消化性溃疡引起的上消化道出血的首先治疗方法()。
A.三腔两囊管压迫止血
B.洛赛克
C.胃复安
D.丙谷胺
E.施他宁
参考答案:B
Every hour and every minute ______precious to us because only six months are left for us to prepare for the college entrance examinations.
A.will be
B.are
C.is
D.were
目的游离评价模式主张把评价的重点从“课程计划预期的结果”转向______上来。