胃溃疡腹痛的规律
A.进食后疼痛缓解B.进食后疼痛加重C.痉挛性腹痛,肠鸣音亢进,排便后缓解D.疼痛—便意—便后缓解E.腹上区饱胀感,与进食关系不明显
参考答案:B
电化学发光免疫分析(ECLIA)三联吡啶钌NHS酯产生的位置是()。
A.在气相反应中进行
B.在液相反应中进行
C.在固相反应中进行
D.在电极表面进行
E.在顺磁性微粒表面进行
As for the influence of Internet,nowhere()the results more clearly than in the US.
A.we have seen
B.we had seen
C.seen we have
D.have we seen