2012届高考英语二轮专题总复习 写作阅读强化（九）.doc

《2012届高考英语二轮专题总复习 写作阅读强化（九）.doc》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、2012届高考英语二轮专题总复习写作阅读强化（九）阅读理解ASALTLAKECITY，March1,2010－Likesilkwormmoths(吞蛾，butterfliesandspiders，caddisflylarvae(虫蛾幼虫spinsilk，buttheydosounderwaterinsteadofondryland.Now，UniversityofUtahresearchershavediscoveredwhythefly’ssilkissticky(黏性的whenwetandhowthatmaymakeitvaluableasanadhesivetape(黏胶带duringa

2、noperation.“Silkfromcaddisflylarvaemaybeusefulsomedayasamedicaladhesiveforstickingwettissues，”saysRussellStewart，anassociateprofessorofbioengineeringandprincipalauthorofanewstudyoftheflysilk’schemicalandstructuralproperties.“IpictureitassortofawetBandAid，maybeusedinsideinoperations－likeusingapieceof

3、tapetocloseacut，”headds.“Gluingthingstogetherunderwaterisnoteasy.HaveyouevertriedtoputaBandAidonintheshower？Thisinsecthasbeendoingthisfor150millionto200millionyears.”Therearethousandsofcaddisflyspeciesworldwide.Somespeciesspendtheirlarvalstagesdevelopingunderwater，andbuildaninchlong，tubeshapedcaseor

4、shelteraroundthemselvesusingstickysilkandgrainsofrockorsand.Otherspeciesusesilk，smallsticksandpiecesofleaves.Eachlarvahasaheadandfourlegsthatstickoutfromthetube.Thelarvalcasegetswiderasthelarvagrows.Acaddisflylarvaeventuallypupates(化蛹asitdevelopsintoanadultflyandthenhatches.Caddisfliesnowlivearoundt

5、heworldinwatersrangingfromfaststreamstoquietlowlyingwetland.Thecaddisflies’adaptationtodiversehabitatsislargelyduetotheinventiveusebytheirlarvaofunderwatersilktobuildcomplexstructuresforprotectionandfoodgathering.Caddisfliesfallintotwogroups.Somebuildtheircaseandthendragitalongwiththemunderwaterasth

6、eysearchforfood.Somebuildasheltergluedtoarock，withasilknettocatchpassingfood.本文是一篇新闻报道。石蛾的幼虫能够吐丝，这种丝的特别之处在于它能够在水下照样具有黏性。如果进行具体的研究，它们将被用于医疗方面。1．AccordingtoRussellStewart，caddisflylarvae________.A．canspinsilkunderwaterorondrylandB．areworthresearchingC．arequitedifferentfrombutterfliesandspidersD．havebe

7、enwidelyusedinthemedicalfield解析　推理判断题。根据第二段中的Silkfromcaddisflylarvaemaybeusefulsomedayasamedicaladhesiveforstickingwettissues可以推断，石蛾的幼虫值得研究。答案　B2．Theauthormentions“BandAid”inthepassagetoshow________.A