连一连,组成字。
( ) ( ) ( ) ( ) ( ) ( )( )( )
问 对 秋 分 活 把 选 伙
设2010a=3,2010b=6,2010c=12,则数列a,b,c( )
A.是等差数列但不是等比数列
B.是等比数列但不是等差数列
C.既是等比数列又是等差数列
D.既非等差数列又非等比数列
Please enjoy yourself at the party and _____. [ ]
A. make yourself at home
B. feel at home
C. help yourself to
D. be at home