必修三unit2_教案

必修三unit2_教案
必修三unit2_教案

必修三unit 2 Healthy eating

适用学科英语适用年级高一适用区域全国课时时长(分钟)2课时

知识点1、本单元重点词汇。

2、常用结构Neither…nor

既不…也不…等。

3、情态动词+ have done。

教学目标1、让学生掌握本单元所出现的词汇的用法。

2、通过本单元的学习,要求学生熟练掌握情态动词+ have done的语用功

能。

教学重点通过上下文来教词汇、语法,并引导学生分析长句、难句和复杂句。教学难点总结语言材料中有关情态动词+ have done用法和功能并加以应用。

教学过程

一、课堂导入

学习下列谚语:

You are what you eat. 人如其食。

First wealth is health. -----Emerson 健康是人生的第一财富。

An apple a day keeps the doctor away. 一天一个苹果,医生不来找。

二、复习预习

教师引导学生复习上节课所学知识点,(以提问、回顾的形式进行),针对上节课

的作业进行讲评、订正、答疑,并通过对情态动词具体用法的分析和扩展导入本节

课所要学习的课本知识的学习。

三、知识讲解

考点/易错点1 重点单词与短语学习

balance n. 天平,平衡;余额,余数v. 平衡;权衡balanced adj. 均衡的

(回归课本P10)

What will happen to you if you don’t eat a balanced diet?

Eg: 1). Try to achieve a better balance between work and play. 争取把工作和娱乐更好地结合起来。

2). I must check my bank balance (= find out how much money I have in my

account).

我要核对一下我在银行的余额(看我的帐户上有多少钱)。

3). Try to balance your diet 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。

[归纳拓展]

a balanced diet 均衡的饮食

keep the balance of nature保持生态平衡

keep one’s balance保持平衡

lose one’s balance (= be out of balance) 失去平衡

think of想,考虑

(回归课本P10)

He thought of his mutton, beef and bacon cooked in the hottest, finest oil.

(1)想起;记起Sorry, I didn`t think of your name just now.

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

(3)为…着想Chen is always thinking of the poor people in the poor areas.

(4)想;打算I am thinking of giving up smoking.

[归纳拓展]

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

tired of 厌倦

(回归课本P10)

Tired of all that fat? 厌倦肥腻了吧?

be tired of 对……厌倦

eg. I’m tired of your conversation.你的讲话我听腻了.

I grow tired of asking this, so it’ll be the last time.

我已厌烦了问这个问题,所以这是最后一次.

[归纳拓展]

be/get tired from/with…因……感到疲劳、劳累

tire sb. out使某人疲不堪,筋疲力尽

lose weight 体重减轻;减肥

(回归课本P10)

Want to lose weight?

Eg: She is trying to lose weight. 她在努力减肥。

[归纳拓展]weight短语及lose短语:

put on weight(指人)增加体重,长胖

be/take a weight/ load off sb’s mind使自己/某人如释重负

lost heart 泄气;灰心

lose one’s heart (to sb/sth): fall in love 爱上;锺情於……

lose one’s life 丧生;遇害

lose one’s balance 失去平衡

lose one’s breath气喘嘘嘘;上气不接下气

lose one’s head 昏了头,张皇失措,冲动

lose one’s temper发脾气

lose one’s job 失业

lose one’s way: become lost 迷路

lose touch (with sb/ sth) 失去和某人/事物的联系

lose interest in sth/ sb 对某事物/人失去兴趣

lose sight of sb/ sth 看不见某人/物;忽略或未考虑某事物

lose face 丢脸

curiosity n. 好奇心Curiosity killed the cat. 好奇害死猫。

(回归课本P10)

Curiosity drove Wang Peng iside.

[归纳拓展]

out of curiosity 出于好奇with curiosity = curiously好奇地be curious about sth. 对某事好奇be curious to do sth. 好奇地做某事Curious adj.1) 好奇的,渴望知道的;爱探究的[(+as to/about)][+to-v][+wh-]

The boy was curious about everything he saw.

那男孩对所见的一切都感到好奇

2) 奇怪的;稀奇古怪的,难以理解的

I heard a curious noise last night. 昨晚我听见一个奇怪的响声。

get away with 被放过;(做坏事)不受惩罚

tell lies

(回归课本P10)

He could not have Yong Hui getting away with telling people lies.他可不能让咏慧哄骗

人们而不受惩罚。

1. get away with

eg. If you cheat in the exam, you’ll never get away with it.

考试作弊必予追究。

Now that you have made mistakes, you shouldn’t get away with such a punishment.

