通常用哪种方法来区分犬胃扭转、肠扭转、脾扭转和单纯性胃扩张
A、触诊B
暂无解析
微分方程的特解可设为（）
Inordertolivethekindoflifewewantandtobethepersonwewanttobe，wehavetodomorethanjust________withevents．
Ifound________toanswerallthequestionswithinthetimegiven.
Theproblem________whenthestudentsrefusedtodotheirhomework.
Idon'tknowhowwecanmake________onthetimetableforanymorecourses.
