单项选择题A.It uses nuclear energy.B.It flies over magnetically activated tracks.C.It rests on a cushion of professional air.D.It uses a device similar to a jet engine.
单项选择题A.She prefers the job where he could travel a lot.B.She prefers the job where she could make good money.C.She prefers the job where she could meet international business people.D.She prefers the job that would give her lots of chances of promotion.