【单选题】【消耗次数：1】
网络安全不包括（ ）。
①
系统硬件安全
②
系统信息安全
③
信息传播安全
④
信息内容安全
参考答案：
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Although she wrote a lot of short stories and poems when she was very young, ____ she was twenty five.
①
her first real success did not come until
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her real first success came until not
③
since her first real success did not come until
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not until her first real success
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You’ d better find some information about Nike’s“Chamber
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wouldn’ t you
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had you
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hadn’ t you
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should you
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being there
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should there be
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there was
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there have been
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Of the six people in the plane when it crashed, only one _____ . Everyone else died.
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emerged
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survived
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existed
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escaped
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It was_____ back home after the experiment.
①
not until midnight did he go
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until midnight that he didn’ t go
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not until midnight that he went
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until midnight when he didn’ t go
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range
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could
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technical
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technological
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technique
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technology