abstract

1. 讲解词汇：visible     decay     unwelcome
2. 介绍固定搭配：suffer(from)...及其引申     关于hole的固定搭配     go down to...
3. 介绍连接原因状语从句的介词     举例讲解介词+名词+同位语从句=普通从属连词的知识
4. 讲解should可表委婉语气的用法     复习状语从句中主谓成分可省略的情况
   5.care for...的含义     介绍带有深达...含义的表达

content

1.visible除了“可见的”，还可表示“明显的”之意

2.decay：衰退，衰败

fall into decay：陷入衰退状态

3.unwelcome：不想要的，讨厌的

=unwanted,undesirable

4.suffer (from) ：（主动）因为某事而感到痛苦

• （被动）be afflicted by/with
• （加强）be racked/tormented/tortured by/with

He is afflicted by diabetes/a sense of inferiority.

5.X洞

• drill a hole 钻洞
• prick a hole 戳洞
• punch a hole 打洞
• dig a hole 挖洞
• knock a hole 敲洞
• chop a hole 凿洞
• eat a hole 咬洞
• gnaw a hole 啃洞
• make a hole 通适

6.go down to

• 下降到
• 南下→反义：go up to :北上

I'll go down to Hanzhou tomorrow.

• 由重要的地方到次重要的地方 → go down to contryside：下乡

7.原因状语从句的连词

• since
• for
• because of
• by reason of
• on account of
• owing to
• due to

8.介词+名词+同位语从句=普通从属连词

• for the reason that.../because of the fact that.../due to the fact that.../on account of the fact that...=because/since/as ...：因为
• in spite of the fact that .../despite the fact that...=though/although ...

9.should可表委婉语气

should：“这是我的一个想法，我未必说得对”

I should imagine it will take about 3 hours.
我觉得大概是3个小时左右吧
I should wish to die while still at work.
我倒希望在工作中死去

10.care for  除了“关于”，还有“喜欢”之意

I don't care for it.    我不喜欢它

11.状语从句中主谓成分可省略的情况

两个条件：主语统一；谓语是be动词

Metals expand when heated and contract when cooled.

12.深达...：extend to a depth of...

高达：rise to a height of...