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

25. —May I play the computer game tomorrow, Dad?—Certainly not, unless your homework _____ by then. 

49. How to keep stress proper:(1) Have a balanced life.(2) Have and have healthy food.

29. Some students have difficulty _____ English, so they often ask their English teacher for help. 

43. All the following are talked about in the passage EXCEPT

65.应该为这件事负责任的是这位老师，而不是学生们。

41. What shop did the author’s father own?

20. The new highway is almost _____ than the old one. 

（ ）53. Frank showed his ability of organization when he was still a very young boy. As a student, he wishes he could do something to improve the relationship between the teaching staff and the students. And, as a matter of fact, he has that ability.

26. —That man looks familiar. —Really? Have you forgotten _____ to him at David’s party?

（ ）15. Reading is the main factor accounting for the eyes diseases.

61.鉴于以上所述，我认为大学生有必要参加社会实践。