既然你犯了错误,就逃脱不了这样的惩罚。

[归纳拓展]

get along with 进展,相处get in 进来,收获,插话

get up 起床get on 上车get off 下车,脱掉

get away from 逃离get rid of 摆脱,去掉

get over 克服(困难),从(疾病、失望等)中恢复过来

get through 做完,通过,接通电话

2、tell lies撒谎,说谎. 还可以说tell a lie

eg. I hate telling lies.我讨厌撒谎。

earn one`s living谋生

(回归课本P14)

Perhaps he would be able to earn his living after all and not have to close his restaurant.

1) earn means to get (money) by working 赚,挣(钱);

博得,赢得

2) to get sth because of one’s qualities or actions

eg: I earn 2019 yuan a month by selling newspapers.

She earned her place in the team by training hard.

[归纳拓展]

earn one’s / a living =make one’s /a living by … (靠…) 谋生

eg: She used to earn her living by selling drinks. 她曾经靠卖饮料来谋生。

(be) in debt负债

(回归课本P14)

He did not look forward to being in debt because his restaurant was no longer

popular.

debt:【C】sum of money owed to sb. that has not yet been paid 债务; 欠款

[归纳拓展]debt短语和“in + n.”表示“在……(情况、状况、状态)中”:

in debt to sb = in sb`s debt 欠sb的债/人情

get/run into debt 欠债;负责

out of debt不欠债

run up huge debts高筑债台

pay off one’s debts还清债务

in danger 在危险中

in trouble陷入困境,倒霉

in order 井井有条

in surprise 吃惊

in public 当众,公开

in ruins 呈废墟状态

in sight 看见

in silence沉默着

eg. Knowing they are deep in debt, they cried out their heart.

You saved my life, and I’m forever in debt to you.

得知他们负债累累,他们哭得伤心欲绝。

glare vi.怒目而视; n.眩光,闪光,强烈的阳光

(回归课本P14)

She didn’t look happy but glared at him as she moved round the customers. 她

绕过顾客走进来,双眼直瞪着他,看上去很不高兴。

[归纳拓展]不同的“看”

glare at 表示“怒目而视”

glance at 表示“粗略地看一下”

look at “看一看……”为一般用语

stare at 盯着看,(指由于惊奇,害怕,生气或沉思而睁大眼睛全神贯注)

eg. They stopped arguing and glared at each other. 他们停止了争论,互相怒目而视. spy v. 监视

(回归课本P14)

… you only came to spy on me and my menu. …你知识过来打探我和我的菜谱的。

spy on/upon : to watch secretly 暗中监视,侦查

eg: Have you been spying on me ?

He said that someone might be spying on the station.

[归纳拓展]

spy sth out = ( find out ) 查明,了解清楚sth

spy out the land (事先)摸清情况,窥探虚实

limit n. 限度,限制,限定v. 限制,限定(limit 常与介词to 连用)

(回归课本P14)

… but I found your menu so limited that…

[归纳拓展]

limit … to …把…限制在…内

limited a. 有限的

within limits 适度地,有一定限制地

without limit 无限的

over /beyond the limit 超过限度

set a limit to sth. 对…加以限制

eg. Life is limited, but there is no limit to serving the people.

There is no limit to the amount of pain we can bear.

The number of competitors is limited.

He is a man of limited ability.

As they had limited experience, they often had limited ideas.

I’m willing to help within limits. 我愿意适当帮帮忙。

We set a limit to the expense of the trip. 我们对这次旅行的费用加以限制了。benefit n. 益处,好处v. 使……受益,对……有利

(回归课本P14)

…I stopped worrying and started advertising the benefits of my food.

[归纳拓展]

beneficial adj.

be of benefit to 对……有益处= be beneficial to

for one’s benefit 为了某人的利益

benefit from…从……中受益

eg: The dictionary will be of great benefit to me. 这本字典将对我有很大的好处。

Reading more books will benefit you.多读书对你们很有好处。

You will benefit from reading more books.

Fresh air is beneficial to our health. 新鲜空气有利于身体健康

a second又一,再一

(回归课本P2)

Wang Pengwei was just enjoying a second plateof dumplings…

[归纳拓展]

序数词与the连用表示“第几”,与 a / an连用表示“又一,再一” = another。

1) You are the second to tell me the news. 你是第二个告诉我这个消息的人。

2) ____________________, but he said he would go on trying until he succeeded.

他又失败了一次,但他说他会继续努力直到成功。

before long不久,一会儿

(回归课本P7)

…before long Wang Peng became slimmer and Yong Hui put on more weight.

before long : soon不久以后,很快,多于将来时态或过去时态连用

I shall visit you again before long.

It became clear that the program was a failure before long.

