Unit 3 The Media

【本讲教育信息】

一. 教学内容：

Book 15 Unit 3 (I)

使用形容词，副词的比较级和最高级句型描述、比较不同事物的特征。

二. 本周教学重点：

1. 形容词，副词的比较级和最高级。

2. 重点词汇和词组。

三. 具体内容：

(一)形容词，副词比较级和最高级的构成。

(二)比较级用法：

1. 同级比较时(a=b)，用“as +形容词，副词原级+as”，表示……和……一样

This newspaper is as expensive as that one.

Today is as cold as yesterday.

They have as many things to do as we do.

2. 如果a=b,用not as/so …as , 表示。。。不及。。。。

Your bag is not as/so big as his.

There is not as/so much rain this year as last year.

It is not as/so cold in Nanjing as in Beijing.

3. 两个人或事物进行比较，a>b 或a

The earth is bigger than the moon.

I think listening to songs is more exciting than reading.

There are more houses in this area than in that one.

4. 在形容词，副词的比较级前，可加某些程度副词或词组来修饰，如much, far, a lot, a great deal, even, still, a little, a bit等。

I can believe your son is even taller than you.

He is much younger than I.

5. 双重比较

(1)比较级+and+比较级，表示越来越。。。

The weather is getting warmer and warmer.

I believe our country will become stronger and stronger.

(2)the+比较级……，the +比较级……表示越……就越……

The more you read and listen to English, the fewer you make mistakes.

The harder you work , the better you get.

6. 表示倍数，百分数和分数的比较级与程度副词一样，要把倍数，百分数和分数放到比较 级前。

The road is one third longer than that one.

He is 6 years older than you.

(三)形容词，副词的最高级：