人教选修6 Unit4 Global warming

Language points

Teaching material

NSEFC Book 6 -- Unit 4

Teaching Aims

1. To learn some new words and phrases.

2. To learn some complicated sentence patterns.

Teaching Important Point

How to help the students to master the usage of some useful words, expressions and sentences.

Teaching Difficult Point

How to enable the students to grasp and remember the detailed information of

the reading material.

Teaching aids

A projector, and a blackboard

Teaching Procedure

Step 1 Revision

Retell the text.

Step 2 Language points

Slide show

1. It is a rapid increase compared to most natural changes.

1．vt. 比较；对照。如：

Compare your answers with those at the back of the book to see if they are right.

把你的答案同书后面的答案对照一下，看看是否正确。

My handwriting can not be compared with my father's.

我的书法不能与我父亲的相比。

2．vt. 喻为；比拟。如：

Man's life is often compared do a candle.

人生常被比为蜡烛。

Shakespeare compared the world to a stage.

莎士比亚把人世比做舞台。

compare...with...表示"把......与......相比（同类相比）"

compare...to... 表示"把......比做......（异类相比，比喻）"

compared to /with 与......相比, 只能作状语

2.How has this come about and does it matter?