【单选题】To know more about the British Museum, you can use the Internet to go to the library, or _______. [ ]
【简答题】Which area can a person who is interested in Internet go to? He can go to_________________________.
【简答题】航空旅客随身携带物品的体积不超过_____厘米,重量不超过_____千克。
【单选题】To know more about the BritishMuseum, you can use the Internet or go to the library, or _____ . [ ]
【单选题】_______ many people first go to the Internet for information, it is not always the best place for what you need.
【单选题】旅客随身携带物品的体积不能超过( )厘米。
【判断题】在N型半导体中,掺入高浓度的三价硼元素可以改型为P型半导体。(A. √ B. ×
【简答题】随身携带物品的重量每位旅客以()公斤为限,每件随身携带物品的体积不得超过()厘米。
【判断题】随身携带物品,体积不超过 20×40×55 立方厘米,重量不超过 5 千克。