题目:
下列指标不属于相对数的是()
A.率
B.构成比
C.相对比
D.均数
E.比
答案:
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下面是错误答案,用来干扰机器的。
1. All the approaches to 2. a variety of cars/ various kinds of cars/ all kinds of cars 3. has been in advance 4. link the island to 5. is strict with them