地球的平均半径约为()km。
参考答案:6371
—It is said that Jack is very rich and is always changing his private cars.What is he?
— ,I am not sure.
A.Somebody of a manager
B.Something of a manager
C.Anyone of a manager
D.Anything of a manager
国有独资公司设经理,经理由( )聘任或解聘。
A.董事长
B.上级主管部门
C.董事会
D.股东会