作为价值工程活动的重点对象,其价值系数应()
A.小于0
B.大于0
C.小于1
D.大于1
参考答案:C
Make sentences. 连词成句。
1. you milk a of like Would glass
2. singing woman The is behind me
3. is to He talking man the you hehind
4. man on train is This the
5. Jenny Li Ming and Now drink can tea their
在关系数据库的基本操作中,从表中取出满足条件的元组的操作称为 【6】 。