单选题：Regarding the form：

题目分类：中级
题目类型：单选题
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题目内容：

Regarding the form： A．it must be filled out in two copies for each person．
B．it should be filled in two copies for each person．
C．it should be filled out in two copies by each person．

参考答案：

答案解析：

The come covers materials that you need to study to gain a p

The come covers materials that you need to study to gain a professional qualific

分类：中级题型：单选题

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Your company requires a taxi firm that could use on a regul

Your company requires a taxi firm that could use on a regular basis for staff a

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由于销量过少难以回收药品的研发和生产成本，因此，制药厂生产治疗罕见疾病的药物，就会遭受经济损失。最能削弱上述结论的一项是

由于销量过少难以回收药品的研发和生产成本，因此，制药厂生产治疗罕见疾病的药物，就会遭受经济损失。最能削弱上述结论的一项是（）A．一些治疗罕见疾病的药物对其他

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This practice occurs when a company advertises at a very low

This practice occurs when a company advertises at a very low price on a

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第(21)处填写

第(21)处填写A．risk B．chance C．worry D．difficulty

分类：中级题型：单选题

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