– Do you know why the river was polluted? -- Many different factors ___________

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– Do you know why the river was polluted?
-- Many different factors ___________ the serious pollution of the river.

A．contributed to

B．adjusted to

C．were accustomed to

D．were attached to

答案

解析

略

举一反三

—The government plans to build a big power station along the river bank.
— Good news! So we and the neighboring areas will get great from it.

A．value

B．benefit

C．cost

D．profit

题型：不详难度：| 查看答案

The eggs were a bad smell. Nobody wanted to eat anything. .

A．giving off

B．giving away

C．giving up

D．giving out

题型：不详难度：| 查看答案

I______ him not to go there, that is, my advice was that he______ there, but he wouldn’t listen to me.

A．suggested; didn’t go	B．hoped; not go
C．wished; did go	D．advised; not go

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Franklin didn’t______ the inspiring speech by the famous leader, but he______ it.

A．know of; know	B．know; knew of
C．know; knew to	D．know of; knew with

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The recorder______ 500 yuan. But I don’t think it’s______ that much.

A．worths; worth	B．worths; cost
C．costs; worth	D．takes; cost

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