剧烈而频繁的呕吐可导致()
A.呼吸性酸中毒
B.呼吸性碱中毒
C.代谢性酸中毒
D.代谢性碱中毒
E.混合性酸中毒
参考答案:D
—Why don't we go to the New Time Square to watch a movie?
—_____. I have to go to dancing lessons.[ ]
A. That's a good idea
B. I don't think so
C. I'm afraid it's not a good idea
D. I won't go there
下列选项中,不应划入基本农田保护区的是( )。
A.坡度为28°的耕地 B.蔬菜生产基地C.农业科研、科学试验田 D.有良好的水利与水土保持设施的耕地