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

1. diet 日常饮食go on a diet = be on a diet 节食a balaneed diet 平衡饮食

diet既可指习惯上吃的食物，又可指规定的食物。特指维持健康的食物。

food是一般用语，指进入身体供人或动物生长的食物。强调种类时为复数名词。

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frustrat ing 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.thi nk of

(1)想起；记起

(2)考虑

(3 )为…着想

(4)想；打算think about 想；考虑think out 想出

Sorry, I did n hink bf your n ame just now.

We should thi nk of the matter carefully.

Chen Guan gbiao is always thinking of the poor people in the poor areas.

I am thinking of givi ng up smok ing.

think much of 对…评价很高think highly / well of 高度评价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 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

11.

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

jie ---- --lay —— --lain —— -lyi ng

躺，位于 lie ---

---lied-- -lied--- --lyi ng

撒谎

lay--- ---laid-- ---laid- ----layi ng 放置 ，下蛋］ 14. |too much 后接不可数名词；位于动词后，修饰不及物动词 much too 修饰形容词或副词

15、 earn one ' s livin 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 d 欠某人情 19. consult sb./ sth. 查阅某事物/请教某人

con sult sb. about sth.就某事咨询某人 con sult with sb. 与某人交换意见，商谈

have sb. do sth. 让某人做某事

have sb. / sth. doing 让某人做某事；让某情况发生

have sb. / sth. done 使某事被做 10

get across 使了解 get around/round/about 至U 处走动 get down 下来；使沮丧 get over 恢复

get away from 摆脱

get along with 与… 相处

get down to 着手，开始 get through 完成 get out of 从…中出来

20. be willi ng to do 愿意做某事

be un willi ng to do 不愿做某事

8、 be tired of 对…厌倦；厌烦

21. g lare vi.怒视；发耀眼的光

glare指由于羡慕、恐惧、惊讶而用恐吓、凶狠或愤怒的眼光看。gaze指由于惊讶、好奇、喜悦、同情或感兴趣而目不转睛的看。

Stare指固定的凝视，暗示好奇、勇敢、无礼貌或愚蠢。

blanee 一瞥”

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. be nefit

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

(2)vi. 受益；得至収子处ben efit from/by You will ben efit from the fresh air here.

24、cut dow n

(1)削减；减少You should cut dow n your smoki ng. 你应该减少吸烟。

(2)砍倒Only a few trees can be cut dow n 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25、before long 不久以后，用于一般将来时态。

long before 表示很久以前”，用于过去时态。

26. put on

(1)穿上；戴上

(2)上演；表演；展出

(3)假装

put aside放到一边；存储

拨慢

put down放下；写下来

下车

put out扑灭；生产；发表

容忍

27. the+序数词表示第几个

28. to做介词的固定搭配：

be / get / become used to 习惯于be addicted to 沉溺于

be admitted to被…录取；准进入be known to 为… 所知access to 接近(某地的)方法get down to 着手做

put one ' s mind全神贯注于thanks to多亏了；由于

put back放回原处；

put off推迟；让…

put up with 忍受；

be related to 与…有关系devote

on eself to 献身于

adjust to 适应

compare…to把…比作…

con tribute to 为… 作贡献

object to / be opposed to 反对due

to由于；归因于.........

be familiar to 为 ..... 熟悉

put away收起来；存储

put forward 提出；推荐

put up举手；搭建；张贴

Put on your coat, it ' s cold outside.

They put on a new play last week.

He put on a smile whe n he saw me.

a+序数词表示再一个，又一个

be given to 喜欢；癖好

be opposed to 反对

be attached to 附属于

be connected to 连在一起

accord ing to 根据

lead to 着手做

n ext to …的旁边