Ateacherstoodinfrontofhishistoryclassoftwentystudentsjustbeforehandingout(分发)thefinalexam.Hisstudentssatquietlyandwaitedforhimtospeak.“It’sbeenapleasureteachingyouthisterm”hesaid.“You’veallworked

　　Ateacherstoodinfrontofhishistoryclassoftwentystudentsjustbeforehandingout(分发)thefinalexam.Hisstudentssatquietlyandwaitedforhimtospeak.

　　“It’sbeenapleasureteachingyouthisterm”hesaid.“You’veallworkedveryhardsoIhaveapleasantsurpriseforyou.Everyonewhochoosesnottotakethefinalexamwillgeta‘B’forthecourse.”

　　Mostofthestudentsjumpedoutoftheirseats.Theythankedtheteacherhappilyandwalkedoutoftheclassroom.Onlyafewstudentsstayed.Theteacherlookedatthem.“Thisisyourlastchance”hesaid.“Doesanyoneelsewanttoleave?”Allthestudentstherestayedintheirseatsandtookouttheirpencils.

　　Theteachersmiled.“Congratulations(祝贺)”hesaid.“I’mgladtoseeyoubelieveinyourselves.Youallget‘A’s.”

　　1.Thisstorymostprobablytookplace________.

　　A.atthebeginningoftheterm            B.inthemiddleoftheterm

　　C.attheendoftheterm                D.atthebeginningoftheschoolyear

　　2.MostofthestudentsgotGrade________.

　　A.‘A’            B.‘B’           C.‘C’         D.‘F’

　　3.Whydidsomestudentsstayintheirseats?

　　A.Becausetheywantedtotaketheexam.

　　B.Becausetheteachertoldthemtostayintheirclass.

　　C.Becausetheywereafraidtoleave.

　　D.Becausetheydidn’thaveanythingtodo.

　　4.Theteachergavethestudentswhostayedintheclassroom‘A’sbecause________.

　　A.theteacherlikedthem

　　B.theywereclevererthantheotherstudents

　　C.theybelievedinthemselves

　　D.theystudiedhard

　　5.Theunderlinedword“them”inParagraph3refersto“________”.

　　A.studentsstayingintheirseats      B.studentsleavingtheclassroom

　　C.theirseats                    D.allthestudents