热点、突发性问题快速调查适用()
A.入户访问法
B.计算机辅助访问法
C.电话调查法
D.焦点小组座谈法
参考答案：C
—Tom, your lazy bone! You left the dishes unwashed again!
—________? Mum isn't at home and she can't hear you.[ ]
A. Why
B. So what
C. For what
D. How come
咀嚼运动的动力是（）
A.牙齿
B.上颌骨
C.下颌骨
D.颞下颌关节
E.咀嚼肌
