由于政府的特殊地位与身份,使政府对工程项目管理具有较大的()。
A.权威性
B.严肃性
C.全面性
D.多面性
参考答案:A
已知{an}是等比数列,an>0,且a4a6+2a5a7+a6a8=36,则a5+a7等于______.
—What are you going to do this weekend,Mike?
—I basketball with my friends. [ ]
A. play
B. am going to play
C. played
D. have played