预防尘肺病的措施是什么?
参考答案:
采取综合防尘,使作业场所的矿尘含量符合国家标准。同时做好个人防护(防尘口罩)。
句子排序。
( ) Look at the blue T-shirt.
( ) Have you got a big one?
( ) I'II buy a T-shirt.
( ) Here it is.
( ) The blue one is small.
( ) That's nice. I'll take it.
毛囊角化病的致病基因为()。
A.ATP2A2基因
B.ATP2C1基因
C.ABCA12基因
D.STS基因
E.K5基因