Unit 2 How often do you exercise?

重点知识园地

重点单词

1. hardly  adv.  几乎不;几乎没有

I hardly know you.

我几乎不认识你。

辨析：hardly和hard

hardly  几乎不;几乎没有

hard  努力地;困难地

He hardly works.

他几乎不工作。

He works hard.

他工作努力。

2. full  adj.  忙的;满的;充满的

The bus was full of people when they got there.

他们到达那里的时候，公交车上已经坐满了人。

full  adj.  饱的

I cant eat any more; I am quite full.

我不能再吃了，我相当饱了。

3. maybe  adv.  大概;或许;可能

Maybe he knows Tom.

也许他认识汤姆。

辨析：maybe和may be

（1）maybe是副词，表示“大概;或许;可能”。一般放句首，在句中作状语。

Maybe you are right.

也许你是对的。

（2）may be是情态动词加be动词原形的形式，译成“可能是，也许是”。

He may be twenty.

= Maybe he is twenty.

他可能是二十岁。

4. health  n.  健康;人的身体（或精神）状态

Smoking is bad for health.

吸烟有害健康。

healthy  adj.  健康的

keep healthy  保持健康

You can keep healthy by eating more fruit.

你可以通过多吃水果来保持健康。

5. although  conj.  雖然;尽管;即使

although=though，汉语中可以说“虽然……，但是……”，但英语中although/though不能与but连用。

Although it was dark， he still went on working.

= It was dark， but he still went on working.

虽然天黑了，但是他还在继续工作。

Although it rained， the boys still played outside.

= It rained， but the boys still played outside.

尽管天下雨了，但男孩们仍在外面玩耍。

6. mind  n.  头脑;心智

Not everyone has the right kind of mind for this work.

并非每个人的头脑都适合做这份工作。

mind  v.  介意

Would you mind opening the door？

你介意打开门吗？

7. die  v.  消失;灭亡;死亡

His grandmother died when he was five years old.

他奶奶在他五岁的时候去世了。

dead  adj.  死去的

death  n.  死亡

8. however  adv.  然而;不过

She was ill. However， she still went to work.

她病了，然而她依然去上班。

表示“然而，可是”时，however必须用逗号与句子其他成分隔开。不仅能位于句首，而且能位于句中（注意前后使用逗号），甚至句末（注意其前也用逗号）。

However， he changed his mind later.

可是他后来改变了主意。

He hasnt arrived. He may， however， come later.

他还没有到，不过他等会儿可能会来。

He said that it was so; he was wrong， however.

他说情况如此，可是他错了。

注意：以上各例中的however不能换成but，但可用but来改写。

He said that it was so， but he was wrong.

他说情况如此，可是他错了。

重点短语

1. hardly ever  几乎从不

这个短语表示否定意义。

I hardly ever heard her singing.

我几乎从未听过她唱歌。

2. such as  例如;像……这样

I have a lot of hobbies， such as reading and singing.

我有许多爱好，比如读书和唱歌。

注意：such as作“例如”讲时，用来列举同类人或事物中的几个例子。such as后只能接名词或名词性短语。

I like drinks， such as tea and coffee.

我喜欢喝饮料，例如茶和咖啡。

3. more than  多于

more than 相当于over，意为“超过，多余”。

There are more than 2，000 books.

这里有两千多本书。

其反义词为less than，意为“不到，少于”。

She sleeps less than 7 hours every night.

她每晚的睡眠时间不到7小时。

活学活用

单项选择

1. ______ food helps me to keep ______ .

A. Healthy; healthy B. Healthy; health

C. Health; health D. Health; healthy

2. My cousin knows a lot about English， ______ he is only four years old.

A. because B. so

C. although D. for

用but/however填空

3. It began to rain. ______ ， we went out to look for the boy.

4. It is a sunny morning， ______ very cold.

用maybe/may be 填空

5. He ______ late again.

6. ______ he is late again.

基本語法

频度副词

1.表示次数或频率的副词称为频度副词，按照其频率发生的高低排序通常依次为：

always>usually>often>sometimes>hardly ever>never

2.表示一次用once，两次用twice，三次或三次以上用“基数词 + times ”。

3.对频率提问用how often，表示“每隔多久”。

—How often does he watch TV？

他多久看一次电视？

—Once a week.

一周一次。