A．麦克风
B．摄像头
C．扫描仪
D．SCSI硬盘
参考答案：D
解析：
[分析]： 见公共试题Ⅰ(27)。
已知梯形ABCD的高长为3，中位线EF的长为5，则这个梯形的面积为______．
We _______ like to talk with him, he is a thief. [ ]
A. don't
B. doesn't
C. are
D. look
