<正>阅读地带A The Maryland Science Center is more than fun.You can enjoy the first three floors of exciting things,watch the larger-than-life play on the 4th floor,and travel to other worlds,to faraway stars,on the 5th floor.Don’t just look.You are expected to feel,to turn,to push.Build your own house and learn why it stands or fails.Use computers to work out plans just as famous scientists have done.There is always something new to learn at the Maryland Science Center.