同一煤种不同粒度条件下,爆炸压力随粒度的减小而增高。
参考答案:对
Woman: Don't you know Jim works as a dish washer at a restaurant around the corner Man: It isn't a bad job to start with. I wouldn't mind that job for the summer if no others are available. Question: What does the man mean
A.He likes the job of a dish washer because it pays well.
B.He thinks it's important to have a good job from the beginning.
C.He hates to be a dish washer because it's boring.
D.He would work as dish washer in summer if he has to.
2016年5月1日起新纳入营改增的纳税人,全部纳入商品和服务税收分类与编码试点范围,使用具有编码功能的增值税发票管理新系统开具增值税发票。