在加工过程中所采用的基准，称为（）。
A、工艺基准
B、设计基准
C、标准基准
D、制图基准
参考答案：A
用所给词的适当形式填空。
1. I can finish ______ (read) the book before five o’clock.
2. I ______ (leave) school at 4: 30 in the afternoon.
3. We have two ______ (lesson) in the afternoon.
4. Lucy and her sister ______ (like) art very much.
5. We ______ (not go) to school on Sundays.
协议未到期的2G靓号（）做套餐变更。
