【单选题】【消耗次数：1】
Anything that is ____ must be attended to immediately.
①
critical
②
essential
③
urgent
④
immense
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相关题目
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2.Should any critical issue _______ the negotiation with foreign company, immediately report to the manager for advice.
①
arise from
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The board deemed it’s urgent that these files ____
right away.
①
had to be printed
②
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③
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he was knowing
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①
tough
②
tense
③
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①
succeed
②
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③
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④
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The board deemed it’s urgent that these invitations _____first thing tomorrow morning.
①
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②
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③
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④
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It is necessary____________ the book immediately.
①
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②
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③
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④
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①
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②
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③
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①
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③
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随机题目
【单选题】
有六个元素6，5，4，3，2，1 的顺序进栈，问下列哪一个不是合法的出栈序列？（）
①
5 4 3 6 1 2
②
4 5 3 1 2 6
③
3 4 6 5 2 1
④
2 3 4 1 5 6
【单选题】
若用一个大小为6的数组来实现循环队列，且当前rear和front的值分别为0和3，当从队列中删除一个元素，再加入两个元素后，rear和front的值分别为多少？（ ）
①
1和5
②
2和4
③
4和2
④
5和1