必修二M2教案：

1. addict n．对(药物等)上瘾的人；vt.使成瘾；使沉溺于......

　1)addict oneself to沉溺于......；醉心于......

　　be/become/get addicted to...沉迷于...；热爱...；迷上...

　2）addictive adj.使人上瘾的；(药物等)上瘾的；上了......的瘾

　　addictive可作定语、表语和补足语，作定语时，被修饰语通常是事

　　物；作表语和补足语时，主语一般也是事物。

　　be/become addictive to...沉迷于......，对......上瘾

　　addicted不能作定语，可作表语和补足语，其逻辑主语是有行为

　　The problem with video games is that they're addictive.

　　电子游戏的问题在于它们会使人上瘾。

　　Smoking can be addictive. 吸烟容易上瘾。

　　Once one is _____ to cocaine cigarette，it's not easy for him to kick it off.

　　A．attracted B．absorbed C．devoted D．addicted

　　一个人一旦对可卡因烟上瘾，就不容易戒掉。

　3）addiction n．瘾；入迷；嗜好

Nowadays，many children are addicted to computer games.

　现在许多孩子迷上了电脑游戏。

Don't be addicted to net chatting.It wastes too much time.

　不要沉醉于网上聊天，它浪费太多时间。

He is now fighting his addiction to smoking.他现在正努力戒烟。

和addicted/addiction连用的to是介词，其后要跟名词、代词、动名词作宾语。

2. danger n. / endangered adj. / dangerous adj.

be in danger (of) / be out of danger

=be endangered

be dangerous

The tiger is in danger now.

The tiger is endangered now.

The tiger is dangerous.

The bridge is in danger of collapse.

　　He is out of danger now.

3．reduce vt.减少，缩小；降低；使...陷入某种更坏的状态

　辨析：reduce; decrease;decline

1) reduce指人为地使某物在数量或重量方面的减少或降低make smaller,cheaper

I bought this shirt because it was reduced (from$10 to $6).

reduce to 减少到

reduce by 降低了...

　　反increase to 增加到

increase by 增加了

We bought a television that was reduced(from ￡500 to ￡350)in the sales.