问题
单项选择题 A1型题
外展神经通过哪个孔道进入海绵窦()
A.破裂孔
B.内听道
C.颈静脉孔
D.Dorello管
E.小脑幕裂孔
答案
参考答案:D
解析:外展神经发自脑桥下缘的桥延沟,向前经岩床韧带、岩尖和鞍背三者之间的Dorello管进入海绵窦。
外展神经通过哪个孔道进入海绵窦()
A.破裂孔
B.内听道
C.颈静脉孔
D.Dorello管
E.小脑幕裂孔
参考答案:D
解析:外展神经发自脑桥下缘的桥延沟,向前经岩床韧带、岩尖和鞍背三者之间的Dorello管进入海绵窦。
根据对话内容,从方框内的选项中选出能填入空白处的最佳选项,其中有两个为多余选项
W: _____ 小题1:__________ M: I don’t think that’s a good idea. We need to spend time with friends. W: That’s right. ____小题2:_________ M: Really? But my father asks me to make friends with all of my classmates. W: _______小题3:_________ M: But my mother doesn’t let me play computer games for long. W: __小题4:________ We mustn’t spend too much time playing computer games. M: _______小题5:___________ W: You are right. I think we need to talk to our parents and make them understand us. |