您现在的位置:文学网 > 西方文学

剑桥雅思真题14Test3阅读Passage2原文+解析及答案

发布时间:2019-08-21 08:47编辑:本站原创阅读(120)

    剑桥雅思真题14Test3阅读Passage2原文+解析及答案

    摘要:经常有烤鸭会问,雅思剑桥真题有答案解析吗,怎么样才能领取剑桥雅思全套真题?今天三立在线为大家整理了剑桥雅思真题14Test3阅读Passage2原文,希望能帮助大家顺利的备考雅思,想领取全套剑桥雅思真题的同学,请关注三立剑桥雅思频道。 剑桥雅思真题14Test3阅读Passage2原文Youshouldspendabout20minutesonQuestions14^26,whicharebasedonReadingP  经常有烤鸭会问,雅思剑桥真题有答案解析吗,怎么样才能领取剑桥雅思全套真题?今天三立在线为大家整理了剑桥雅思真题14Test3阅读Passage2原文,希望能帮助大家顺利的备考雅思,想领取全套剑桥雅思真题的同学,请关注三立剑桥雅思频道。      Youshouldspendabout20minutesonQuestions14^26,whicharebasedonReading  Passage2below.  Savingbugstofindnewdrugs  ZoologistRossPiperlooksatthepotentialofinsectsinpharmaceuticalresearch  AMoredrugsthanyoumightthinkarederivedfrom,orinspiredby,-themselveswithtoxin-oozingmillipedestodetermosquitoes,orthechimpanzeeswhousenoxiousforestplantstoridthemselvesofintestinalparasites-torealisethatourancientancestorstooprobablyhadabasicgraspofmedicine.  BPharmaceuticalscienceandchemistrybuiltontheseancientfoundationsandperfectedtheextraction,characterisation,,forawhile,modernpharmaceuticalsciencemoveditsfocusawayfromnatureandintothelaboratory,hemicalcompoundsinnature,,isolatingandcharacterisingthecompoundsofinterest,andproducinglargequantitiesofthesecompoundsareallsignificanthurdles.  CLaboratory-baseddrugdiscoveryhasachievedvaryinglevelsofsuccess,  somethingwhichhasnowprompted,itisnowevidentthatwehavebarelyscratchedthesurfaceofnature,togetherwithseveralloominghealthcrises,suchasantibioticresistance,hasputbioprospecting-thesearchforusefulcompoundsinnature-firmlybackonthemap.  DInsectsaretheundisputedmastersoftheterrestrialdomain,,theyhaveabewilderingarrayofinteractionswithotherorganisms,somethingwhichhasdriventheevolutionofanenormousce,theirpotentialassourcesoftherapeuticcompoundsisyettoberealised.  EFromthetinyproportionofinsectsthathavebeeninvestigated,,alloferon,anantimicrobialcompoundproducedbyblowflylarvae,,acompoundfromthevenomofthewaspPolybiapaulistahaspotentialincancertreatment.  FWhyisitthatinsectshavereceivedrelativelylittleattentioninbioprospectingFirstly,therearesomanyinsectsthat,withoutsomemanneroftargetedapproach,,insectsaregenerallyverysmall,andthegland,althoughweconsiderinsectstobeeverywhere,tharincaptivity,which,again,canleaveuswithinsufficientmaterialtoworkwith.  MycolleaguesandIatAberystwythUniversityintheUKhavedevelopedanappretepow,suchasfaecesandcarcasses,nicbacteriaandfungi,suggestingthatthereiscertainlypotentialtofindmanycompoundsthatcanserveasorinspirenewantibiotics.  HAlthoughnaturalhistoryknowledgepointsusintherightdirection,itdoesntso,itisnowpossibletosnipoutthestretchesoftheinsectsDNAthatcarrythecodesfortheinterestingcompoundssirablequalitiestodevelopingacommercialproductisverylongandfullofpitfalls,thevarietyofsuccessfulanimal-derivedpharmaceuticalsonthemarketdemonstratesthereisaprecedentherethatisworthexploring.  IWitheverybitofwildernessthatdisappears,dlovetohelpdevelopagroundbreakinginsect-derivedmedicine,,howeversmallandseeminglyinsignificant,smedicinecabinet,exploringtheusefulchemistryofthemostdiverseanimalsontheplanet,Ibelievewecanmakepeoplethinkdifferentlyaboutthevalueofnature.  Questions14-20  ReadingPassage2hasnineparagraphs,A-l.  Whichparagraphcontainsthefollowinginformation  Writethecorrectletter,AI,inboxes14-20onyouranswersheet  14mentionoffactorsdrivingarenewedinterestinnaturalmedicinalcompounds  15howrecenttechnologicaladvanceshavemadeinsectresearcheasier  16examplesofanimalswhichusemedicinalsubstancesfromnature  17reasonswhyitischallengingtouseinsectsindrugresearch  18referencetohowinterestindrugresearchmaybenefitwildlife  19areasonwhynature-basedmedicinesfelloutoffavourforaperiod  20anexampleofaninsect-derivedmedicineinuseatthemoment  Questions21and22ChooseTWOletters,A-E.  Writethecorrectlettersinboxes21and22onyouranswersheet.  WhichTWOofthefollowingmakeinsectsinterestingfordrugresearch  AthehugenumberofindividualinsectsintheworldBthevarietyofsubstancesinsectshavedevelopedtoprotectthemselvesCthepotentialtoextractandmakeuseofinsectsgeneticcodesDthesimilaritiesbetweendifferentspeciesofinsectEthemanageablesizeofmostinsects  Questions14-20  Questions23-26Completethesummarybelow.  ChooseONEWORDONLYfromthepassageforeachanswer.  Writeyouranswersinboxes23-26onyouranswersheet  ResearchatAberystwythUniversity  RossPiperandfellowzoologistsatAberystwythUniversityareusingtheirexpertise  in23.............................  especiallyinterestedinthecompoundsthatinsectsproducetooverpowerand  preservetheir24..............................Theyarealsointerestedincompoundswhich  insectsusetoprotectthemselvesfrompathogenicbacteriaandfungifoundintheir  25...............................Piperhopesthatthesesubstanceswillbeusefulinthe  developmentofdrugssuchas26...............................  试题解析:  Questions14~20  题目类型:MATCHING.。

    上一篇:sjm厉旭与宋茜接吻,安东尼.马库斯,类似花都少帅,魔古尔剑

    下一篇:没有了