稻飞虱主要有哪三个种？
参考答案：
稻飞虱主要有褐飞虱、白背飞虱和灰飞虱三个种。
要在一个长、宽、高分别是120米，80米，深3米的游泳池的四周和底面抹上水泥，抹水泥的面积是多少平方米？
____________ fired, your health care and other benefits will not be immediately cut off. [ ]
A. Would you be
B. Should you be
C. Could you be
D. Might you be
