强镇痛药中,“为人工合成的强效镇痛药,作用强度为吗啡的12000倍”为()
A.吗啡
B.罗通定
C.二氢埃托啡
D.延胡索乙素
E.哌替啶(度冷丁)
参考答案:C
选择括号内恰当的单词或词组填入空白处,使句意完整、正确。
小题1:I want to keep healthy, so I eat fruit and vegetables __________(instead/ insead of)chips and chocolate.
小题2:Everyone in our class felt ____________ (exciting / excited)because we were winners.
小题3:-Could you please____________ (tell / telling )me your plan for this year?
-Sure.
小题4:-Will you visit the Great Wall ?
-Yes,we are___________ (leaving/ leaving for) Beijing tomorrow.
小题5:-LiuXiang is one of the beast ____________ (runner/ runners) in the world.
-I think so.
肺部渗出病变的X线表现是
A.边缘清楚、密度高的结节状阴影
B.云雾状、边缘模糊不清的阴影
C.密度增高的条索状阴影
D.边缘锐利不整、密度高之斑点状阴影
E.密度减低的透亮区