近年来,社会生活的联系越来越密切,需要有一种大众化、传播快的媒介,作为人与人之间沟通的渠道。适应这种需要,近代中国最先出现的媒介是[ ]
A.电影
B.电报
C.报刊
D.电话
答案:C
I am afraid I would have little influence over her________her mind was made up on any subject. [ ]
A. until
B. once
C. though
D. unless
YJ17回丝装置主回丝输送带将副回丝输送带输送过来的烟丝输送至后部()上。