皮皮学，免费搜题
登录
搜题
【多选题】
阿片类药物全身给药时，其镇痛机制包括（）A.
作用于外周伤害性感受器的阿片受体
B.
作用于脊髓背角神经元的阿片受体
C.
作用于脊髓上神经元的阿片受体
D.
作用于脊髓背角神经元的α受体
E.
作用于脊髓上神经元的β受体
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Why did he disapprove of the family?
A.
Because they did not have much money.
B.
Because the children were badly behaved.
C.
Because they did not speak to him.
D.
Because they were arguing in front of other people.
【单选题】Why did Miguel think it was better not to have a family?
A.
Because he thought that sometimes family members kept him from following his heart.
B.
Because he hated his family.
C.
Because his family didn’t love him.
D.
Because he had no family.
【单选题】Why did they want to try that one?
A.
Because it was about family life.
B.
Because they knew nothing about it.
C.
Because there was violence in it.
D.
Because it was about gangsters.
【单选题】Why did they want to try that one?
A.
Because it is about family life.
B.
Because they know nothing about it.
C.
Because there is violence in it.
D.
Love story.
【单选题】According to the passage, why did so many family-run businesses fail?
A.
Because they are frequently facing financial problems.
B.
Because the family members in these companies do not trust each other.
C.
Because there are often communicative problems within family members.
D.
Because they do not focus on family ties.
【简答题】Why was the washwoman’s absence a catastrophe for the narrator’s family? Why did the family mourn the old woman?
【单选题】Why did the man go to school on foot?
A.
No bus ran in that direction.
B.
His family was poor.
C.
The school was near.
【单选题】Why did the Taylor family move to Newport?
A.
Because the Taylors liked to live in Newport very much.
B.
Because many people moved to Newport.
C.
Because the changes took place in Brownsville.
D.
Because the changes took place in Newport.
相关题目：