Unit 3 Protecting our selves【难句·剖析·拓展】1、Aids (acquired immune deficiency syndrome) is caused by a virus called HIV (human immunodeficiency virus), which enters a person’s blood and attacks the body’s immune system
艾滋病(获得性免疫缺陷 综合症)是由一种被称为HIV(人类免疫缺陷病毒)的病毒引起的,这种病毒进入人体血液并破坏人体免疫系统
【剖析】1)called HIV 是过去分词短语作定语,修饰 virus
2)which enters a person’s blood and attacks the body’s immune system 是非限制性定语从句,修饰 HIV
【拓展】1)过去分词作定语,一般放在所修饰词的前面;过去分词短语作定语,一般放在所修饰词的后面
2)非限制性定语从句通常对先行词起补充说明作用,用逗号与主句分开
2、Although many people are familiar with Aids and how it is transmitted, more than a few people subscribe to the view that HIV and Aids are an African problem because the infection rates there are very high
虽然很多人都熟悉艾滋病及其传播方式,还是有不少人赞成这样的观点:艾滋病毒和艾滋病是非洲的问题,因为那里的感染率非常高
【 剖 析 】 1 ) Although many people are familiar wit