Period 4: Grammar

学习目标：

1. 掌握单元语法：比较级的用法

2. 倍数的相关表达方法

3. 利用例句归纳出语法规则

学习重点：

掌握单元语法：现在完成时

学习难点：

利用例句归纳出语法规则

课前预习

使用说明与学法指导：

1. 利用例句归纳出语法规则

2. 15分钟之内完成

教材助读：

话题提分句型

Nowadays there seems to be a consensus in society that going to university is the only access to success.

Recently the problem has been brought into focus.

The truth is quite other than what you think.

The truth is quite otherwise./It's far from being true.

It is a common phenomenon in society that people are getting politer than they used to be.

预习自测：

用所给词的适当形式填空

1．The earth is forty­nine times (large) than the moon.

3．It's getting and (bright)．

5．It'll be a lot (heavy) than magnesium.

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课内探究

质疑探究：

形容词和副词表示比较级和最高级的几个重要句型

1．"比较级形式＋than" 意为"比......更......"。

That's easier said than done. 说比做容易。

2．"...as＋原级＋as..." 意为"和......一样"。

The building is as high as the tower. 这幢建筑和那座塔一样高。

3．"...not as (so)＋原级＋as..." 意为"不及......"。