(完整版)高中英语必修二Unit4-知识点讲解及答案

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