单选题：The magician picked some persons from the audience _____ and..

题目内容：

The magician picked some persons from the audience _____ and asked them to help him with the performance．A．by accident B．in vainC．at randomD．on average
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You shouldn’t have quarreled with the customs official. __..

You shouldn’t have quarreled with the customs official. _______ helping the situation, you just made it worse.A．In spite ofB．Apart fromC．Far fromD．As a result of

分类：介词和介词短语  题型：单选题
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Jackson seemed crazy _______the Chinese culture when he visi..

Jackson seemed crazy _______the Chinese culture when he visited China last year.A．aboutB．withC．forD．at

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Some scientists think there are _______ 2，000 million flash..

Some scientists think there are _______ 2，000 million flashes of lightning per year. A．in shortB．on averageC．as usualD．in total

分类：介词和介词短语  题型：单选题
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China has been pushing the reform of public hospitals _____..

China has been pushing the reform of public hospitals ______ all its citizens.A．in charge of B．for the purpose ofC．in honor of D．for the benefit of

分类：介词和介词短语  题型：单选题
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It seemed_____the world was_____ when the earthquake hit Wen..

It seemed_____the world was_____ when the earthquake hit Wenchuan on May, 12th,2008.A.as if;at an end C.even if;in the endC.if;at the end D.that;by the end

分类：介词和介词短语  题型：单选题
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