:6,-4,2,-2,()
A.0
B.8
C.10
D.12
由数字1,2,3,4,5组成无重复数字的二位奇数个数是A.5 B.8C.10 D.12
由数字1,2,3,4,5组成无重复数字的二位奇数个数是A.5B.8C.10 D.12
6,-4,2,-2,() A.0 B.8C.10 D.12
6,-4,2,-2,() A.0B.8C.10D.12
18,12,6,(),0,6。 A.6 B.4 C.2 D.1
术前多少小时禁食、水A.4~6B.6~8C.10~12D.8~10E.2~6