52.The hostess ____ in the contract that the rent should be paid in cash at the beginning of each month.

　　A) assumed　　B) submitted C) exposed　　D) specified

　　53.This year, the number of accidents has ____ that of last year.

　　A) overtaken　　B) overweighed C) overcome　　D) overshadowed

　　54.You must ____ yourself or they will continue to bully you, so you will go on living in disgrace.

　　A) assess　　B) assert C) maintain　　D) promote

　　55.While both plans were perfectly sensible, only one seemed ____ in China's particular situation.

　　A) available　　B) feasible C)resolvable　　D) presumable

　　56.A good teacher must know how to ____ his ideas to the students, as generally agreed by educational experts.

　　A) transmit　　B) transfer C) convey　　D) communicate

　　57.If you keep on taking on more work than you can do, your health will ____.

　　A) decline　　B) degrade C) degenerate　　D) deteriorate

　　58.The director tried to wave aside these issues as ____ details that would be settled later.

　　A) preliminary　　B) primary C) trivial　　D) alternative

　　59.As one of the youngest professors in the university, Miss King is certainly on the ____ of a brilliant career.

　　A) end　　B) edge C) threshold　　D) course

　　60.During the famine of 1943, millions of peasants ____ to the cities because they could not make a living in the countryside.

　　A) immigrated　　B) emigrated C) migrated　　D) generated

　　61.I'm sorry to inform you that you application has been declined. Our manager thought you were not ____ for the post.

　　A) legible　　B) eligible C) valid　　D) literate

　　62.Visitors to Britain are sometimes surprised to learn that newspapers there have such a large ____.

　　A) issue　　B) distribution C) coverage　　D) circulation

　　63.This line was carrying equal number of eastbound and westbound trains, and they ____ regularly.

　　A) altered　　B) alternated C) switched　　D) exchanged

　　64.The three astronauts have splashed down in the Pacific Ocean, only six

　　miles from the aircraft carrier that was ____ for the recovery mission.

　　A) dispatched　　B) deposited C) deployed　　D) delivered

　　65.Pubs have fanciful names like "The Red Lion" or "The Pig and Whistle" and they often have picutre on a signboard outside to ____ the name.

　　A) justify　　B) illustrate C) modify　　D) clarify

　　66.There are two main requirements before the fifthgeneration computer can become a reality and it is these that scientists are ____.

　　A) anticipating　　B) tackling C) manipulating　　D) speculating

　　67.College students in this city have set up "the Cleaner Air Society"

　　to help urban citizens become aware of the ____ to our environment.

　　A) conditions　　B) situations C) dangers　　D) threats

　　68.When you get a minor burn, pour some cold water on it, which will help

　　____ the pain of the burn.

　　A) relieve　　B) relax C) reveal　　D) release

　　69.The library published a colletion of books recently made ____ to the public.

　　A) acceptable　　B) accessible C) accommodable　　D) accountable

　　70.For 14 years after her spouse's death, she saw the ____ meaning of her life as nourishing her son and safeguarding her husband's works.

　　A) due　　B) lone C) sole　　D) keen