高考英语一轮复习单元达标能力测试二十二Unit 22 Environmental Protect文档格式.docx

高考英语一轮复习单元达标能力测试二十二Unit 22 Environmental Protect文档格式.docx

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用2B铅笔将答题卡上试卷类型A后的方框涂黑。

2.选择题的作答：

每小题选出答案后，用2B铅笔把答题卡上对应题目的答案标号涂黑，写在试题卷、草稿纸和答题卡上的非答题区域均无效。

3.非选择题的作答：

用签字笔直接答在答题卡上对应的答题区域内。

写在试题卷、草稿纸和答题卡上的非答题区域均无效。

4.考试结束后，请将本试题卷和答题卡一并上交。

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