皮皮学，免费搜题
登录
搜题
【单选题】
B受体兴奋引起A.
心脏兴奋,皮肤,黏膜,内脏血管收缩
B.
骨骼肌血管扩张,膀胱通尿肌收缩
C.
骨骼肌收缩,植物神经节兴奋
D.
胃肠平滑肌收缩,腺体分泌增加
E.
支气管平滑肌松弛,血管扩张
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】So far, she _____ about 400 English words. [ ]
A.
learned
B.
learns
C.
has learned
D.
is learning
【单选题】心内科全体护理人员为提高静脉穿刺成功率，就目前存在的问题进行原因分析，此为PDCA管理模式的
A.
计划阶段
B.
实施阶段
C.
检查阶段
D.
处理阶段
E.
反馈阶段
【单选题】An upright vessel has negative GM．GM becomes positive at the angle of loll because the ______．
A.
Free surface effects are reduced due to pocketing
B.
KG is reduced as the vessel seeks the angle of loll
C.
Effective beam is increased causing BM to increase
D.
Underwater volume of the hull is increased
【单选题】The Language School has really _____ me _____ English. [ ]
A.
helped; learned
B.
help; learned
C.
help; learn
D.
helped; learn
【单选题】Pei says he _____ more about animals so far. [ ]
A.
has learned
B.
learned
C.
is learning
相关题目：
参考解析：
知识点：
题目纠错 0
发布
