41. If you are required to do some work， it must be done _____.

　　A. sooner or later

　　B. after all others

　　C. at last

　　D. in the long run

　　正确答案是

　　42. If you know what the trouble is， why you don‘t help them to _____ the situation？

　　A. simplify

　　B. modify

　　C. verify

　　D. rectify

　　正确答案是

　　43. I‘m sorry， but what he thinks is not of the _____ important to me.

　　A. worthy

　　B. valuable

　　C. valueless

　　D. priceless

　　正确答案是

　　44. I‘m sure your suggestion will _____ the problem.

　　A. contribute to solving

　　B. be contributed to solve

　　C. contribute to solve

　　D. be contributed to solving

　　正确答案是

　　45. I‘m very much obliged to you _____ the information.

　　A. on

　　B. for

　　C. with

　　D. of

　　正确答案是

　　46. In American universities， classes are often arranged in more flexible _____ and many jobs on campus are reserves for students.

　　A. scales

　　B. ranks

　　C. grades

　　D. patterns

　　正确答案是

　　47. In Beijing， the season of the year is probably _____ fall.

　　A. later

　　B. last

　　C. latter

　　D. late

　　正确答案是

　　48. In spite of the wide range of reading material specially written or ______ for language learning purposes， there is yet no comprehensive systematic program for the reading skills.

　　A. adapted

　　B. acknowledged

　　C. assembled

　　D. appointed

　　正确答案是

　　49. In that country， guests tend to feel they are not highly _____ if the invitation to a dinner party is extended only three or four days before the party date.

　　A. admired

　　B. regarded

　　C. expected

　　D. worshipped

　　正确答案是

　　50. In that country， students will be _____ admittance to their classroom if they are not properly dressed.

　　A. declined

　　B. deprived

　　C. denied

　　D. deserted

　　正确答案是