用万能角度尺测量工件时,当测量角度大于900,而小于1800时,应加上()。
A.450
B.1800
C.900
D.3600
参考答案:A
-There _____ a class meeting this afternoon.
-Yeah,exciting.[ ]
A. are going to be
B. is going to be
C. is going to have
D. will have
当项目的全投资收益率大于贷款利率,债务比赋予资本金的杠杆力()。
A.增加
B.减少
C.不变
D.无法判断