50. Computer power now allows automatic searches of fingerprint files to match a print at a crime ______.

　　A) stage B) scene

　　C) location D) occasion

　　51. The most basic reason why dialects should be preserved is that language helps to ______ a culture

　　A) retain B) relate

　　C) remark D) review

　　52. Companies are struggling to find the right _______between supply and demand, but it is no easy task

　　A) equation B) formula

　　C) balance D) pattern

　　53. Mass advertising helped to _______ the emphasis from the production of goods to their consumption

　　A) vary B) shift

　　C) lay D) moderate

　　54. Because of his excellent administration, people lived in peace and _____ and all previously neglected matters were taken care of.

　　A) conviction B) contest

　　C) consent D) content

　　55. I know you’ve got a smooth tongue, so don’t talk me ______ buying it

　　A) away B) down

　　C) out D) into

　　56. Showing some sense of humor can be a(n) _______ way to deal with some stressful situation

　　A) effective B) efficient

　　C) favorable D) favorite

　　57. The situation described in the report ______ terrible, but it may not happen

　　A) inclines B) maintains

　　C) sounds D) remains

　　58. The company is trying every means to ______ the wholesale price of its products

　　A) pull down B) put down

　　C) set down D) bring down

　　59. The mayor ______ the police officer a medal of honor for his heroic deed in rescuing the earthquake victims

　　A) rewarded B) awarded

　　C) credited D) prized

　　60. The native Canadians lived in _______ with nature, for they respected nature as a provider of life

　　A) coordination B) acquaintance

　　C) contact D) harmony

　　61. Many people are asking whether traditional research universities in fact have any future _______.

　　A) at all B) so far

　　C) in all D) on end