长期肠外补充营养的首选途径是（）。
A.鼻胃管
B.鼻十二指肠管
C.头静脉
D.大隐静脉
E.颈内静脉
参考答案：E
Neither is that _______ .
A．your nor is that mine
B．yours nor is that me
C．yours nor that is mine
D．yours nor is that mine
电动齿轮油泵的作用？
