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As a general rule£¬all forms of activity lead to boredom when they are performed on a routine(³£¹æ)basis. As a matter of fact£¬we can see this__1__at work in people of all__2__.For example£¬on Christmas morning£¬children are excited about__3__with their new toys. But their__4__ soon wears off and by January those __5__ toys can be found put away in the basement. The world is full of __6__ stamp albums and unfinished models£¬each standing as a monument to someone’s __7__ interest. When parents bring home a pet£¬their child __8__ bathes it and brushes its fur. Within a short time£¬however£¬the __9__ of caring for the animal is handed over to the parents. Adolescents enter high school with great __10__ but are soon looking forward to __11__.The same is true of the young adults going to college. And then£¬how many __12__£¬who now complain(±§Ô¹)about the long drives to work£¬__13__ drove for hours at a time when they first__14__  their driver’s licenses(Ö´ÕÕ)£¿Before people retire£¬they usually  __15__ to do a lot of __16__ things£¬which they never had __17__ to do while working. But __18__ after retirement£¬the golfing£¬the fishing£¬the reading and all of the other pastimes become as boring as the jobs they __19__.And£¬like the child in January£¬they go searching for new __20__.

1£®A. principle     B£®habit       C£®way        D£®power

2£®A .parties          B£®races        C£®countries    D£®ages

3£®A. working          B£®living       C£®playing     D£®going

4£®A. confidence        B£®interest    C£®anxiety     D£®sorrow

5£®A. same            B£®extra     C£®funny   D£®expensive

6£®A. well£­organized B£®colorfully£­printed 

C£®newly£­collected   D£®half£­filled

7£®A .broad          B£®passing         C£®different   D£®main

8£®A. silently        B£®impatiently    C£®gladly     D£®worriedly

9£®A. promise        B£®burden         C£®right   D£®game

10£®A. courage      B£®calmness     C£®confusion  D£®excitement

11£®A. graduation  B£®independence   C£®responsibility  D£®success

12£®A. children       B£®students       C£®adults      D£®retirees

13£®A .carefully   B£®eagerly  C£®nervously    D£®bravely

14£®A. required        B£®obtained C£®noticed  D£®discovered

15£®A .need        B£®learn        C£®start        D£®plan

16£®A .great       B£®strange      C£®difficult     D£®correct

17£®A. time      B£®money      C£®skills       D£®knowledge

18£®A. only        B£®well         C£®even       D£®soon

19£®A .lost       B£®chose         C£®left       D£®quit

20£®A pets         B£®toys         C£®friends  D£®colleagues