(1)先算减法,再算乘法,最后算加法. 42+6×12-4. 发布时间:2017-06-29 16:46 │ 来源:www.tikuol.com 题型:解答题 问题: (1)先算减法,再算乘法,最后算加法.42+6×12-4.
题型:解答题 女,27岁,孕28周,临床诊断:胎盘早剥,其超声表现特征,不正确的是()。A.胎盘周围可见低回声区B.胎盘与子宫壁间见不均质回声C.胎盘切面见丰富血池结构D.胎盘明显增厚声像E.胎盘位于后壁时诊断较困难 查看答案
题型:解答题 Many students are playing sports on the playground. are playing soccer; are running and jumping. [ ]A. Others; the others B. Some; other C. Some; others D. One; the other 查看答案