在钢板轧机上，（）之间的距离叫做辊缝。
A．两个轧辊辊环
B．上下工作辊
C．上下支撑辊
D．上下两个轧槽
参考答案：B
Don't talk to Aunt Lily like that. She is already _______ 80-year-old lady. [ ]
A. a
B. an
C. the
茅盾，原名绍钧，著有《子夜》、《林家铺子》等作品。( )
