1.For many patients, institutional care is the most ______ and beneficial form of care.

　　A) pertinent

　　B) appropriate

　　C) acute

　　D) persistent

　　2.Among all the changes resulting from the ______ entry of women into the work force, the transformation that has occurred in the women themselves is not the least important.

　　A) massive

　　B) quantitative

　　C) surplus

　　D) formidable

　　3.Mr. Smith became very ______ when it was suggested that he had made a mistake.

　　A) ingenious

　　B) empirical

　　C) objective

　　D) indignant

　　4.Rumours are everywhere, spreading fear, damaging reputations, and turning calm situations into ______ ones.

　　A) turbulent

　　B) tragic

　　C) vulnerable

　　D) suspicious

　　5.The ______ cycle of life and death is a subject of interest to scientists and philosophers alike.

　　A) incompatible

　　B) exceeding

　　C) instantaneous

　　D) eternal

　　6.She remains confident and ______ untroubled by our present problems.

　　A) indefinitely

　　B) infinitely

　　C) optimistically

　　D) seemingly

　　7.Fiber-optic cables can carry hundreds of telephone conversations ______.

　　A) simultaneously

　　B) spontaneously

　　C) homogeneously

　　D) contemporarily

　　8.The police were alerted that the escaped criminal might be in the ______.

　　A) vain

　　B) vicinity

　　C) court

　　D) jail

　　9.Whether you live to eat or eat to live, food is a major ______ in every family's budget.

　　A) nutrition

　　B) expenditure

　　C) routine

　　D) provision

　　10.Now a paper in Science argues that organic chemicals in the rock come mostly from ______ on earth rather than bacteria on Mars.

　　A) configuration

　　B) constitution

　　C) condemnation

　　D) contamination