耳穴中，与上肢相应的穴位在耳郭的分布部位是（）。
A.耳垂
B.耳舟
C.对耳轮体
D.三角窝
E.耳甲
参考答案：B
----- You should have finished your homework, I gave your much time.
----- Sorry, but I_____ it.
A．had forgotten
B．forgot
C．was forgotten
D．forget
泡沫灭火系统按发泡倍数分为几类？按型式和性能分几类？
