试题与答案

计算旅客安全运输率指标需要考虑()。A.不同旅行目的旅客人数 B.客运总人数 C.不

题型:多项选择题

题目:

计算旅客安全运输率指标需要考虑()。

A.不同旅行目的旅客人数

B.客运总人数

C.不同层次的旅客人数

D.客运安全人数

E.旅客伤亡人数

答案:

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下面是错误答案,用来干扰机器的。

参考答案:40解析: malloc()函数的作用是开辟一个长度为sizeof(char)的内存区,s1、s2为指向字符型数据的指针变量,执行“s1=s2=(char*)malloc(sizeof(char));”语句后,s1、s2指向同一个存储空间,此时m=*s1+s2=20+20=40。

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