高一英语Unit21-22知识点总结

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编辑点评: 课文是学习英语的“重要基地”。课文里有语音、词汇项目,也有各类语法项目。它们有机地结合在课文里。因此同学们在英语学习时不能忽视课本中的知识点。

15 divided by 3 is 5.

十五除以三等于五。

13. experience

(1) n. 经历,感受,体验

Child as he is, he has experienced defeat.

尽管是个孩子,但他已经经历过失败。

Our country has experienced great changes in the last

30 years.

过去三十年里,我们国家经历了巨大的变化。

(2) [U] n. 经验

As a teacher with 5 years experience, she is good at

making friends with her students.

作为一个有五年教师工作经验的人,她擅长和她的

学生交朋友。

[C] n. 经历,阅历

Ourjourney by camel was quite an experience.

骑骆驼旅行真是一种令人难忘的经历。

[提示] experience 的形容词为 experienced,常可构成

短语:

be experienced in / at 对……有经验

He is very experienced in planting trees.

他对种树很有经验。

[拓展] experience...as 感受……是……,其中as后

可跟形容词,分词。

The theory is experienced as very advanced.

这个理论被认为是很先进的。

1. express vt. (以言语、表情) 表达……;叙述……

[构成]express + n.或 express + n. + to sb. (对

某人表达)或 expmss + wh-从句。

His face expressed his disappointment.

他脸上浮现出失望的表情。

I can't express (to you) how encouraging your letter

was.

你的来信多么令人鼓舞,我无法用言语表达。

[拓展] express adj. 明确的;特殊的;快速的

It was her express wish that you should have her house

after her death.

她明确表示她死后会把她的房子留给你。

I came here with the express purpose of seeing you.

我特来此地看你。

an express train 快车

【考点2】manage的用法

▲ 构词:

① management n. 经营,管理,处理,操纵,驾驶,手段

② manager n. 经理,管理人员,管理器

▲ 搭配:

① manage to do sth 完成……;设法办到……

② manage with 以……设法应付

③ manage without 在没有……的情况下应付过去

【考例2】[2004湖北] The 22-year-old student____

to stop her by the side of the road in the winter night

and opened the trunk.

A. afforded B. wanted

C. allowed D. managed

[考查目标] 本题考查manage的词义和基本用法。

[答案与解析]D manage后接不定式,表示“努力并且

成功地做了某事”。

5. mean vt.

(1) (言词,事情等) 意味着……,有……的意思

[构成] mean + n. / pron. 或 mean + that 或 mean

doing sth. 或 mean + what...。

What does the word mean in this context?

在上下文中,这个词是什么意思?

The sign means (that) the road is blocked.

这个标志表示此路不通。

(2)(某人)意欲,意图,打算

[构成] mean + n. 或 mean to do sth. 或 mean sb. +

to do 或 meau sb. sth.。

We sometimes hurt people's feelings without meaning it.

我们有时会在无意中伤害别人的感情。

She said I ignored her, but I didn't mean to.

她说我忽视了她,但我并没有这个意思。

I mean her no harm. = I mean no harm to her.

我对她并无恶意。

(3)(对某人而言) 有……的意义

[构成]mean + n. + to sb. 。

His girlfriend means the world to him.

他的女朋友对他来说实在太重要,。

Fame doesn't mean much to me.

名声对我而言无足轻重。

【考点8】occur的用法

▲搭配:

① sth occurs to sb. 浮现在某人的脑海中;……被

某人想到

② It (never) occurred to sb. that... 某人(从未)想到/起

【考例8】[2005 江苏盐城模拟]An eclipse of the sun

____ when the moon passes between the earth and

the sun.

A. happened B. occurred

C. appeared D. rose

[考查目标] 本题考查occur的词义以及它和一些近义

词的区别。

[答案与解析]B occur可以表示“突然发生”,但不是

意外。

6. opposite adj. 相反的;相对的,对面的;反对的

We took seats opposite to the directors.

我们坐在董事们的对面。

He and I are on opposite sides in this debate.

在这个辩论里,他和我站在相对的立场。

[拓展]

(1) opposite不但用作形容词,还用作:

n. [C] 相反的事物,多和of连用。

Sweet and salty are opposites.

甜与咸正好相反。

(2) prep. 在……的对面

The post office is opposite the station.

邮局在车站的对面。

(3) adv. 在对面,在相反的位置

There is a bar opposite.

对面有一家小酒吧。

14. risk v.

(1) 使冒危险,作赌注

You are risking your health.

你在以你的健康作赌注。

(2) 冒……之险

He risked his parents' anger by living alone.

他冒可能惹他父母生气之险独自生活。

If you put money into the stock market, you will risk

losing it.

如果你把钱投入股市就要冒风险。

【考点10】risk的用法

▲ 搭配:

① at risk 在危险中;有危险

② at all / any risks 无论冒什么危险;无论如何

③at the risk of (= at risk to) 冒……之险;不顾;之风



④ at one's own risk (损失、风险等)负责自负;自担风险

⑤ run / take risks / a risk 冒险

⑥ run / take the risk of doing sth 冒险做某事

⑦ risk doing sth 冒……的危险

⑧ risk one's fortune / health / life 冒着财产/健康/性

命的风险

⑨ It's (not) worth the risk (不)值得冒这个险

【考例10】When children start smoking, they don't real-

ize that they're their health.

A. cost B. care C. risk D. keep

[考查目标] 本题主要考查 risk 作动词的用法。

[答案与解析]C risk one's health 意为“拿自己的健康

去冒险”。

【考点4】step的用法

▲搭配:

① step in 走进;调停,排解,介入,干涉

② step this way 请这边走! 请跟我来!

③ keep step (with…) (与……)步调一致

④ in step (with...) 齐步;(和……)步凋一致

⑤ out of step (with...) (和……)步调不一致

⑥ miss one's step 失足

⑦ take steps to do sth 设法;采取措施干某事

⑧ mind / watch one's step 小心地行走;谨慎行事

⑨ step by step 一步一步地;逐步地;逐渐地

【考例4】[NMET 1998]"Look at them! They're all out

of ____ except my John! Isn't he the best!”

A. sight B. order C. mind D. step

[考查目标] 本题考查step构成的短语的意思。

[答案与解析]D out of step的意思是“步法混乱”。

这是母亲溺爱儿子指责别人的一句话。

【考点5】tell的用法

▲搭配:

① tell sb sth = tell sth to sb 告诉某人……

② tell sb of / about sth 告诉某人……

③ tell sb to do sth 吩咐某人……

④ tell (of) 谈起/说过

⑤ tell the time (钟)报时

⑥ tell...(apart)from... 分清,区分

⑦ for what I can tell 据我所知

⑧ I (can) tell you (= let me tell you) 我敢说;确实

⑨ I told you so. 我早就跟你说过了。(意指我没说错,

你偏不听)

⑩ There is no telling. 无法知道;难以预料。

⑩ You can never tell. (=You never can tell.) 谁也不知

道;谁也没把握。

▲ 辨析:tell;inform

这组近义词的一般含义是“把某消息或某件事转达给

别人”。

tell最通用,最不正式。它的含义是“把某事告诉某

人”。它也含有给人“指示”的意思,即“叫某人做某

事”。例如:

Glancing at her scornfully, he told her that the dress

was sold. 他轻蔑地看了她一眼,告诉她说那件衣服被

卖了。

While we were waiting to land, the airhostess told us to

keep calm. 当我们等待着陆的时候,一位飞机乘务员叫

我们保持镇静。

它的含义可以是“讲述某件事”。

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