滚动轴承的内、外径两套之间在径向和轴向有一定的移动量，此移动量的（）称为轴承的游隙。
A.最大值
B.最小值
C.中间值
D.任意值
参考答案：A
人民警察应具备的业务素质，主要体现为（）。
A.岗位专业能力
B.分析综合能力
C.应变决断能力
D.写作表达能力
But for the fact that China ______ also affected by the global financial crisis, we _____ fewer unemployed workers now. [ ]
A. is; would have
B. were; would have
C. was; would have had
D. were; would have had
