单选题：It seemed incredible that he had been there a week already.

题目内容：

It seemed incredible that he had been there a week already. A．right
B．unbelievable
C．obvious
D．unclear

参考答案：

答案解析：

The roles are too rigid to allow for human error.

The roles are too rigid to allow for human error.A．general B．complex C．direct D．

分类：理工类题型：单选题

Several windows had been smashed.A．cleaned B．replaced C．broken D．fixed

分类：理工类题型：单选题

There as a simultaneous trial taking place in the next build.A．fair B．full C．coe

分类：理工类题型：单选题

在施工质量控制点的控制中，对冷拉钢筋应注意先焊接之后再进行冷拉，其重点控制的方面是（　　）。A．关键操作 B．技术间歇 C．施工顺序 D．施工技术参数

分类：理工类题型：单选题

特殊过程的质量控制，除按一般过程质量控制的规定执行外，还应（　　）。A．由专业技术人员编制作业指导书，经项目经理审批后执行 B．由专业技术人员编制作业指导书，经

分类：理工类题型：单选题