粉尘中游离二氧化硅含量50%～﹤80%，总粉尘最高允许浓度为（）mg/m3
A.1
B.2
C.10
参考答案：B
With Father's Day around the corner,l have taken some money out of the bank _____ presents for
my dad. [ ]
A. buy
B. to buy
C. buying
D. to have bought
外国人犯罪的刑事案件，人民检察院应当向（）
A．最高人民法院提起公诉
B．高级人民法院提起公诉
C．中级人民法院提起公诉
D．基层人民法院提起公诉
