题目内容：

    On the last day of college before graduation, our professor walked up on stage to give us a ____ lesson, which she called “a life lesson on the ____ of mindsets（思维模式）”. As she raised a glass of water over her head, everyone ____ her to mention the typical “glass half empty or glass half full” question. _________, with a smile on. her face, the professor asked, “How ______ is this glass of water Pm holding?” Students shouted out answers ______ from eight ounces（盎司）to a couple pounds.

After a few moments of reasonable answers, she replied, “In my opinion, the ________weight of this glass doesn’t matter. It all _______ how long I hold it. If I hold it for a minute or two, it’s fairly ________. If I hold it for an hour ______, my arm might feel painful. If I hold it for the whole day, my arm will feel completely numb, _____ me to drop the glass to the floor. In each ____, the weight of the glass doesn’t change, _____ the longer I hold it, the heavier it _______ to me.”

As the class nodded their heads in ______, she continued, “Your worries,disappointments, and _____ thoughts are like this glass of water. Think about them for a while and ____ happens. Think about them a bit longer and you begin to feel _______Think about them all day long, and you will feel completely numb, _____ to do anything else until you ______ them.”

1.A.final B.traditional C.private D.basic

2.A.trend B.origin C.power . D.standard

3.A.advised B.urged C.begged D.expected

4.A.Anyway B.Instead C.Therefore D.Otherwise

5.A.high B.full C.heavy D.clear

6.A.judging B.ranging C.coming D.transforming

7.A.absolute B.rough C.limited D.obvious

8.A.mixes with B.refers to C.results in D.depends on

9.A.normal B.light C.extra D.average

10.A.straight B.only C.again D.later

11.A.reminding B.permitting C.forcing D.encouraging

12.A.field B.section C.problem D.case

13.A.but B.so C.or D.for

14.A.looks B.remains C.feels D.proves

15.A.shock B.agreement C.relief D.fear

16.A.strange B.casual C.crazy D.stressful

17.A.nothing B.something C.everything D.anything

18.A.doubt B.pain C.terror D.sorrow

19.A.unlucky B.unwilling C.unable D.unwise

20.A.accept B.destroy C.hide D.drop