题目内容：

    A group of graduates, successful in their careers, got together to visit their old university professor. Conversation soon turned into _______ about stress in work and life.

Before offering his guests coffee, the professor went to the kitchen and returned with a large pot of coffee and a variety of _______ --- porcelain (陶瓷), plastic, glass, crystal (水晶), some plain looking and _______, some delicate (精致的) and expensive---telling them to _______ themselves to the coffee.

When all the students had a cup of coffee in _______, the professor said: “If you _______, all the nice looking expensive cups were _______, leaving behind the plain and cheap ones. While it is _______ for you to want only the best for yourselves, that is the _______ of your problems and stress．It is ________ that the cup itself adds no quality to the coffee．In most cases it is just more ________ and in some cases even ________ what we drink. ________ all of you really wanted was coffee, not the cup, but you all went for the ________ cups. And then you began ________ each other’s cups.

Now consider this: Life is the coffee; the jobs, money and ________ in society are the cups．They are just tools to hold and ________ life, and the type of cup we have does not change the ________ of life we live．Sometimes, by ________ only on the cup, we fail to ________ the coffee. ”

1.A.challenges B.complaints C.exchange D.concern

2.A.tools B.materials C.cups D.gifts

3.A.cheap B.simple C.beautiful D.valuable

4.A.invite B.allow C.help D.adapt

5.A.excitement B.person C.belief D.hand

6.A.noticed B.admitted C.accepted D.relaxed

7.A.sold out B.taken up C.broken D.abandoned

8.A.normal B.unfair C.selfish D.painful

9.A.way B.value C.judgement D.source

10.A.amazing B.unusual C.definite D.influential

11.A.empty B.complex C.expensive D.inspiring

12.A.hides B.destroys C.changes D.dissolves

13.A.Why B.Although C.Unless D.What

14.A.ordinary B.best C.special D.strange

15.A.using B.washing C.eyeing D.introducing

16.A.position B.kindness C.character D.temper

17.A.improve B.contain C.mix D.limit

18.A.way B.pace C.direction D.quality

19.A.concentrating B.relying C.keeping D.holding

20.A.drink B.enjoy C.share D.boil