2020高考一轮复习：必修3 Unit 2 知识串讲讲义

2020高考一轮复习教材串讲
必修3 Unit 2 Healthy eating讲义
1. ___________________________ n.日常饮食vi.节食
2. ___________________________vt.平衡；权衡天平；平衡
3. ___________________________n.好奇心
4. ___________________________n.谎话;谎言vi.说谎
5. ___________________________ n.折扣
6. ___________________________ n.强项；长处;力量
7. ___________________________vt.咨询；请教；商量
8. ___________________________vi.怒目而视；闪耀n.怒视；眩目的光
9. ___________________________vt.限制；限定n.界限；限度
10. ___________________________n.利益；好处vt.&vi.有益于；有助于；受益
1. ___________________________体重减轻；减肥
___________________________增加体重
2. ___________________________被放过；（做坏事）不受惩罚
【常用结构】
___________________________开始认真做某事
___________________________与……相处；进展
___________________________通过；接通（电话）；完成，做完
___________________________克服
3. ___________________________赢回；重新获得
【常用结构】
___________________________终获成功，摆脱困境
4. ___________________________谋生
5. ___________________________削减；删节
6. ___________________________应该
1. ______________________________________________________.
王鹏坐在他那空荡荡的餐馆里，感到很沮丧。

2. ______________________________________________________.
他想：“再没有比这更好吃的了。

”
3. ______________________________________________________!
他可不能让雍慧哄骗人们却不受惩罚！
4._________________________________________________________________________ _____
不过我发现你菜谱上的菜太少了，所以我就不着急了，并且我也开始宣传我餐馆的食物的好处。

5. ______________________________________________________.
他可不希望由于餐馆不受欢迎而负债。

考点1diet n.日常饮食vi.节食
【例句研读】
(1)The doctor put me on a low-salt diet to reduce my blood pressure.医生_____________
来降低我的血压。

(2)Mary thinks she is too fat that she has to go on a diet.玛丽认为她太胖了,得______。

【归纳拓展】
【词语辨析】diet/food
diet 指通常吃的食物,尤指规定的食谱(如治疗疾病或减轻体重的食物),还可作动词“节
食”。

food 指人或动物所需的食物;或植物所需的养料。

We cannot survive without food and drink.我们没有食物和饮料就不能生存。

【即时巩固】语法填空
I don’t eat sweets now,for I’m a diet.
考点2balance n.平衡v.平衡;权衡
【例句研读】
(1)We must the good and evil of things.我们必须权衡事物的好坏两个方面。

(2)The acrobat on the high rope.杂技演员在高处的绳子上使自己保持平衡。

(3)It is difficult to on an icy pavement.人行道上结了冰,要想不摔倒可不容易。

【归纳拓展】
【即时巩固】完成句子
(1)How long can you on one foot? 你能单脚站立多久?
(2)Try to achieve between work and play.争取把工作和娱乐更好地平衡起来。

(3)Try to by eating more fruit and less protein.
多吃些水果,少摄入些蛋白质,使饮食均衡合理。

考点3lie n.谎话;谎言vt.& vi.说谎;躺,处于(某位置)
【例句研读】
(1)The man must be a spy and was .这名男子一定是个间谍而且在说谎。

(2)You are but cannot cover up facts.你在说谎,但谎言掩盖不了事实。

(3)The factory the west of the town.工厂在镇的西边。

【归纳拓展】
【提示】易混词形变化:
lie撒谎→lied→lied→lying lie躺→lay→lain→lying lay放;产卵→laid→laid→laying
【即时巩固】
(1)Don’t your coat on the bed.不要把你的外衣放在床上。

(2)—What makes Tom unpopular with his fellows? —什么使汤姆不受同事欢迎?
—. —说谎。

考点4limit n.界限,限度v.限制,限定
【例句研读】
(1)I’ve1,000 calories a day to try to lose weight.
我试着减肥,限定自己每天摄入1,000卡的热量。