[归纳拓展]

long before: 很久以前,多余完成时态连用

He had taken a doctor's degree long before. 他很久以前就获得了博士学位。

注:long before 有时表示早在...之前

He had come to America long before the war. 他早在战争之前就来到美国。

考点/易错点2 重点句子分析

【教材原句】Wang Peng sat in his empty restaurant feeling very frustrated.

王鹏坐在他那空荡荡的餐馆里,感到十分沮丧。

【句法分析】

feeling very frustrated 是分词短语作伴随状语。

eg. He sat at the table reading China Daily.

【教材原句】But don’t you think it would be better if you were a bit thinner?

不过, 难道你不认为瘦一点更好吗?

【句法分析】

think 后的宾语从句是虚拟语气, 表示与现在事实相反的假设。

1) 与现在事实相反, 条件从句中的谓语动词用一般过去式(be的过去式用were), 而主句

中的谓语动词用“would (should, could, might) +动词原形”。

If we had time, we would go with you.If I were you, I would study hard.

2) 与过去事实相反, 条件从句中的谓语动词用过去完成时, 主句中的谓语动词用“would

(should, could, might) + have+过去分词”.

If you had come earlier, you would have met him.

3) 与将来是事实相反, 条件从句和主句所用的谓语动词与表示与现在事实相反的假设的谓

语动词相同, 或条件从句中用“were to (should) +动词原形”.

If you dropped the glass, it would break.If it should rain, the crops would be saved.

__________________________________________________________________________

9. Perhaps we ought to combine our ideas and provide a balanced menu with food

full of energy and fibre.

combine 1)vt.使结合或混合;使联合

The new teaching method combines education with pleasure.这种新的教学方法寓教育于娱乐之中。

combine A and B 或combine A with B 把A和B结合成一体

2) vi.结合

The two small shops combined to make a large one.

But don’t you think it would be better if you were a bit thinner? 不过, 难道你不认为瘦一点更好吗?

【教材原句】Neither your restaurant nor mine offers a balanced diet.

【句法分析】

Neither…nor 既不…也不…

1)引导并列主语时,谓语的数于最靠近谓语的主语保持一致,遵循就近原则。

Eg.Neither the students nor the teacher has suffered from the fire with the timely help of the firefighters.

2)引导两个分句时,这两个分句中的主谓均要倒装。

Eg.Neither do I know her address, nor does he.

Neither could the patient eat, nor could he drink.

【教材原句】“Nothing could be better,”he thought.

他想:“再没有比这些更好吃的了。”

【句法分析】

这个句子是否定词+ 比较级表示最高级的含义。

要掌握该结构的用法,须注意以下几点:

1.该结构多为“can't /couldn't +比较级”的形式。

Eg:I can't agree with you more.我再同意你不过了。(或:我完全同意你的意见。)The weather couldn't be worse.天气再糟糕不过了。

He couldn't have done better.他做得再好不过了。

2.用于该结构中的否定词除了not之外,还有no, never,nothing等。

Eg:This could give her no greater pleasure.这使她再高兴不过了。

She's never better.她现在最好不过了。(或:她比以往任何时候都好。)

There's nothing cheaper.这东西再便宜不过了。

3.当该结构中的比较级为less时,该结构意为“一点也不”。

试比较:1)He couldn't care more.他非常介意。(或:他最关心不过了。)

He couldn't care less.他毫不介意。(或:他最漠不关心了。)2)He had never felt more like talking to anyone.他从未如此想和人谈话。

He had never felt less like talking to anyone.

他从未如此不想和人谈话。

类似的还有too, enough。

You can never be too careful when you cross the street.

过马路越小心越好/ 过马路再怎么小心也不足为过。

【教材原句】…I found your menu so limited that I stopped worrying and started

advertising the benefits of my food.

【句法分析】

so…that 引导结果状语从句

eg. He ran so slowly that no one fell behind him.

The girl talked so much in class that the teacher got angry.

[归纳拓展]

搭配:so + 形容词/副词+ that 从句

so + 形容词+ a/an + 可数名词单数+ that 从句

so + many/ much /few / little(少) + 名词+ that 从句

such + a/an + 形容词+ 可数名词单数+ that 从句

such + 形容词+ 不可数名词/可数名词复数+ that 从句

such + a lot of / lots of + 名词+ that 从句

考点/易错点3 语法点学习情态动词+ have done

1. 情态动词must +have done只用于肯定句中,表示对过去发生的事情或状态进行肯定的

推测,意为“过去一定做过某事”。

It must have rained last night, for the road is wet. 昨天晚上一定是下雨了,因为路还湿

着。

You must have seen the film the Gold Rush. 你肯定看过电影《淘金热》。

2. 情态动词can/could可用于否定句中,即can’t have done /couldn’t have done,表示对过去发生的事情或状态的肯定的推测,意为“过去不可能做过,肯定没做过”。

My sister met him at the theatre last night, so he couldn’t have attended your lecture. 我姐姐昨天晚上在电影院遇见了他,所以他肯定没参加你的演讲.

