【简答题】【消耗次数：1】
简述计算机系统的组成。
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简述计算机病毒对计算机系统可能产生的影响？
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A new museum _______in the countryside at the moment.
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has been built
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is built
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is being built
【单选题】
Everything_______ if the brigade hadnt cotrolled the fire.
①
will be destroyed
②
will have been destroyed
③
would have been destroyed
【单选题】
I_______ a good opera on computer at this moment last night.
①
was watching
②
watch
③
watched
【单选题】
If the stars nearby hit together, they _______ the earth.
①
is influencing
②
influences
③
will influence
【单选题】
I hurt my knee, so I stopped _______ football last month.
①
playing
②
play
③
to play
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When we were having a party, the host _______ the bad news.
①
was telling
②
was told
③
could tell
【单选题】
_______ all your time on this problem is not suitable.
①
Spending
②
To spend
③
Spend
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Our old school_______ demolished next month. What a pity!
①
will be
②
is being
③
has been