皮皮学，免费搜题
登录
搜题
【简答题】
产生不确定性的原因有哪些?
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
【简答题】【知识点1】 土地的功能: 生产性功能、承载功能、仓储功能、景观功能、历史记载功能、生态功能、储蓄增值功能 【知识点2】 土地利用是指: 土地自然生态子系统和土地社会经济子系统以人口子系统为纽带和接口耦合而成的土地生态经济系统。是人们依据土地资源的特殊功能和一定的经济目的,对土地的开发、利用、保护和整治。是指由土地质量特性和社会需求协调所决定的土地功能过程。 【知识点3】 规划的概念是指: 是指对...
【单选题】Which is correct about the spinal shock
A.
spinal shock results from the injury stimulus
B.
spinal shock only happen below the injured level
C.
all symptoms will restore to normal totally
D.
higher grade of the animals, the more rapid of restoration
E.
somatic voluntary movement will return after spinal shock
【单选题】Spinal reflex disappear when spinal shock happen because
A.
inhibition of intense stimulus from injure
B.
injury of spinal reflex center
C.
spinal reflex center loses the facilitation from high center suddenly
D.
decreased BP lead to the ischemia of spinal cord
E.
brain cortex can not control these reflexes
【多选题】Which of the following statements about the spinal cord are right?
A.
Two spinal nerves branch from each segment of the spinal cord. Different spinal nerves perform different functions.
B.
The spinal cord consists of 31 segments that span ～43 cm in length in women & 45 cm in men.
C.
It is a conduit for motor information that travels down the spinal cord, a conduit for sensory information that travels up the spinal cord & a center to coordinate reflexes.
D.
The spinal cord is a bundle of nerve fibers that transmits information between the brain & the peripheral nervous system.
【单选题】Regarding the anterior horn of the spinal cord
A.
there are two kinds of motor neurons
B.
the lateral nuclear group is almost present in most segments of the spinal cord
C.
the medial nuclear group is prominent in the segments of the cervical and lumbosacral enlargments
D.
the medial nuclear group supplies the muscles of the limbs
【简答题】现在生物技术依据其产生的 、 、和 分为第一代、第二代和第三代现代生物技术。
相关题目：
参考解析：
知识点：
题目纠错 0
发布
