降压反射的生理意义是 A．降低动脉血压 B．升高动脉血压 C．减弱心血管活动 D．加 发布时间：2017-05-09 14:31 │ 来源：www.tikuol.com 题型：单项选择题 问题： 降压反射的生理意义是A．降低动脉血压B．升高动脉血压C．减弱心血管活动D．加强心血管活动E．维持动脉血压相对恒定
题型：单项选择题 Read and match.( )1. What's the matter? ( )2. What did he do? ( )3. What's she doing? ( )4. What's she going to do? A. He watched TV. B. She's going to read a book. C. She's cleaning the room. D. I have a headache. 查看答案