平流沉淀池沉淀区的长度和（）有关
A.水平流速和停留时间
B.流量和池深
C.水流流速和池深
D.流量和停留时间
参考答案：A
一个直角三角形的两条直角边分别是6cm和8cm，斜边长10cm，这个直角三角形的面积是______cm2．
_____, his idea was accepted by all the people at the meeting.[ ]
A. Strange as might it sound
B. As it might sound strange
C. As strange it might sound
D. Strange as it might sound
