试题与答案

完形填空(共20小题;每小题1.5分,满分30分)阅读下面短文,从短文后各题所给

题型:完形填空

题目:

完形填空(共20小题;每小题1.5分,满分30分)
阅读下面短文,从短文后各题所给的四个选项(A、B、C和D)中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。
I teach biology at UNLV three times per week . Last Monday , at the beginning of class , I cheerfully asked my   21  how their weekend had been . One young man said that his weekend had not been so   22  . He had his wisdom teeth removed . Then he went on to ask me why I always seemed to be so     23  .
His question   24  me of something I’d read somewhere before : “Every morning when you get up , you have a   25  about how you want to deal with life that day .” I said . “I choose to be cheerful .”
“Let me give you an example ,” I continued ,   26  all sixty students in the class . “In   27  to teaching here at UNLY , I also teach out at a   28  in Henderson , 17 miles down the highway from where I live . One day a few weeks ago I drove those 17 miles to Henderson . I   29  the highway and turned onto College Drive . I only had to drive another quarter mile down the road to the college . But just then my car   30  .I tried to start it again , but the   31  wouldn’t work .   32  I turned my flashers on , took my books , and   33  down the road to the college .”
“As soon as I got there , I called and   34  for a tow truck to meet me at my car after   35  . The secretary there asked me what had happened . ” This is my   36  day .” I replied , smiling .
She was   37  . “What do you mean ?”
“My car could have broken down anywhere along the highway . It didn’t .” I relied . “  38 , it broke down in the perfect place : off the highway ,   39  walking distance of here . I’m still able to teach my class , and I’ve been able to get the tow truck to meet me after class . If my car was meant to break down today , it couldn’t have been arranged in a more convenient   40  .”
I ended my story . In spite of the early hour , no one in my class seemed to be asleep . Somehow , my story had touched them .
小题1:
A.studentsB.schoolmatesC.childrenD.teachers
小题2:
A.badB.sadC.goodD.free
小题3:A. grateful      B cheerful          C. hopeful         D. thankful
小题4:
A.remindedB.informedC.toldD.warned
小题5:
A.decisionB.preferenceC.judgmentD.choic
小题6:
A.showingB.demandingC.commandingD.addressing
小题7:
A.contributionB.additionC.devotionD.application
小题8:
A.collegeB.schoolC.universityD.institute
小题9:
A.foundB.exitedC.crossedD.entered
小题10:
A.brokeB.endedC.died D.finished
小题11:
A.instrument B.engineC.wheelD.light
小题12:A. So          B. But      C. And      D Or
小题13:
A.droveB.marchedC.rodeD.followed
小题14:
A.preparedB.lookedC.arrangedD.waited
小题15:
A.workB.studyC.lunchD.class
小题16:
A.usualB.luckyC.unusual D.unlucky
小题17:
A.astonishedB.excitedC.pleasedD.puzzled
小题18:
A.AnywayB.Also C.InsteadD.Still
小题19:
A.beyondB.withoutC.withinD.along
小题20:
A.orderB.wayC.needD.situation

答案:

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BC 可通过比较半径得出键能的大小,半径越小,键长越短,键能越大,分子越稳定;结构相似的分子可比较相对分子质量得出分子间作用力的大小,相对分子质量越大,分子间作用力越大,熔沸点越高(注意某些分子可...

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