Within the last year, scientists have come closer than ever .A．to decid

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Within the last year, scientists have come closer than ever .

A．to deciding which of the questions is right

B．to decide which of the questions is right

C．deciding whether the question is right or not

D．and decided which of the questions is right

答案

解析

略

举一反三

By hiking, people can ______ nature and experience a kind of life.

A．close to

B．close the

C．get close to

D．get close to the

题型：不详难度：| 查看答案

This book _____ ten units, _______ three main revisions.

A．contains; containing	B．includes; including
C．includes; containing	D．contains; including

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In face of failure, it is important to ______ a good state of mind.

A．keep up

B．keep on

C．keep out

D．keep off

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I can hardly imagine his arguing with his boss. He always ________ me as a cool-headed man

A．strikes

B．takes

C．treats

D．regards

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The fireman couldn’t __________ what the dark thing was through the heavy smoke．

A．work out

B．make out

C．try out

D．set out

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