To ____ nature is to help ourselves, or we will be punished.A．protectB．preventC．

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To ____ nature is to help ourselves, or we will be punished.

A．protect

B．prevent

C．provide

D．pollute

答案

解析

此题考查四个单词的不同含义，根据句意可知保护自然就是保护我们自己。

举一反三

When I got to the cinema, the movie ___for 15 minutes.

A．began	B．had been on
C．had begun	D．has begun

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If you are a little careful, I think you can _____the problem.

A．get over

B．get in

C．get on

D．get off

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–Oh! There is a snake in front of Jay.
--But it seems that he doesn’t ___the danger.

A．meet

B．understand

C．predict

D．realize

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Could you please ____me some suggestions for the plan?

A．to offer

B．offer

C．to provide

D．provide

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—Mary can"t help ______ the house. Why?
—Because she is busy______ a hotel reservation.
A. cleaning; making B. to clean; making C. cleaning; to make

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