皮皮学，免费搜题
登录
搜题
【单选题】
人耳最敏感的声波频率范围是A.
20~2000Hz
B.
20~20000Hz
C.
300~3000Hz
D.
1000~3000Hz
E.
3000~10000Hz
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【多选题】For the myelinated nerve fibers, which are right for nerve impulse conduction( )
A.
only happen at nodes of Ranvier
B.
saltatory conduction
C.
continuous conduction.
D.
conduction speed is quick
E.
conduction speed is slow
【简答题】conduction dryillg
【单选题】Professor Wu traveled and lectured throughout the country to ______education and professional skills so that women could enter the public world.
A.
prosecute
B.
acquire
C.
advocate
D.
proclaim
【简答题】A year after graduation, I was offered a position teaching a writing class. Teaching was a profession I had never seriously considered, though several of my stories had been published. I accepted the ...
【简答题】What are the ideal jobs for the future? This is one question which every student and young professional seems to worry about. Having an idea of the best jobs for tomorrow can help them make the right ...
【单选题】What do we know about the Fulford Battlefield Society?
A.
It is an organization of professional and amateur historians.
B.
It strives for preserving the Viking recycling site against potential development.
C.
It assisted professional archaeologists in the excavation of the Viking recycling center.
D.
It is an amateur organization cooperating closely with professional archaeologists.
【单选题】Nerve fiber conduction is not characterized by
A.
structurall integrity
B.
Insulation
C.
Relatively indefatigability
D.
Unidirectional conduction
【简答题】气传导(air conduction)
【单选题】Overeating is considered as 'disordered eating' by
A.
most doctors.
B.
mental health professionals.
C.
American people.
D.
drug developers.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
