治疗房室传导阻滞可选用
A.肾上腺素B.去甲肾上腺素C.异丙肾上腺素D.酚妥拉明E.多巴胺
参考答案:C
39. Once everyone is _____ his life, he will instinctively(本能) find every possible way _____.
A.in danger of; out of danger
B.in the danger of; out of danger
C.in danger of; out of the danger
D.in the danger of; out of the danger
如图是甲、乙两种固体物质的溶解度曲线。下列有关叙述的是 ( )
A.0℃时,甲物质的溶解度为40g
B.10℃时,甲、乙两种物质的溶解度相等
C.30℃时,甲物质饱和溶液的质量分数为60%
D.除去甲物质中少量乙物质可采取蒸发的方法