21.We all enjoy our freedom of choice and do not like to see it _____ when it is within the legal and moral boundaries of society.

　　A) compacted

　　B) dispersed

　　C) delayed

　　D) restricted

　　22.Allen will soon find out that real life is seldom as simple as it is _____ in commercials.

　　A) drafted

　　B) depicted

　　C) alleged

　　D) permeated

　　23.Diamonds have little _____ value and their price depends almost entirely on their scarcity.

　　A) subtle

　　B) eternal

　　C) inherent

　　D) intrinsic

　　24.Retirement is obviously a very complex _____ period and the earlier you start planning for it,the better.

　　A) transition

　　B) transaction

　　C) transmission

　　D) transformation

　　25.As one of the youngest professors inthe university,Mr.Brown is certainly on the _____ of a brilliant career.

　　A) porch

　　B) threshold

　　C) edge

　　D) course

　　26.They are _____ investors who always make thorough investigations both on local and international markets before making an investment.

　　A) indecisive

　　B) implicit

　　C) cautious

　　D) conscious

　　27.Most people in the modern world _____ freedom and independence more than anything else.

　　A) illuminate

　　B) fascinate

　　C) cherish

　　D) embody

　　28.Doctors are interested in using lasers as a surgical tool in operations on people who are _____ to heart attack.

　　A) prone

　　B) disposed

　　C) infections

　　D) accessible

　　29.These were stubborn men,not easily _____ to change their mind.

　　A) tilted

　　B) converted

　　C) persuaded

　　D) suppressed

　　30.The circus has always been very popular because it _____ both the old and the young.

　　A) facilitates

　　B) fascinates

　　C) immerses

　　D) indulges