心脏收缩力增强时,静脉回心血量增加,这是因为 ( )A.动脉血压升高 B.血流速 发布时间:2017-06-03 10:01 │ 来源:www.tikuol.com 题型:单项选择题 问题: 心脏收缩力增强时,静脉回心血量增加,这是因为 ( )A.动脉血压升高B.血流速度加快C.心排出量增加D.舒张期室内压低E.静脉压增高
题型:单项选择题 He is disappointed at not getting the job, but he'll _____ it in a few days. [ ]A. get upB. get over C. get around D. get down 查看答案