下列哪项不是贾第虫病的防治原则
A.消灭白蛉等传播媒介
B.注意饮食卫生
C.加强粪便管理
D.治疗病人和带囊者
E.保护水源、防止传播
参考答案:A
----He seems to be lost in thought. Why?
---Because the film _____ his memories of his childhood.
A.calls up
B.picks up
C.brings up
D.takes up
桡侧腕伸肌的支配神经是()
A.C5
B.C6
C.C7
D.L2
E.L3