题目内容：

    On the last day of college before graduation, our professor walked up on stage to give us a final lesson, which she called "a life lesson on the ____ of mindsets （思维模式）As she _____ 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 heavy is this glass of water I'm holding?"

Students shouted out answers __ from eight ounces （盎司）to a couple pounds.

After a few moments of __ answers, she replied, “In my opinion, the absolute weight of this glass doesn't _____ . It all __ how long I hold it. If I hold it for a minute or two, it's ___ light. 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, ________ and

stressful 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.origin B.trend C.standard D.power

2.A.picked B.laid C.raised D.pulled

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

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

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

6.A.various B.visible C.quick D.short

7.A.concern B.matter C.care D.mean

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

9.A.fairly B.exactly C.theoretically D.merely

10.A.only B.again C.later D.straight

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

12.A.section B.problem C.case D.field

13.A.so B.or C.for D.but

14.A.remains B.feels C.proves D.looks

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

16.A.happiness B.disappointment C.curiousness D.engagement

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

18.A.pain B.terror C.sorrow D.doubt

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

20.A.destroy B.hide C.drop D.accept