1. 班机   airliner   glider   pickup truck, pick-up van   jet plane   Hint Half-n-half Clue   2. 卡车，搭便车搬运车   pickup truck, pick-up van   raft   kayak   monorail   Half-n-half Clue   3. 木筏   glider   raft   subway   streetcar, tram   Half-n-half Clue   4. 风船   sailboat   motorboat   pickup truck, pick-up van   raft   Half-n-half Clue   5. 汽艇   jet plane   motorboat   streetcar, tram   subway   Half-n-half Clue   6. 地铁   pickup truck, pick-up van   subway   cruiser   kayak   Half-n-half Clue   7. 滑行车   raft   airliner   scooter   motorboat   Half-n-half Clue