设x∈R,[x]表示不大于x的最大整数,如:[π]=3,[-1.2]=,[0.5]=0,则使[x2-1]=3的x的取值范围是 ( )
A:2,5)
B:(-5,-2
C:(-5,-2∪2,5)
D:-5,-2∪2,5
You'd better not ask too many ____ (private) problems at the party.
有 ____盆花
有____棵花
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