题目内容
(请给出正确答案)
[单选题]
以下能正确定义且赋初值的语句是 ______。
A.int n1=n2=10;
B.char c=32;
C.float f=f+1.1;
D.double x=12.3E2.5;
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A.int n1=n2=10;
B.char c=32;
C.float f=f+1.1;
D.double x=12.3E2.5;
A.float *p=1024;
B.int *p=(float)x;
C.float p=&x;
D.float *p=&x;
A.inta=b=c=10
B.inta,b,c=10
C.a=10,b=10,c=10
D.a=b=c=10
A.har str[5]= "good
B.har *str="good
C.har str[]="good
D.har str[5]={'g', 'o','o', 'd'}
A)t1=t2;
B)t2.num1=t1.num1;
C)t2.mark=t1.mark;
D)t2.num2=t1.num2;
A.常量标识符中不能有下划线
B.常量声明时不需要进行初始化
C.常量标识符中不能有美元符号
D.常量被定义并赋初值后,它的值就不能再被改变
A.structstudentstu[2]={1,"zhangsan",2,"lisi"}
B. struct student stu[2]={1, "zhangsan",2,"li si"}
C. struct student stu[2]={{1,"zhangsan"},{2,"li si"}};
D. struct stu[]={{1,"zhangsan"},{2,"li si"}}