推荐回答(5个)
1.B
2.C 根据已知运算符优先级 a || b +i&&i>j 为8||3&&1,8||3为boolean结果为1,1&&1的结果为1。
3.B. 执行语句p=arr使指针P指向数组arr的首地址(即为arr[0]),*(p+j)等价于arr[0+2]。
4.D char barr[ ]=”student”等价于char barr[ ]={’s’,’t’,’u’,’d’,’e’,’n’,'t’,'\0'},系统会自动在加给字符串数组末尾加上'\0'的。
5.B i0,结果为错(0)。
6.B
7. C
8.D ps=&st1让ps指向st1后,C语言中为了方便用ps->num来代替了(*ps).num。而结构体变量名.成员名 才跟指针(*ps).成员名等价的。
9. A td[1][0]是4,则td[1][0]+'A'即为65+4=69就是E。
10.A 字符串遇到'\0'即结束的标识符就结束输出。
11.D 宏定义,不多详解了。
12.A 赋值运算符是自右至左结合的,a- =a+=a*=10,先计算a=a*10,a=80;再a=a+80,a=160;最后a=a-160,a=0了
13.B
14.C
15.D 这个只是初中数学而已,不要想多了。
16.C 排除法就行了 int的范围是-32768到32767.
17.B
18.C
19.A
20.D ++自增运算符只能用于变量,不能用于常量和表达式。
BDBDBBCDAADABADACCAD
我自己随便做的 当作复习C了 正确率能保证大部分对。。全对就不敢保证了 自己看着办
1.B 2.C 3.B 4.D 5.B 6.B 7.C 8.D 9.A 10.A 11.D 12.A 13.B 14.D 15.D 16.A 17.B
18.C 19.A 20.D
BCBDB BCDAA DABDD ABCAD 敢保证正确率百分之百。相信我,你不会后悔的!!
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