各类突发事件的预警按照严重程度、紧急程度和影响范围等因素,分为四级:特别严重(红色),严重(橙色),较重(黄色),一般()。
A.紫色
B.黑色
C.绿色
D.蓝色
参考答案:D
In the exam, the _____ you are, _____ mistakes you'll make. [ ]
A. careful, little
B. more careful, less
C. careful, few
D. more careful, the fewer
Windows 2000 server最多支持()个CPU。
A.2
B.4
C.8
D.32