追答你要看as在句中是怎么使用的,就能判断它是什么词性。as 作为副词时,例句:
Many things pollute water, such as tires, trash, and plastic bags.
很多东西使水污染,例如轮胎、垃圾和塑胶袋。
as 作为介词时,通常当“作为”讲,比如as a student, as a father, 后面都是接个名词;
例句:
As a cub reporter he would learn the facts of life in the newspaper world. 作为一名初出茅庐的记者,他要了解报界生涯的内幕。
as 作为连词时,通常是引导原因状语从句和时间状语从句,as后面是个句子。
例句:
As the wage of the job was low, there were few applicants for it.
因为工资低,没有什么人申请这份工作。
such as ……较常见,意思是“例如”
2、such……as……则相当于两个独立的单词,such是“这样的,那样的” ,as翻译成“相……一样》。
如:Such girls as you knew were very funny。
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