预防旅游者在旅游期间丢失证件、行李等,导游人员不应该()。
A、多做提醒工作
B、代管游客的证件
C、切实做好行李的清点、交接工作
参考答案:B
She brought with her three friends, none of _____ I had ever met before. [ ]
A. them
B. who
C. whom
D. these
EDP壳体回油滤位置()
A.大翼后梁
B.发动机上风扇包皮内
C.在主轮舱
D.在空调舱