题目

阅读理解 AirlineFlight number DestinationDeparture timeGate Air Canada137Beijing10.12a.m.24 Japan Airlines320Tokyo10.30a.m.18 British Airways405Paris11.00a.m.20 Pan American226London11.20a.m.12 Pan American 12Beijing11.43a.m.15 Air Canada178Tokyo12.32p.m.21 CAAC289Hong Kong12.32p.m.14 1. If you want to fly to Paris, you should take________. A. Flight 137  B. Flight 320  C. Flight 226  D. Flight 405 2. Flight 289 to Hong Kong leaves at_______. A. 11.43a.m.  B. 10.12a.m.  C. 12.32p.m.  D. 10.12a.m. 3. A lady wants to take Flight 12 to Beijing, she should go to Gate________. A.已知，以a、b、c为边组成的三角形的周长等于________．