Sunglasses are used________protecting yo_爱下问搜题

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问题选择题

Sunglasses are used________protecting your eyes on sunny days. [ ]

A. to

B. as

C. for

D. by

答案

C

选择题

Eating vegetables is good ________ you.[ ]

A. for

B. to

C. at

D. on

判断题

电磁调速异步电动机的主要装配工艺过程之一为换向器的装配。( )