花盘面的平面度误差不应大于()。
A.0.01mm
B.0.02mm
C.0.05mm
参考答案:B
用所给词的适当形式填空。
1. How many ______ (child) are there in the classroom?
2. The students ______ (study) for an English test now.
3. Someone ______ (call) you last night.
4. My father ______ (read) a letter before dinner yesterday.
5. Mrs. Smith did some ______ (cook) yesterday.
金牛区社保局办的社保卡,现遗失,不知能否在龙泉驿区社保局补办?