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leaf117
as作介词的用法.
1.表示好像。如:He dressed as a policeman.
2. 表示作为当作。如:I found a job as a guide.
3. 当某人是某身份时。如:As a child , she was sent to abroad.
4. as引导的介词短语大多用作状语,as译为"作为";少数情况可引起宾语补足语。如:
As a Party member, I'll take the lead in everything. (状语)
She works as a model. (状语)
She has me as one of her best friends.(引起宾语补足语)