【单选题】______ emergency when you are in a lift, you can make a phone call for help.
【单选题】教有部所属综合大学的附属医院发现脊髓灰质炎疫情,应当报告的部门是
【单选题】大型宴会开始前 分钟左右摆上冷盘。( )
【单选题】听力原文:Do you happen to know when I should return Jones' call? (A) Yes, you have to call him tomorrow morning. (B) No, it's not cold. (C) I don't know why he called you. (7)