(完整版)高中英语必修三第二单元知识点详解

Unit 2 Healthy eating知识点归纳

2. provide sb. with sth. = provide sth. for sb.

supply sb. with sth .= supply sth. to sb.

offer sb. sth / offer to do sth.

4. frustrated 修饰人或者人的声音，表情frustrating 令人沮丧的

be frustrated with 对….感到沮丧

5. ought to

（1）表示责任，义务

He ought to look after his sister.

（2）表示建议或劝告

You ought to study hard. 你应该努力学习。

（3）ought to 的否定形式ought not to

（4）ought to have done = should have done 过去应该做而未做

6.think of

（1）想起；记起Sorry, I didn’t t hink of your name just now.

（2）考虑We should think of the matter carefully.

（3）为…着想Chen Guangbiao is always thinking of the poor people in the poor areas. （4）想；打算I am thinking of giving up smoking.

think about想；考虑think much of 对…评价很高think highly / well of 高度评价think out 想出 think badly / little of认为不好think over 仔细考虑

7. 情态动词

must, may, might, should 用于肯定猜测；can / could用于否定和疑问猜测。

（1）表示对现在情况的猜测，用“情态动词+动词原形”

He must be in the classroom. 他一定在教室。

（2）表示对过去情况的猜测，用“情态动词+ have +过去分词”

The ground is wet, it might have rained last night. 地是湿的，昨晚可能下雨了。

（3）can / could 用于疑问句表示“可能…吗”；用于否定句表示“不可能”。

---It can’t be him. He has gone to Xi’an.不可能是他，他去西安了。

特别提示：

tired of为形容词短语，在句中作状语。形容词作状语时，多放在句首或句末。在句中作原因状语、条件状语或伴随状语。

9. lose weight 减肥put on weight 增肥；长胖

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11. get away with 不受惩罚；被放过

get across使了解get around/round/about到处走动get down to 着手，开始get down下来；使沮丧get over恢复get through完成

get away from 摆脱get along with 与…相处get out of 从…中出来

12. tell a lie / lies to do something 为了做…而撒谎

tell a lie / lies with sb. = lie to sb. 对某人撒谎

15、earn one’s living 谋生=make a living

16. although / though / as / while / no matter / _ever 引导让步状语从句，要正确区分主句，从句之间的逻辑关系。

17. cusrom 风俗，习惯

customer 顾客，消费者

18、 in debt欠债

be out of debt不欠债get into debt=run into debt=fall into debt 负债in one’s debt 欠某人情

19. consult sb./ sth. 查阅某事物/请教某人

consult sb. about sth. 就某事咨询某人

consult with sb. 与某人交换意见，商谈

20. be willing to do 愿意做某事be unwilling to do 不愿做某事

22、spy on暗中监视

spy into 探听spy out 觉察；发现spy out the land 了解情况；估计形势

23. benefit

（1）vt. 对…有利The fresh air here will bebefit you.

（2）vi. 受益；得到好处benefit from/by You will benefit from the fresh air here.

24、cut down

（1）削减；减少You should cut down your smoking. 你应该减少吸烟。

（2）砍倒Only a few trees can be cut down for firewood.

cut across走捷径cut at向…砍去cut in 插嘴；干预

cut off切断；挡住cut out 删掉；切除cut up 切碎；使难过

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26、put on

（1）穿上；戴上Put on your coat, it’s cold outside.

（2）上演；表演；展出They put on a new play last week.

（3）假装He put on a smile when he saw me.

put aside 放到一边；存储put away 收起来；存储put back 放回原处；

拨慢

put down 放下；写下来put forward 提出；推荐put off推迟；让…

下车

put out 扑灭；生产；发表put up 举手；搭建；张贴put up with 忍受；

容忍

27. the+序数词表示第几个a+序数词表示再一个，又一个

28. to做介词的固定搭配：

be / get / become used to 习惯于be given to 喜欢；癖好be related to 与…有关系

be addicted to 沉溺于be opposed to 反对devote oneself to献身于

be admitted to 被…录取；准进入be attached to附属于adjust to 适应

be known to 为…所知be connected to连在一起compare… to…把…比作… access to 接近(某地的)方法according to 根据contribute to 为…作贡献get down to着手做lead to 着手做object to / be opposed to 反对put one’s mind to全神贯注于next to ……的旁边due to 由于；归因于…… thanks to 多亏了；由于owing to 由于；因be familiar to 为……熟悉