3. 此外,can/could have done还可用于疑问句中表示对过去发生的事情或状态的不太有

把握的推测,常表示“过去可能做过吗?”(注意:表推测的情态动词只有can/could常用于疑问句中)

I can’t find Tom anywhere in the office building. Where can he have gone? 我在办公楼任何地方都找不到汤姆。他有可能去了哪里了呢?

4. 情态动词may/might +have done表示对已发生的动作或存在的状态进行不肯定的推

测,might语气稍弱一点儿,只能用于肯定句和否定句中,表示“过去可能做过某事

或过去可能没做过某事”。

You might have read about it in the papers. 你可能在报上已经看过这个消息了。

四、例题精析

【例题1】

【题干】

According to the law, anyone who destroyed the forest will not______ what he

has done.

A. get away from

B. get along with

C. come up with

D. get away with

【答案】A

【解析】句意:根据法律规定,任何破坏森林的人都逃脱不了他所犯的罪行。

get away from (做坏事)不受惩罚。

【例题2】

【题干】

He said that he would pay ________ second visit to Australia ________ next month.

A. the, /

B. the , the

C. a, the

D. a, /

【答案】D

【解析】序数词与the连用表示“第几”,与 a / an连用表示“又一,再一” = another。【例题3】

【题干】

“We can’t go out in this weather.” said Bob,______ out of the window.

A. looking

B. to look

C. looked

D. having looked

【答案】A

【解析】looking out是分词短语作伴随状语。

五、课堂运用

【基础】

1、You’ll not ______ your homework today if you don’t hurry up.

A. get off

B. get back

C. get through

D. get in

【答案】C

【解析】get through, 通过,到达,做完,接通电话。

2、He ______to us that those eggs which are ______ on the table had been _____ by snakes.

A. lied; laying; lied

B. lied; lying; lain

C. laid; laid; laid

D. lied; lying; laid

【答案】B

【解析】lie躺;说谎;位于;展现。lay躺下;产卵;搁放;放置;铺放;涂,敷。

3、—Do you think the rain will affect the football match?

—The players are used to such rainy weather, so it ______ make any difference to them.

A.shan't B.shouldn't

C.needn't D.mustn't

【答案】B

【解析】考查情态动词。shouldn't 表示“按理说不会/不该”。

【巩固】

1、The child ought to be punished. How should you let him _____telling lies?

A. get off

B. get on

C. get away with

D. get over

【答案】C

【解析】考查get 短语的用法。get off 下车;get on 上车;get away with 逃脱惩罚;

get over 克服。

2、The man finally got ______ sitting in an office all day, and longed for a more active

life.

A. interested in

B. tired of

C. pleased at

D. satisfied with

【答案】B

【解析】考查固定搭配get tired of doing 厌烦做某事。

3、He looks so upset; I _______ him the bad news so early .

A. should have told

B. should tell

C. oughtn’t to have told

D. shouldn’ttell

【答案】C

【解析】解析:考查情态动词+ have done的用法。由语境知选C,我本不该这么早告诉他那个坏消息。

【拔高】

1、The mother was trembling with anger. She ______ her son and said nothing.

A. looked at

B. stared at

C. glared at

D. glanced at

【答案】C

【解析】考查glare at 表示“怒目而视”。

2、The speed of cars and trucks is _______ 30 kilometers per hour in large cities in

China.

A. limited

B. limiting

C. limiting to

D. limited to

【答案】D

【解析】考查固定结构be limited to。

3、His lessons aren’t interesting and the students ____ his classes.

A. are tired from

B. are getting along with

C. are tired of

D. tired of

【答案】C

【解析】考查be/ get tired of sth/doing 厌烦某事。

课程小结

通过本单元的学习使学生了解以健康饮食为中心话题,通过单元教学让学生了解各种食物对人体的作用,引导学生关注平衡膳食,促使学生养成健康饮食的习惯。本节课主要学习课本中的相关知识点的用法,需要重点掌握的是一些固定动词短语的辨析。此外,高考对语法填空的考察需要学生对语法点掌握较扎实,所以希望学生能理解语法点的本质,对语法点的考查往往是与语境想结合,因此,同学在做题时要结合语境来分析题目,灵活地运用语法知识

必修三unit2 教案

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