66.Now colleges and universities are seeing a change in students’ lifestyle. More and more college students prefer to stay in the dormitory in their leisure time and become indoorsmen or indoorswomen. The Internet offers students many options to kill the spare time. Various on-campus services, from food delivery to laundry services, are fueling the culture of staying in dormitories. Some students argue that outdoor sports or social activities are no better than staying in the dormitory and playing on a computer. Irregular life and lack of physical exercise have become the health enemy of college students.

46. Meaning of stress: Stress is a feeling if you______ about something that you cannot solve.

（ ）51. Simon has got many pen friends and net friends home and abroad. He loves this school and wishes that he could do something to have more people know about it, those excellent teachers and students, the activities and its glorious achievements.

23. Not until the game had begun _____ at the sports ground. 

21. _____ several times, they need encouragement.  

34. —Tom, let’s hang out after school.  —Sorry. I have _____ Frank to work on the biology report with him. 

17. My boss ordered that the legal documents______to him before lunch.

62.这项研究没有将人们的生活纺式和生活习惯考虑在内。

28. While cleaning the snow on the road, _____.

40. Which of the following has the same meaning with the last two sentences?

12.根据原文"People who are nearsighted can only see things that are very close to their eyes."可知近视眼只能看清近处的事物，与题干不符。故错误。

64.我们已研制出了能大规模提高生产的方法。