皮皮学，免费搜题
登录
搜题
【简答题】
简述内分泌系统包括哪些器官？这些器官中如何发挥兴奋和抑制作用的？
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
【单选题】When shall the stand-on vessel change course and speed?
A.
the stand-on vessel may change course and speed at any time as it has the right of way
B.
after the give-way vessel sounds one blast in a crossing situation
C.
when action by the give-way vessel alone cannot prevent collision
D.
when the two vessels become less than half a mile apart
【单选题】---When shall we meet tomorrow then? --- ．Whenever it is convenient for you.
A.
Help yourself
B.
It’s a deal
C.
Noproblem
D.
It’s up to you
【单选题】成人胸外心脏按压的操作,下列哪项是错误的
A.
病人仰卧背部垫板
B.
急救者用手掌根部按压
C.
按压部位在病人心尖区
D.
使胸骨下陷4~5cm
E.
按压要有节律,每分钟100次
相关题目：
参考解析：
知识点：
题目纠错 0
发布
