题目

When will the speakers go roller-skating?A. 8:00 p.m. tonight.B. 9:00 a.m. tomorrow.C. 9:00 p.m. tomorrow. 答案：【答案】B【解析】此题为听力题，解析略。俄国对我国东北地区的侵略最早始于A.16世纪中期B.17世纪中期C.18世纪中期D.19世纪中期