小儿发结如穗，枯黄稀疏属于()
A.先天不足
B.疳积
C.血热
D.肾精亏损
E.血虚
参考答案：B
如何诊断杀虫脒中毒?
The crude oil overflowed from measuring-hole due to（）the valve of No.1 tank.
A.not close
B.not closing
C.not have closed
D.no closing
