关于-0.01，下列说法正确的是[ ]
A.是负数，不是有理数
B.是小数，不是分数
C.是分数，不是有理数
D.是分数，也是有理数
答案：D
Can you make sure _____ the key of her flat? [ ]
A. whether Alice had put
B. where had Alice put
C. where Alice has put
D. where has Alice put
整数的运算顺序、运算定律在分数运算中同样适用．______．
