资源税的扣缴义务人包括( )。A．进口矿产品的单位 B．独立矿山 C．收购未税矿产

— Hello! May I speak to Michael?

— ______ Who is that? [ ]

A. This is Michael speaking.

B. Anything wrong?

C. No, you can't speak.

D. Are you Michael?

用人单位经职工同意不安排年休假的，应当在本年度内对职工应休未休年休假天数，按照其日工资收入的（）支付未休年休假工资报酬。

A.150%

B.200%

C.250%

D.300%

（66） is a method of constructing a project schedule network diagram that uses boxes or rectangles, referred to as nodes, to represent activities and connects them with arrows that show the dependencies.This method includes following types of dependencies or precedence relationships: （67） , the initiation of the successor activity, depends upon the completion of the predecessor activity.（68） , the initiation of the successor activity, depends upon the initiation of the predecessor activity.

A．F-S

B． F-F

C． S-F

D．S-S

组成核酸的单位“”它的全称是（）

A.胸腺嘧啶核糖核苷酸

B.胸腺嘧啶脱氧核苷酸

C.腺嘌呤脱氧核苷酸

D.胸腺嘧啶核糖核酸