以下各类媒体中，属于表现媒体的是（）。
A.喇叭
B.硬盘
C.RAM
D.双绞线
参考答案：A
不等式|2x-3|＜x+1的解集是______．
— Oh, my cat is really fat.
— You __ have given her so much food.
A．wouldn't
B．mustn't
C．couldn't
D．shouldn't
