流行性乙型脑炎()
A.飞沫传播
B.注射传播
C.虫媒传播
D.食物传播
E.疫水接触传播
参考答案:C
Mary's skirt is the same _____ her sister's. [ ]
A. with
B. as
C. to
衬板的型式和材料对磨矿过程有什么影响?应选择哪种衬板?