Which of the following MF frequencies is internationally allocated for use for transmitting NEVTEX-type broadcasts? A: 518 kHz using FEC mode. B: 4. 209. 5 kHz using FE mode. C: 486 kHz using FBC mode in China. D: All of the above.

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.

Which of the following is not a button? ( ) A: type=”button” B: type=”reset” C: type=”image” D: type=”submit”

密码输入框和文本输入框样式同时定义时，写法正确的是（ ） A: input[type="text"] [type="password"] { } B: input[type="text"],[type="password"] { } C: input([type="text"],[type="password"]) { } D: input(type="text"),(type="password") { }