scientists have discovered a special biological behavior in dolphins阅读答案

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1、Scientistshavediscoveredaspecialbiologicalbehaviorindolphins阅读答案　　Scientistshavediscoveredaspecialbiologicalbehaviorindolphins（海豚）thatcouldleadtoatreatmentforlate-onsetdiabetes（晚发的糖尿病）inhumans.Studiesondolphinsfoundthathealthydolphinsswitchintoadiabetic-likestateovernigh

2、twhentheyarenotfeeding,butreturntonormalwhentheyeatthefollowingmorning.　　Theextraordinaryfindinghasledscientiststosuggestthatdolphinshave“geneticswitch”thatallowsthemtoimitatediabeteswhiletheyarenotfeedingforanight,withoutsufferinganyilleffect.　　Ifresearcherscanidentifya

3、similargeneticpathwayinhuman,theymaybeabletodevelopdrugstoeffectivelyswitchoffdiabetes.SomemillionpeopleinBritainhavetype2(orlate-onset)diabetes,afigurethatisexpectedtoreach4millionby2025asaconsequenceofrisinglevelsofobesity（肥胖）.　　Thetissuesofpeoplewithtype2diabeteshaveb

4、ecomeresistanttoinsulin（胰岛素）sotheylosetheabilitytocontrolsugarlevelsintheirblood.Theconditioncandamagetheheart,eyes,kidneys（肾脏）andnervesandcontributeto5%ofalldeaths,accordingtotheWorldHealthyOrganisation.　　Dolphinsappeartoimitatediabetestokeephighlevelsofbloodsugarwhenfo

5、odisrare.Likehumans,dolphinsneedsomesugarintheirbloodfortheirbrainstofunctionnormally.Venn-Watson’steamanalysed1,000bloodsamples（样本）from52dolphinswhiletheydidn’teatanythingovernightandfedinthemorning.Atnighttime,thedolphins’metabolism（新陈代谢）changedgreatlyandshowedsimilarc

6、haracteristicstothatseeninpeoplewithtype2diabetes.　　“Itisourhopethatthisdiscoverycanleadtonewwaystoprevent,treatandmaybeevencurediabetesinhumans,”saidStephanieVenn-Watson,directorofclinicalresearchattheNationalMarineFoundationinSanDiego.　　72.What’sthemainideaofthepassage

7、?　　A.Humansgetsomeideaoftreatingdiabetesfromdolphins.　　B.Dolphinscanswitchintoadiabetic-likestateovernight.　　C.Humanscansufferthesamediseaseasdolphins.　　D.Dolphinsshouldbefedregularlytoavoiddiabetes.　　73.Thekeytoapplyingthefindingtocuringhumandiabetesliesin____________.　

8、　A.producinginsulininalargeramount　　B.developingdrugsfromhealthydolphins　　C.identifyingasimilargeneticp