2.航天飞机　　 a space shuttle

1.大洋中最深的地方the deepest point in the ocean

60.美国宪法 the Constitution of the United States of America

高二英语新教材Unit 12 some phrases

59.免费七日欧洲双人游

a 7-day free trip to Europe for two

58.得满分　　　 get full marks

57.并非所有的都 not all

56.最杰出的新突破

　the most outstanding new breakthroughs

55.用强有力的论点为之辩护

support it with strong arguments

54.清晰陈述你的观点state your opinion clearly

53.创建了智能机器人

　build the nation’s first humanoid robot