用计算器计算:sin 51°30'+cos49°50'-tan46°10'=( )。(保留四个有效数字)
0. 3860
— Didn't you tell Farolin about the meeting?
— _____ I said to her goes in one ear and out the other. [ ]
A. No matter how
B. However
C. Whatever
D. No matter what
依照《统计法》第十六条的规定,搜集、整理统计资料,应当以()为主体
A.经常性抽样调查
B.统计报表
C.周期性普查
D.典型调查