。

(4)I would ______________________ you could help me.

如果你能帮助我,我将不胜感激。

appreciated his help

appreciate hearing from

appreciate your coming

appreciate it if

6.succeed v.成功

success n. [U]成功;成就 [C]成功的人或事

successful adj. 成功的

successfully adv. 成功地

succeed in doing sth.

have success in doing sth.

be successful in doing sth.成功做某事

achieve great success 取得巨大的成功

sb./sth. is a success 成功的人或事

[即学即练6]

(1)We all _____________________ the mid-term examination.我们都成功地通过了期中考试。

(2)Failure is the mother of __________.失败是成功之母。

(3)He was _________________________ as a novelist.

他是非常成功的小说家。

succeeded in passing , success , a success

7.harm vt. & n.损害;危害

harmful adj.有害的

be harmful to=do harm to

do sb. harm=do harm to sb.对……有害

There is no harm in doing sth.

=It does no harm (for sb.)to do sth.

做某事是个好主意(或没有坏处)。

[即学即练7]

(1)The dog seems fierce, but it won’t ______ anyone.这条狗看上去很凶,但它不会伤害任何人。

(2)Fruit juice can ______________________ children’s teeth.

果汁可能损坏儿童的牙齿。

(3)He may say no, but ___________________________ asking.他可能拒绝,但问一问也无妨。

harm , be harmful to , there is no harm in

8.die out 灭亡,逐渐消失

die out 绝种,灭绝;熄灭;(风俗、习惯等)逐渐消失

die off(家族、种族等)相继死亡;(草木)先后枯死

die away(声音、光线、风等)渐弱,渐息,平息

die down(火、光线、兴奋、暴风雨等)渐弱,渐息;(声音)静下来

die of 指死于疾病、衰老、饥饿、悲伤等

die from 指由于外伤、外界原因、粗心、不注意、劳累过度等而死

[即学即练8]

(1) Scientists said that those plants ______ a century ago.

科学家们说那些植物一个世纪前就绝种了。

(2) Many old customs ___________________________.

许多古老的风俗正逐渐消失。

(3)If the snowstorm does not blow over, the cattle will ______________. 如果暴风雪不停息,牲畜就要死掉了。

(4)Open the air hole; the fire is ___________________.

把气孔打开,火要熄了。

died out , are dying out , die off , dying down

(5)Every winter some old people _______________ hypothermia.

每年冬天都有一些老人死于体温过低。

(6)Nowadays many people ________________ cancer.

现在有很多人死于癌症。

die from , die of

9.in danger (of...)处于危险之中

out of danger 脱离危险

[即学即练9]

(1)The drowned girl was obviously

_________________________.

很明显,那个溺水的女孩的生命危在旦夕。

(2)The old house is _________________ collapse.

那所老房子有倒塌的危险。

(3)They were told at the hospital that their grandmother was _________________.

他们在医院得知他们的祖母已经脱离危险了。

in immediate danger , in danger of , out of danger

拓展:与 in/out of 搭配的短语

in order 有秩序

in sight 看得见

in trouble 在困境中

in line 成行(队)

in place 适合/当

in fashion 时尚out of order出故障(机器等工作不正常)

out of sight 看不见

out of trouble 摆脱困境

out of line 不成一直线

out of place 不合适

out of fashion 过时

10.protect...from/against... 保护……免受……(的伤害)

defend...from/against...保卫……以抵制……

keep sb. from doing

stop sb. (from) doing

prevent sb. (from) doing阻止某人做

[即学即练10]

(1)Young plants should be well ______________ the cold.

幼苗必须被很好地保护以免受冻。

(2)The hen ___________ its young ___________ being attacked by the cat. 母鸡保卫小鸡使其免遭猫的袭击。

(3)Everyone should take up arms to __________ our country from invasion. 每个人都应当拿起武器保卫我们的国家不受侵犯。

(4)Nothing can ______ us ______ realizing our dreams.

什么也不能阻止我们实现梦想。

protected from , protected , against , defend , stop , from

提示:(1)protect against 和 protect from 意思相似,有时可互换。但是,

对于较大的事情,如:敌人的入侵、天灾等,常用 protect against, 对于较小

的事情常用 protect from.

(2)在 protect...from/against... 结构中,from和 against 后面常跟 sth.,

有时 against 后跟 being done 来强调动作的被动性。

(3)主动句中 prevent/stop...from...中的 from 可省略,在被动句中 from不

可省略,而 keep...from...中的 from无论是在主动句还是被动句中都不能省

略。

11.pay attention to 注意

Attention, please! 请注意! (演讲用语)

(=May I have your attention, please?)

attract/catch/draw/get one's attention to 吸引某人的注意

fix/focus/concentrate one's attention on 将注意力集中于

devote one's attention to 专心致志于

call one's attention to 唤起某人对……的注意

提示:以上短语中的 to、on都是介词,其后接名词、代词或动名词。

[即学即练11]

(1)She ______________________________ her appearance.

她很注重外表。

(2)A great deal of attention has been ______________ protecting the environment.

人们已对保护环境投入很多精力。

paid much attention to , paid to

12.come into being 出现;形成;产生

bring...into being 使形成;使产生

for the time being 暂时;眼下

[即学即练12]

(1)We don't know when the universe ________________________.

我们不知道宇宙是何时形成的。

(2)Such a custom ______________________ long ago.

这种风俗很久以前就有了。

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