There _____ some books on the desk.[ ] A 发布时间:2017-06-23 06:51 │ 来源:www.tikuol.com 题型:选择题 问题: There _____ some books on the desk. [ ]A. is B. have C. are D. has
题型:选择题 有关控制性降压对脑的影响,正确的是()A.非全麻病人可通过血压判断脑血流是否合适B.颅内高压病人用尼莫通降压停止后易加剧颅内高压C.血压下降至出现脑电图缺血改变时,脑血流自动调节功能丧失D.局部脑血流与脑电图改变呈正相关E.降压时脑静脉回流受阻易加重脑缺血 查看答案