男，70岁。突发剧烈头痛、呕吐、左侧肢体活动障碍6小时，昏迷小时。1小时前呕暗红色血液1次。应首先考虑的呕血原因是
A、急性胃黏膜病变A
暂无解析
_____,hecannowonlywatchitonTVathome.
Itisnecessarythatthestudents____moreexcercisestodo.
Whatactually__________agoodangle—oragoodselfieoverall—isrootedinwhatweconsiderbeautiful.
Thebeachisinanideal（）todrawtourists.
Hiscompanionshavethreatenedto__hiscrimestothepolice.
