（　）The "qwerty" was first set up __________.

（　）The "qwerty" was first set up __________. A．with thirty-six letters B．in six

分类：英语  题型：单选题
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A young man went to a car showroom. He was wearing rubber bo

A young man went to a car showroom. He was wearing rubber boots and a dirty jack

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服务业的生产率很难提高，这是因为（　　）。

服务业的生产率很难提高，这是因为（　　）。A．服务业是典型的技术密集型行业 B．需要频繁的个性化处理 C．常常需要专业技术 D．常常很难评价质量 E．常常需要机

分类：英语  题型：单选题
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（　） We waited at the airport till the plane had __________ .

（　） We waited at the airport till the plane had __________ . A．set up B．set abou

分类：英语  题型：单选题
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（　）People probably take part in dangerous sports nowadays be

（　）People probably take part in dangerous sports nowadays because __________. A．

分类：英语  题型：单选题
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