39.完全不同于今天的样子

be quite different from what they are today

38.随着对人体的更深入的了解

　with a better understanding of a human body

37.人类能生活在火星上

man be able to live on Mars.

36.喜欢网上冲浪 be fond of surfing the Internet

35.治疗新的疾病 deal with new diseases

34.旅行时带太多的现金

carry too much cash when you travel

33. 更注重健康饮食的重要性pay more attention to the importance of a healthy diet

32.年纪大了很活跃

remain active even in old age

31.快餐店　 the fast food restaurant

30.时尚　 the trends of fashion