Drilling oil well was ________ work that_爱下问搜题

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问题选择题

Drilling oil well was ________ work that he couldn’t finish it by himself.

A．such difficult

B．such a difficult

C．so difficult a

D．so difficult

答案

答案：A

单项选择题

热水供暖系统干管敷设时应向集气罐有上升坡度，向泄水处有下降坡度，坡度一般为C，不得小于（）。

A、0.001

B、0.002

C、0.003

单项选择题

凡综合风险度超过( )的即为高风险贷款，对高风险贷款，银行一般不予发放贷款。

A．50%

B．60%

C．70%

D．80%