专题09 选词填空15篇（解析版）.docx

专题09选词填空15篇

（23-24高一上·上海·期末）Directions:Fillineachblankwithaproperwordchosenfromthebox.Eachwordcanbeusedonlyonce.Notethatthereisonewordmorethanyouneed.

A．absent

B．flood

C．bound

D．indistinguishable

E.polishing

F.strikingly

G.consequently

H.command

I.engaged

J.differing

K.critically

Rhinoceroshorns(犀牛角)arebigbusiness.TraditionalChinesemedicineusesthemtotreatrheumatismandgout,eventhoughtheyhavenoactualpharmaceuticalpropertiesbeyondplacebo(安慰剂).Andcraftsmencarvethemintodaggerhandles.Akilogramcanthus1asmuchas$60,000,sothereistremendousincentiveforpoacherstohunttheanimals.Sincealmostallrhinocerospopulationsareendangered,several2,thisisaseriousproblem.

Someconservationiststhereforesuggestthatawaytoreducepressureontheanimalsmightbeto3themarketwithfakes.This,theyhope,wouldreducethevalueofrealhornsand4,themotivationtohuntrhinos.

Thatwouldrequirethefakestobegood.ButFritzVollrath,azoologistatOxfordUniversity,thinkshisskillsasaforger(伪造者)areuptothechallenge.AshewritesinScientificReports,heandhiscolleaguesfromFudanUniversity,inShanghai,havecomeupwithacheapandeasy-to-makefake5similartotherealthing.

ThemainingredientofDr.Vollrath’sforgedhornsishorsehair.Despitetheir6appearances,horsesandrhinosarereasonablycloselyrelated.Horsesdonothavehorns,ofcourse.But,technically,neitherdorhinos.The“horns”ofrhinocerosarecomposedofhairs7tightlytogetherusingamixtureofdeadcells.

Examinationunderamicroscopeshowedthathairscollectedfromhorses’tailshadsimilarfeaturestothosefoundinthehornsofrhinosexceptthathorsehairshadaspeciallayer8inthoseoftherhino,buttheresearcherswereabletoremovethiswithasolutionoflithiumbromide.(溴化锂溶液)

Theybundledthetreatedho