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问题 选择题

When I saw James, he ________ chess with his grandfather in the garden.[ ]

A) plays

B) played

C) was playing    

D) had played

答案

答案：C

改错题

Online shopping is increasing popular among people in recent years. Some people liked to buy goods online. And I don’t like it, because online shopping is more reliable than the traditional sale. Firstly, some dishonest merchant offer customers to false information online. Secondly, consumers can’t feel the items that is usually presented by means of pictures. This means the items delivering may differ from which consumers expect. As a result, they may risk returning the items at their own expense. Thirdly, the items might be damaged during delivery. In word, online shopping isn’t reliable at all.

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单项选择题

在工程建设项目的管理和承包方式中，适用于招标人愿意较深入地介入设计控制及对设计和施工进行相互协调管理，并希望分散承担风险的情况是（　　）。

A．潜在投标人数量不多

B．投标文件编制费用较高

C．技术难度较大

D．潜在投标人数量较多
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