[7374]考研《英语一》吴忠市利通区2023年预测试卷含解析.pdf

考研《英语一》吴忠市利通区2023年预测试卷
SectionIUseofEnglish
Directions:
Readthefollowingtext.Choosethebestword(s)foreachnumberedblankandmarkA,B,CorDonthe
ANSWERSHEET.(10points)
完形填空（共15小题；每小题2分，满分30分）
阅读下面短文，掌握其大意，然后从下列各题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡
上将该项涂黑。
Thehumannoseisanunderestimatedtool.Humansareoftenthoughttobe1___smellerscomparedwithanimals,
butthisislargelybecause,unlikeanimals,westandupright.Thismeansthatournosesare2todetectingthosesmells
whichfloatthroughtheair,3themajorityofsmellswhichsticktosurfaces.Infactthough,weareextremelysensitive
tosmells,evenifwedonotgenerallyrealizeit.Ournosesarecapableof4humansmellsevenwhentheseare5tofar
belowonepartinonemillion.
6,somepeoplefindthattheycansmellonetypeofflowerbutnotanother,whileothersaresensitivetothe
smellsofbothflowers.Thismaybebecausesomepeopledonothavethegenesnecessarytogenerate7smell
receptorsinthenose.Thesereceptorsarethecellswhichsensesmellsandsend8tothebrain.However,ithasbeen
foundthatevenpeopleinsensitivetoacertainsmellatfirstcansuddenlybecomesensitivetoitwhen9toitoften
enough.
The10forinsensitivitytosmellseemstobethatbrainfindsit11tokeepallsmellreceptorsworkingallthe
timebutcan12newreceptorsifnecessary.Thismayalsoexplainwhywearenotusuallysensitivetoourownsmells
wesimplydonotneedtobe.Wearenot13oftheusualsmellofourownhousebutwe14newsmellswhenwevisit
someoneelse's.Thebrainfindsitbesttokeepsmellreceptors_15forunfamiliarandemergencysignalssuchasthe
smellofsmoke,whichmightindicatethedangeroffire.
1.A．sensitiveB．outstandingC．insensitiveD．awkward
2.A．limitedB．committedC．devotedD．conducted
3.A．catchingB．ignoringC．missingD．tracking
4.A．distinguishingB．discoveringC．determiningD．detecting
5.A．reducedB．reservedC．rescuedD．refused
6.A．FortunatelyB．StrangelyCHappilyD．Amazingly
7.A．unusualB．particularC．uniqueD．typical
8.A．signsB．informationC．messagesD．signals
9.A．subjectedB．leftC．drawnD．exposed
10A.expectationB．expressionC．extensionD．explanation
11.AconvenientB．competitiveC．inefficientD．adequate
12.AintroduceB．gatherC．developD．produ