The two books are the same ______ the colours of the covers are different. A. except when B. except for C. except that D. except 答案:C下列对0的说法中不正确的有 个①0是最小的有理数;②0的相反数是0;③0是最小的正数;④0的绝对值是0;⑤0是最小的正整数;⑥0没有倒数;⑦0是最小的自然数;⑧0不是代数式;⑨0乘以任何数都等于0;⑩0既不是正数,也不是负数A.3B.4C.5D.6