油井和注水井的综合记录是以（）为单位把每天的生产数据按日历逐日记录在一人表格上。
A、1井组
B、2口井
C、1口井
D、注井组
参考答案：C
A．Go along this street to the end. B．Are you feeling better now C．I went to the Palace Museum. D．OK, it’s a piece of cake. E．How far is it
A:Did you go anywhere else B：Yes，I did. ______I bought a gift from the museum for you.
定金合同从当事人双方达成定金约定之日起生效。( )
