高考英语一轮复习单元达标能力测试二十二Unit 22 Environmental Protect.docx
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高考英语一轮复习单元达标能力测试二十二Unit 22 Environmental Protect.docx
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高考英语一轮复习单元达标能力测试二十二Unit22EnvironmentalProtect
高考英语一轮复习单元达标能力测试(二十二)
Unit22EnvironmentalProtect
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第Ⅰ卷
第一部分听力(共两节,满分30分)(略)
第二部分阅读理解(共两节,满分40分)
第一节(共15小题:
每小题2分,满分30分)
阅读下列短文,从每题所给的四个选项(A、B、C和D)中选出最佳选项,并在答题卡上将该项涂黑。
A
InastudypublishedintheU.S.journalScience,researchersfromtheChineseAcademyofAgriculturalSciences(CAAS)andtheUniversityofFloridaidentifiedthechemicalcombinationsandgeneticrecipeforbettertomatoflavor(味道).
“Inrecentyears,consumersoftencomplainthatthemoderntomatoislessflavorfulthanitoncewas,”saidco-principalresearcherSanwenHuang.“Ourresultsprovideapracticalroadmapforbreedingtomatovarietieswithbetterflavor.”
Forthestudy,a170-personconsumergroupwascreatedtoevaluate160tomatoesrepresenting101varieties,basedonqualitiessuchas“overallliking”and“flavordegree”.Theresultspointedtodozensofchemicalcompoundsofinterest,andfurtherresearchusingastatisticalmodeldiscovered33flavorcompoundsconnectedwithconsumerliking,suchasglucose(葡萄糖).Thereasonwhymoderntomatoesdon’ttastegoodanymoreisthatatotalof13oftheseflavor-associatedcompounds“weresignificantlyreducedinmodernvarieties”,theirpaperwrote.Moreover,theresearchersfoundthatsmallerfruittendedtohavegreatersugarcontent,suggestingthat“selectionformoresizabletomatoeshascostsweetnessandflavor”.
Basedonthisknowledge,HuangandProfessorHarryKleeoftheUniversityofFloridastudiedthewholegenomesof398varietiesoftomato,identifyingabout250positionsofgenesonachromosome(染色体),whichcontrolledtomatoflavor.
“We’rejustfixingwhathasbeendamagedoverthelasthalfcenturytopushthembacktowheretheywereacenturyago,”saidKleeinastatement.“Wecanmakethesupermarkettomatotastenoticeablybetter.”Kleesaidnewtomatovarietieswithbetterflavorcouldbereadyinthreetofouryears.Inaddition,“thegenesandpathwaysidentifiedhereinthetomatoalmostcertainlypointtopathwaysworthresearchingforimprovementofflavorqualityinotherfruitcrops,”theywrote.
1.Accordingtothetext,thestudy.
A.wascarriedoutjustthroughasurvey
B.wasconductedbyChineseresearchersthemselves
C.wascompletelyfocusedonthegenesofdifferenttomatoes
D.wasdonewiththebackgroundofdecliningflavoroftomatoes
2.Theresearchershavefoundthatinthestudy.
A.biggertomatoesaremuchsweeter
B.somegeneticpositionsaffectthetasteoftomatoes
C.somechemicalcompoundsmaketomatoeslesstasty
D.atotalof13flavor-associatedcompoundsmaketomatoesappealingintaste
3.Whatistheinfluenceofthestudyaccordingtothetext?
A.Thestudylaysthefoundationforfurtherresearchestoimproveotherfruitcrops’flavor.
B.Thestudymakesitpossibleforustohavenoticeablymoretastytomatoesnextyear.
C.Thestudyprovidesaroadforwheretoplanttomatoeswithbetterflavor.
D.Thestudyhasfixedallthegenesofexistingtomatoes.
【语篇解读】文章介绍了美国《科学》杂志发表的关于西红柿味道的研究,这项研究是由中国农业科学院和美国佛罗里达大学完成的。
1.解析:
选D 细节理解题。
根据第二段的内容可知,此研究的背景是现代西红柿味道下降。
2.解析:
选B细节理解题。
根据倒数第二段中的“...identifyingabout250positionsofgenesonachromosome(染色体),whichcontrolledtomatoflavor.”可知,一些染色体上基因的位置控制西红柿的味道。
3.解析:
选A推理判断题。
根据最后一段最后一句中的“...thegenesandpathwaysidentifiedhereinthetomatoalmostcertainlypointtopathwaysworthresearchingforimprovementofflavorqualityinotherfruitcrops...”可知,此研究为进一步研究改进其他水果作物的口味奠定了基础。
B
Itwasawinterday;thefallingsnowblockedoutthesun.Thewindchallengedthecarandjoinedotherforcesofwinter—slipperyroadsandpoorvisibilitytoalmosttakeourlittlecaroffcourse.
“Doyoufeelsafe?
ShouldIturnback?
”
“No,”mywifeJenniferreplied“IreallywanttoseethisshowinToronto.Ihavefaithinyourdriving.”
Wewerecomingdownthehillonthehighway.Suddenlytherewasanoticeableincreaseintheforceofsnow.Ifeltthecarstagger(摇晃)slightlytotheleftandthentotheright.Wewereinthefarleftlane;thebuswasinthemiddle.OurlittleNeonslidintothesideofthebusataboutmidpoint.SuddenlyJenniferwascheektocheekwiththesideofthebus.Shescreamedinhorror.Bouncing(反弹)offthebus,ourcarthenhitontothebarrierinthemiddleofthehighway.Thenfromthebarrierwereboundedbacktothesideofthebus.Jenniferscreamedandthenwewerebacktothebarrieragain.
Finally,thebusmovedfarenoughaheadandwejustcaughttherearbumper(保险杠),whichcausedthecartospin180degreessowewerenowfacingoncomingtraffic.TherewasnothingIcoulddobutwaittobeknockeddown.Jenniferwhispered,“Iguessthisishowitfee
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- 高考英语一轮复习单元达标能力测试二十二Unit 22 Environmental Protect 高考 英语 一轮 复习 单元 达标 能力 测试 十二 Unit
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