病理变化多发于肢体、耳壳、尾尖等水分容易蒸发的体表部位的坏死属于()
A.干性坏疽
B.湿性坏疽
C.气性坏疽
D.干性坏死
E.湿性坏死
参考答案:A
—Will you please _____ the TV a little? Jack is doing his homework.
—Terribly sorry. I will. [ ]
A. turn down
B. turn up
C. turn on
D. turn off
某地区的农林虫害和鼠害非常严重,最可能的一个原因是( )
A.农药用量少
B.人们乱捕滥杀鸟类
C.农药施用不及时
D.害虫、鼠类繁殖快