1.Rulers are everywhere.When you're reading at the library,playing basket on the playground or driving on the road,you'll have to follow some rules.But have you ever read any rules on a plane?If you're traveling by air in America,you may find the following criteria (标准).
54.The passenger sitting in an exit seatC.
A.must be under 15 B.needn't speak English
C.must be healthy enough D.needn't help others
55.If you are sitting in an exit seat,you can NOTB.
A.explain the reason B.bring a pet with you
C.read Exit Seat Criteria D.move to another seat
56.This piece of Exit Seat Criteria may appearD.
A.on the playground B.on a train C.on the road D.on the plane
57.The Chinese meaning of the word"meet"in this passage is probably"B".
A.遇见 B.符合 C.相信 D.开会.