若定义结构体类型变量student，以下各项对结构体变量成员引用错误的是（）。structstud_type{intnum;charname[10];intage;floatscore;}student;

在visualc++6.0编译环境下，设有以下结构类型说明和变量定义，则变量a在内存所占字节数是structstud{charnum[6];ints[4];doubleave;}a;

在如下结构体定义中，不正确的是。 A: structstudent{longno;double score;}; B: structstud[20]{long no;doublescore;}; C: structstudent{longno;doublescore;}stud[20]; D: struct{longno;doublescore;}stud[100];

There are four blood types； Type A, Type B, Type AB and Type O.

One of the parents is type A and the other is type B. the possible blood type of their children is A: It can only be type AB B: It can only be type A or type B C: It can only be type A, B and AB D: Type A, B, AB, O E: It can only be type AB or type O

下面哪个不是HTML5新增TYPE属性？ A: type="email" B: type="url" C: type="number" D: type="clock"

How to send a message? A: type the message→tap Send→type a phone number B: type a phone number→type the message→tap Send C: tap Send→type a phone number→type the message D: type a phone number→tap Send→type the message

下列哪个选项不能表示按钮( )（选择2项） A: type=submit B: type=type C: type=color D: type=button

Type A is a type of blood.

The common ventilation methods of working face are type , Z type, Y type, H type and so on.