78. How many doctors and nurses has ORBIS taught?　 　　　　　　　　　　　　　　　

77. ORBIS’ goal is to　 　　 __________

76. Both rich and developing countries have the knowledge of helping blind people.[　　 ]

40.People could live on the moon in the future.　

39.In March.　

38.For fun or homework.　　

37.We should let our parents know.　

40. Which new idea do you think may come true? 　

[答案]　 36.They should not cheat./ They should be honest.

39. When did the new rules come out?