This also keeps the air，soil，water crops________ chemicals.A．out ofB．out fromC．f

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This also keeps the air，soil，water crops________ chemicals.

A．out of

B．out from

C．free of

D．rid of

答案

解析

试题分析：固定搭配free of…免受…的伤害；句义：这个总是能够让空气，土壤和水生物免受化学物质的伤害。根据句义说明C正确。

举一反三

I was deeply impressed ________ the speech by the mayor of Shanghai before the final voting for EXPO 2010.

A．to

B．on

C．over

D．with

题型：不详难度：| 查看答案

The shop will be closed for repairs ________ further notice.

A．with

B．until

C．for

D．at

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There are solid reasons for China to claim ownership of the Diaoyu Islands, which lie about 200 miles the eastern coast of our country.

A．to

B．on

C．off

D．of

题型：不详难度：| 查看答案

A series of ancient Chinese coins are ________ in an exhibition held in Nanjing, where a variety of ancient currencies were unveiled.

A．in place

B．on display

C．at length

D．on purpose

题型：不详难度：| 查看答案

It is illegal for a public official to ask people for gifts or money ________ favors to them.

A． in addition to	B．in return for
C．in revenge for	D．in search of

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