Ayoungcollegestudentthoughtthathehadchosenthe__36___major(专业)atacommoncollegesohedrankeverydayanddidn’t__37__atall.Hebecamemoreandmoredisappointedinhislife.
ButhewasneverabsentfromProfessorYang’sbiologyclass.Helikedthecourse.__38__Yang’sclasswassointerestingthathe__39__listenedcarefullynevercaringaboutwhethertheotherstudentswerepayingattentionornotinclass.
Onceheputa__40__inthehomeworkhehandedin__41__:“Professoritissaidthattoday’scollege__42__arecheaperthanpotatoes.Doyouagree?”
ThatdayProfessorYang__43__himafterclass.Whenhecamehefoundtheprofessoratatablewith__44__onit.Theydrankhappilyovertheirmeal.
Whentheybecamehalfdrunktheprofessorproducedasmall__45__thatwassprouting(发芽的).“Doyouknowhowmuchthis__46__?”heaskedtheyoungman.“It’ssoftbutpoisonous(有毒的).__47__willtakeitevenifit’sfree.”Hethenthrewthepotatoaway.Theprofessorthen__48__himanotherpotato.Itwashalfthesizeofafootballandperfectlyround.“Thispotatoisorganic(有机的).Itisnotonlylargeandfresh__49__freeofpollution.Itisinhighdemandandquitepopular.”
Theyoungmanwasimpressedbywhathe’dheard.“Be__50__apotato”saidtheprofessor.
36.A.right B.trueC.wrongD.suitable
37.A.helpB.sleepC.studyD.play
38.A.HoweverB.Besides C.But D.Although
39.A.alwaysB.neverC.sometimesD.hardly
40.A.paper B.pointC.sentence D.note
41.A.sayB.saying C.said D.says
42.A.workersB.students C.teachersD.professors
43.A.shoutedforB.calledforC.criedfor D.waitedfor
44.A.mealsB.vegetables C.fruits D.food
45A.appleB.potato C.tomato D.banana
46.A.spendsB.pays C.costs D.takes
47.A.Nobody B.Somebody C.EverybodyD.Anybody
48.A.sliced B.showed C.found D.put
49.A.but B.alsoC.and D.too
50.A.soB.such C.quite D.very
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