【单选题】At times, worrying is a normal _____ to a difficult event or situation-a loved one being _____ in an accident, for example. [ ]
【单选题】以下设备工作在 OSI 物理层的是 ________ 。
【单选题】面对个别游客恶意攻击和诬蔑我国的言论,导游人员应该()
【简答题】完形填空 I had always loved music and dreamed of being a musician, traveling to different countries, meeting lots of people and doing something I loved to earn my money.__ 1 __, my parents had a farm and ...
【单选题】下列设备工作在 OSI 物理层的是 ________ 。
【单选题】36面对个别游客恶意攻击和诬蔑我国的言论,导游人员应该 ( )