【单选题】【消耗次数：1】
15.Man _____ die without air or water.
①
will
②
have to
③
must
④
should
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16.—What made more than 100 passengers die. --- ________the air crash in Russia.
①
Itwas
②
Therewas
③
Thatwas
④
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①
was needed
②
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③
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④
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①
should have arrived
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③
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①
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②
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③
fortunate
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①
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②
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③
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④
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The door opens, and who should enter but the very man we were talking of.
①
A．门开了，谁想到进来的正是我们刚才谈论的人。
②
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③
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④
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-________ keep water running when you are brushing your teeth or washing your hands, Jack. -OK. I know we must save every drop(滴) of water.
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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④
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随机题目
【单选题】
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A S+GP+IM=I+NT+EX
②
B S+GP+EX=I+NT+IM
③
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④
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【单选题】
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②
B消费、净投资、政府购买和净出口
③
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④
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