高二英语教案No smoking, please!教学目标

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I. 单词和词组

permission, nation,reduce, fetch, compare, therefore, remain, dislik, share, persuade, hardly, go ahead, burn down, compared to, give up, call for, be used to, get into the habit of

II. 日常交际用语

1.请求

May / Could / Can I do that?

I wonder if I can do that.

Would / Do you mind if I come earlier?

Will you tell me if can go now?

2.允许

Yes, please. / Of course. / Sure. / Certainly.

Go ahead, please.

That’s all right. / OK.

It’s all right to me.

3.拒绝

I’m sorry, but it’s not allowed here.

You’d better not.

I’m afraid not. It’s not right.

III.语法

复习名词性从句作宾语和表语的用法。

教学建议

教材分析

The main dialogue of this unit is to practise the students how to ask for permission, refuse and give permission ability. Though learning the way of expressing are able to remind the students speaking in daily life. This dialogue is the main idea to learn to use these phrase for permission. Though two men’s talking. Meanwhile this lesson offer some practice to help the students to understand and learn about the content of the dialogue. In order to master these phases, this lesson has short dialogue to give the students to speak each other.

重点词汇讲解

1.catch fire与be on fire

1)catch fire：begin to burn着火;烧着。catch fire有动态含义，揩“开始燃烧”。

例如：

Paper catches fire easily.纸容易着火。

The bed clothes catch fire and the whole house may be burnt down.铺盖着火了，整个房子都可能烧掉。

2)be on fire：be burning着火;失火。 be on fire有静态含义，指“燃烧的状态”。

例如：

The house was on fire.房子着火了。

She woke up at midnight and found the kitchen on fire.她半夜醒来发现厨房失火了。

2.die of与die from

1)die of可用来表示“死亡的原因”，经常用于害病、饥渴、年老、疾劳等致死的场合。

例如：

die of an illness/a disease; die of hunger; die of thirst; die of a fever; die of old age等等。

2)die from常用于过度饮食eating too much;饮酒过度drinking too much;工作过度overwork等。

但是有语法家认为这种区别实际上并不存在。他们认为，在表示死因(the cause of death)时，既可以用die of，也可以用die of，但是以die of为多见。

例如：

He died of cancer.他死于癌症。He died from cancer.他死于癌症。

3.Every year, tobacco companies must persuade new people to start smoking cigarettes.烟草公司每年都要劝说一些不吸烟的人开始吸烟。

persuade sb. to do sth.意为“劝说某人做某事”。

I persuaded her to accept the invitation to Wu Dongs birthday party.我劝说她接受参加吴东生日晚会的邀请。

注意：如果劝说不一定成功，可用词组try to persuade sb, to do sth.。

I tried to persuade her to go with me, but I failed.我劝她跟我一起去，但我没成功。

另外，劝说某人不要做某事可用词组persuade sb. not to do sth. 或 persuade sb. against doing sth.

We persuaded Lin Tao not to smoke. =We persuaded Lin Tao against smoking.我们说服了林涛别吸烟。

4. But in the same year, cigarette smoking cost the government even more money, about 28 billion yuan.但在同一年里，因吸烟而使政府付出了更多的钱，约280亿元。

cost在这个句子中意为“使花费”，请注意由它构成的两个常用词组

a)(sth.)cost sb.+钱 (某物)花费某人多少钱

b)(sth，)cost sb.+其他 使某人失去……

That bike cost me 350 yuan.我花了350元买了那辆自行车。

His careless driving cost him a leg.他的粗心驾驶使他失去了一条腿。

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以前学过的与“花费”有关的结构有：

a) sb. spend + 时间/钱+on + 名词 某人花……做……

b) sb. spend + 时间/钱+ (in) doing sth. 某人花……做……

c)sb. pay + 钱+ for sth. 某人花钱买……

d) It take sb. + 时间/钱 + to do sth. 某人花时间/钱做

他每月花50元钱买书可译为：

He spends 50 yuan on books every month.

He spends 50 yuan (in) buying books every month.

He pays 50 yuan for books every month.

It takes him 50 yuan to buy books every month.

小明每天花两小时学英语可译为：

Xiao Ming spends 2 hours on English every day.

Xiao Ming spends 2 hours (in) learning English every day.

It takes Xiao Ming 2 hours to learn English every day.

5.Do yon mind if I smoke ? 你介意我抽烟吗?

1)Do/Would you mind if ...? 常用来表示“请求、许可”的意思。句中的mind作“介意”、“反对”解。注意：如果用Would you mind if . . . ?从句中就要用虚拟语气。如：

Do you mind if I close the window? 关上窗户你介意吗?

Would you mind if I closed the window? 关上窗户你介意吗?

2)在回答这样的句子时要特别注意：若在答语里表示“愿意(不反对)”，应说“Certainly not”或“Of course not”。若表示“不愿意(反对)”，应说“Im sorry, but...”，习惯上不用yes来直接回答。

3)在 Do/Would you mind之后还可跟动词-ing形式，在动词-ing之前还可以有人称代词宾格或物主代词，用来请求允许，或请求别人作某事。如：

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