57.In fact,the first baby turtle worked as .
A.a clever spy to attract the birds outside B.one to get information outside the nest
C.a leader to come out first D.a brave guard to fight against the birds
56.At first, the guide would not help the young turtle out of the nest because .
A.he wouldn’t mind others’business
B.he thought the young turtle liked to dash into the sea
C.he wanted the young turtles to take their own course
D.he thought the young turtle should have come out earlier
54.A.other B.new C.second-hand D.spare
53.A.repair B.remove C.throw D.check
52.A.tyre B.chair C.car D.leg
51.A.came B.recovered C.learned D.turned
50.A.pleasure B.death C.shock D.wake
49.A.trapped B.locked C.thrown D.found
48.A.highly B.successfully C.hard D.hardly