导致泄泻发生的重要因素在于
A．脾胃虚弱B．肾阳虚衰C．感受外邪D．食滞肠胃E．脾虚湿盛
参考答案：E
With the boy______ the way, we had no diffaculty ______the village.
A．to lead; to find
B．leading; to find
C．leading; finding
D．to lead; finding
嘧啶威,抗蚜威,环虫腈,嘧螨醚等
