用下列哪种药物治疗最合适
A.西地兰B.速尿C.氨茶碱D.阿托品E.654-2经处理后仍无明显缓解,且连续发作一天多
参考答案:C
Private cars really provide much convenience to people, and ___ they cause too many problems.
A.meanwhile
B.therefore
C.otherwise
D.instead
何谓大量咯血()
A.日咯血量>100ml
B.日咯血量>200ml
C.一次咯血量>100ml
D.一次咯血量>200ml
E.一次咯血量>300ml