Unit21 Human Biology-词汇篇2

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1、掌握本单元Lesson2、 Lesson3及Communication Workshop中的重点单词，短语及句型。

2、灵活运用本单元Lesson2、 Lesson3及Communication Workshop中的重点单词，短语及句型。

重点单词与短语

1.relate v.使有联系；涉及；与......相关

词汇拓展：

relative adj.相对的；比较的

relatively adv. 相对地

related adj.相关的；有联系的

Much of the crime in this area is related to drug abuse.这一地区的许多犯罪都与嗜毒有关。

2.it 用于强调句

强调句型：it +is/was+被强调部分+that/who+其他部分。可以对主语、宾语、状语等进行强调。

I met an old friend in the street yesterday.( 对主语、宾语、状语等进行强调可表示为)

It was I that/who met an old frend in the street yesterday.

It was an old frend that/ who I met in the street yesterday.

It was in the street that I mett an old frend.

It was yesterday that I mett an old frend in the street.