慢性肾衰竭的中医病机是()。
A.肾失气化,水湿浊瘀不能排出体外
B.肾元虚衰,湿浊内蕴
C.药毒伤肾
D.劳伤久病,脾肾亏虚
E.饮食不当
参考答案:A
We were scared to death when the fire _____. Fortunately, it was put out before it caused much damage.
A.broke out
B.came out
C.gave out
D.turned out
硫化促进剂中,被禁用于食具的是()
A.氧化锌
B.氧化镁
C.氧化钙
D.氧化铅
E.氧化铜