遇水燃烧物质是指与水或酸接触会产生可燃气体,同时放出高热,该热量就能引起可燃气体着火爆炸的物质。下列物质属于遇水燃烧的是()
A.碳化钙(电石)
B.碳酸钙
C.硝化棉
参考答案:A
You _____ if you had spoken the truth out. But you were as quiet as a mouse. [ ]
A. mustn't have been blamed
B. shouldn't be blamed
C. wouldn't have been blamed
D. couldn't be blamed
在功能性垂体瘤中,最常见的是()
A.生长激素泌乳素混合瘤
B.生长激素瘤
C.泌乳素瘤
D.促甲状腺素瘤
E.促肾上腺皮质激素瘤