我国脑性瘫痪的发病率
A.0.18%~0.4%
B.1.0%~2.5%
C.0.5%~1.0%
D.1.0%~1.4%
E.0.05%~0.1%
参考答案:A
In relation to company insolvency:
(a) Explain the purposes of observation. (3 marks)
进入2台再生塔的压缩空气是()进入的。
A、串联
B、并联
C、依次先进A再进B