下列哪种药物的中间代谢产物能透过血-脑脊液屏障并产生麻醉作用()
A.依托咪酯
B.硫喷妥钠
C.芬太尼
D.羟丁酸钠
E.丙泊酚
参考答案:D
More than one hundred and fifty teachers are working hard in our school, ______ ages twentythree
______ fortyfive.[ ]
A. which, range to, between
B. whose, range from, to
C. that, range for, and
D. it, range with, to
选举公开的主要内容不包括( )
A.选民情况公开
B.公布竞选经费的使用情况
C.候选人公开表达自己的见解和主张
D.公布竞选经费的来源