Exploringspaceisexciting,yetda

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更新 2022-09-03
科目英语
题型单选题
难度容易
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挑错有奖

Exploring _____space is exciting, yet dangerous.
There is _____need for both robots and humans for space exploration.

A．the; a

B．a; a

C．/; a

D．/; the

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相关试题

If you ___ smoke, please go outside.

A．can

B．should

C．must

D．may

题型：未知
难度：未知

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I wasn’t sure if he was really interested or if he ___ polite.

A．was just being

B．will just be

C．had just been

D．would just be

题型：未知
难度：未知

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As he reached ___ front door, Jack saw ___ strange sight.

A．the;/

B．a;the

C．/;a

D．the;a

题型：未知
难度：未知

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What would have happened, ___, as far as the river bank?

A．Bob had walked farther

B．If Bob should walked farther

C．Had Bob walked farther

D．If Bob walked farther

题型：未知
难度：未知

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Our chairman hasn’t come yet. If he ___ on time, we would have to put off the meeting

A．Should come

B．Would come

C．Shouldn’t come

D．Wouldn’t come

题型：未知
难度：未知

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