招标人( )d内，应向有关行政监督部门提交招标投标情况的书面

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问题单项选择题

招标人( )d内，应向有关行政监督部门提交招标投标情况的书面报告。

A．确定中标人后15
B．确定中标人后30
C．开标后15
D．开标后30

答案

参考答案：A

选择题

Two –thirds of them died or _______ during the earthquake .

A. was injure B. were injured C. is injured D are injured

判断题

螺杆与料筒的间隙是指径向间隙。间隙太大，则漏流量增大，间隙太小，则螺杆容易挡膛。