(2)The speed on this road is 70 mph.这条路的车速限制是每小时70英里。

(3)There’s how much I’m prepared to spend.我准备花多少钱是有限度的。

【归纳拓展】
【即时巩固】用带limit的短语或其适当形式填空。

(1)One’s energy is .一个人的精力是有限的。

(2)(没有止境) what you can do if you try.如果你试的话,你能够做到的是没有止境的。

(3)We must our weekly expenses ten pounds.
我们必须把我们每周的花费限制在十英镑范围。

(4)Only a number of places are available.只有有限的地方可以到达。

考点5benefit vt.有益于vi.得益于(常与from,by连用)n.利益,好处;津贴
(1)The rain the plants.=The plants the rain.这场雨有益于植物。

(2)This dictionary will be me.这本字典将对我有很大的好处。

(3)The warning sign was put there the public.这个警示牌被放在那里为了提醒公众。

【归纳拓展】
benefit sb./someplace 使某人/某地受益
benefit from/by sth. 从中受益
receive/gain benefit from sth. 得益于某事
for the benefit of... 为了帮助……;为了……的利益
be of great/much benefit to sb.=be very beneficial to sb. 对某人很有好处
【即时巩固】语法填空
(1)I have gained much benefit my father’s advice.
(2)Moderate exercise will be (benefit) to you.
考点6combine vt.& vi.(使)联合;(使)结合
【例句研读】
(1)Some films education recreation.有些电影把教育与娱乐结合起来。

(2)Circumstances have ruin our plans for a holiday.
各种情况凑在一起破坏了我们的假日计划。

【归纳拓展】
【即时巩固】语法填空
(1)It is difficult to combine work pleasure.
(2)Our firm is working on a new product in (combine) with an overseas partner.
考点7lose weight 体重减轻;减肥
(1)She is trying .她在努力减肥。

(2)You had better by exercising.你最好要通过锻炼来减肥。

(3)You can keep fit by .你可以通过减肥来保持健康。

【归纳拓展】
【即时巩固】完成句子
(1)No matter what I do,my efforts always end in failure.
无论我做什么,我减肥的努力最终以失败告终。

(2)He’s since he gave up smoking.自从他戒烟后他长胖了。

(3)The news took off his mind.这个消息使他如释重负。

考点8get away with 偷携某物潜逃;受到(较轻的惩罚)或逃避惩罚
【例句研读】
(1)They raided the bank and got away with a lot of money.他们抢劫银行,__________了大批现款。

(2)If you cheat in the exam you’ll never get away with it.考试作弊必予____________。

(3)Nobody gets away with insulting me like that.这样侮辱我的人,我是不会____________的。

____
【归纳拓展】
【即时巩固】完成句子
(1)I won’t have you cheating in the exam.我不能容忍你考试作弊而不
受惩罚。

(2)He was so lucky to only a fine for such a serious mistake.
他犯了如此严重的错误,侥幸只被罚款了事。

(3)How can I the flies in the kitchen? 我怎样才能把厨房里的苍蝇消灭掉?
(4)He’s not very good at his ideas .他不太善于清楚地表达自己的思想。

考点9in debt 欠债
【例句研读】
(1)You saved my life,I am forever .你救了我的命,我永远感恩不尽。

(2)The couple worked hard day and night in order to.
为了还清所有的债务,这对夫妇夜以继日地拼命干活。

【归纳拓展】
【即时巩固】
根据句子意思用debt短语和“in+n.”结构填空。

(1)He after he was out of work.
(2)He did all he could to in five years.
(3)He was when he was young,but has been since he got rich.
(4)James was ,but I don’t know how to help him out.
(5)After the war,the whole city was .
考点10before long 不久以后
【例句研读】
(1)That happened .那件事情发生在很久以前。

(2)I’ve seen that film.我很久以前就看了这部电影。

(3)His plan seemed to be too difficult,but it proved to be practicable.
他的计划看起来太难了但不久以后证明是实际可行的。

