56.We can learn from the first paragraph that .
A.car-planes will be popular in 2011
B.people might drive a car-plane in 2011
C.both Transition and Ferrari can take off and land
D.Richard Gersh is the vice president of Massachusetts
57.lt takes the car-plane one minute to .
A.fold and unfold its wings B.unfold wings for flying
C.land in the airport D.meet flying safety regulations
