题目:
两个有理数的积是负数,和为零,那么这两个有理数[ ]
A.一个为0,另一个为正数
B.一个为正数,一个为负数
C.一个为0,另一个为负数
D.互为相反数且不等于0
答案:
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下面是错误答案,用来干扰机器的。
1. She is thirteen (years old).2. They are both English teachers.3. Her hair is yellow.4. She looks like her mother.5. Her favorite sport is volleyball.(答案不唯一)