【归纳拓展】
考点11cut down 使倒下;削减,压缩;减价
【例句研读】
(1)He used to cut down trees,but he plants trees now.他过去,而现在植树。

(2)I have to cut down smoking.我得抽烟。

(3)He was asking $100 for the vase,but I cut him down to$75.
这个花瓶要价100美元,但我75美元。

【归纳拓展】
1.should,ought to都可表示“应该”。

ought to用于表示按道理应当,常指客观的义务或责任,大多数情况下可用should代替,但比should语气重。

I should help her because she is in trouble.因为她有麻烦我应当帮助她。

You ought to take care of the baby.你应当照看好宝宝。

2.表示劝告、建议或命令时,should 和ought to可通用,但在疑问句中常用should。

ought to 的否定式为oughtn’t to 或ought not to。

You should/ought to go to class right away.你应当马上去上课。

Should I open the window? 我可以打开窗户吗?
What should we do next? 下步该怎么做?
3.should,ought to 都可表示推测。

He ought to/should be home by now.到现在他应当回家了。

This is where the oil ought to/should be.这就是石油所在的地方。

【注意】
should和ought to后面跟动词不定式的完成式,其肯定句表示“过去应该做而未做”,其否定句则表示“过去不该做但做了”。

You should/ought to have made the decision a week ago.你应当在一星期前做出决定。

I shouldn’t have made such a foolish mistake.我不应当犯如此傻的错误。

多数情况下,ought to可与should互换使用。

ought to的反意疑问句用sh ouldn’t替代。

【练习】语法专练(用适当的情态动词填空)。

1.—Isn’t that Ann’s husband over there?
—No,it be him.I’m sure he doesn’t wear glasses.
2.You’ve been working all day.You be very tired.
3.You ought to buy a house now;prices certainly go up in the future.
4.It’s a long time since we met last time.You come and see us more often.
5.Why don’t you try on this dress? It look nice on you.
6.He have caught a bad cold last night,for his forehead felt burning.
The first record of cookies dates back to ancient Rome in 170 BC,when they were enjoyed in Roman homes.They were also given to children as a reward for their successful school work.The modern-day cookies came into being about 200 years ago with the introduction of tea and coffee into Europe.The use of fresh butter,chocolates and nuts gives cookies their unique appearance and taste.Therefore,tasty cookies are popular around the world and recommended as a gift and a snack at any time.
参考答案
1. diet
2. balance
3. curiosity
4. lie
5. discount
6. strength
7. consult
8. glare
9. limit 10. benefit
1. lose weight
put on weight
2. get away with
【常用结构】
get down to （doing）sth.
get along/on with
get through
get over
3. win... back
【常用结构】
win through
4. earn one’s living
5. cut down
6. ought to
1. Wang Peng sat in his empty restaurant feeling very frustrated.
2. “Nothing could be better”, he thought.
3. He could not have Yong Hui getting away with telling people lies!
4. ... but I found your menu so limited that I stopped worrying and started advertising the
benefits of my food.……
5. He did not look forward to being in debt because his restaurant was no longer popular.
考点1 控制我的饮食，节食，on
考点2 balance, balanced himself, keep one’s balance, balance, a better balance, balance your diet,
考点3 telling a lie, lying lies, lies to, lay, Telling lies
考点4 limited myself to , limit, a limit to, limited, There’s no limit to, limit to, limited
考点5 benefits, benefit from , of great benefit to , for the benefit of, from, beneficial
考点6 combine with, combined to, with, combination
考点7 to lose weight, lose weight, losing weight, to lose weight, put on weight, a weight 考点8 掠走，追究，放过，getting away with , get away with, get rid of, getting, across 考点9 in your debt, pay off all the debts, ran/got into debt, pay off his debts, in debt, out of debt, in trouble, in ruins
考点10 long ago, long before, before long
考点11 砍树，减少，砍倒了
1. can’t
2. must
3. will
4. should
5. must
6. must。