绝对值不小于1且不大于3的整数是 [ ]
A.1，2，3
B.-1，-2，-3
C.±1，±2，±3
D.±2
答案：C
阅读理解。
看家谱，判断正(T)误(F)。
( )1. Sally Brown is Sonia's mother.
( )2. Sandra is Tommy's sister.
( )3. David is Sonia's father.
( )4. William Brown is Sandra's grandmother.
( )5. Tommy is Sonia's cousin.
在仓库的取样间设有洁具间，可否用饮用水为房间的清洁用水，洁净级别为C级？
