在Windows中，利用Windows下的（），可以建立、编辑文档。
A.剪贴板
B.记事本
C.资源管理器
D.控制面板
参考答案：B
I was on the highway when this car went past followed by a police car. They ______ at the speed of
150 kilometers an hour at least. [ ]
A. should have been driving
B. must have been driving
C. could have driven
D. would have driven
反应压力主要由（）控制。
A、气压机入口压力
B、再生器压力
C、分馏塔压降
D、V202液面
