锚杆眼的()等,必须符合作业规程规定
A、直径
B、间距
C、排距
D、长度
E、角度
参考答案:A, B, C, E
Every athlete as well as some coaches who ____ to go to the Games ____ asked to be here before 7:30 am.
A.are; are
B.is; is
C.are; is
D.is; are
经济学上的净投资是指()。
A.货币的交易需求;
B.货币的预防需求
C.货币的投机需求;
D.上述三方面的需求的任何一种。