依据水利工程施工招标投标有关规定，潜在投标人依据踏勘项目现场

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问题单项选择题

依据水利工程施工招标投标有关规定，潜在投标人依据踏勘项目现场及招标人介绍情况做出的判断和决策，由（）负责。

A.招标人

B.项目法人

C.投标人

D.监理人

答案

参考答案：C

填空题

用所给单词的正确形式填空。

1. The Blacks would like to stay in an (expensive) hotel to save money.

2. They are going to an (excite) place.

3.I don't think it's a good idea to travel there. It's too (tour) there.

4. During the vacation, they (trek) for five days along the banks of the

Mississippi.

5. This is a____(peace) summer vacation.

单项选择题

下列有关PrP的描述，错误的是：（）

A.可致海绵状脑病

B.有两种异构体

C.含有核酸

D.需要特殊消毒才能灭活