河南省安阳市第三十六中学2017-2018学年高一英语下学期期末考试试题.doc

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1、安阳市第三十六中学2017—2018学年高一年级第二学期期末考试英语试卷（满分150分，时间120分钟）第I卷第一部分听力（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。AVinegar（醋）isgreat.Itmakessalad,friesanddumplingstastebetter,andyoucanevencleanyourwindowswithit.Andnow,accordingtoscientist

2、s，itmayevenhelptheplanet’spopulationsurviveclimatechange.ResearchersfromtheRIKENCenterforSustainableResourceScience(CSRS)inJapanprovedthat.Theyfoundgrowingplantsinvinegarmakesthemmoreresistanttodroughts.Thiscouldmeanthatinthefuture，worriesaboutclimatechangeaffectingtheworld’s

3、supplyoffoodwillbemuchlower.ThediscoverywasmadeaftertheresearchersstudiedtheArabidopsis,aplantknownforitsabilitytosurviveindryweather.Itwasfoundthatwhentheplantwasplacedindrought-likeconditions,itproducedachemicalcalledacetate（醋酸盐）---themainponentofvinegar.Afterdiscoveringthi

4、s,thescientistsexperimentedfurtherbyaddingacetatetothesoilofotherplantsbeforetheystoppedgivingthemwaterpletely.Afterleavingtheplantsfor14days,theyfoundthattheonestreatedwithacetatehadsurvived,whiletheuntreatedplantshaddriedupanddied.It’shopedthatthissimplemethodofsurvivalcoul

5、dsoonbeusedtohelpfarmersindrycountrieskeeptheircropsalive.“Intheexperiment,wetargetedthebasicfoodsoftheworld—rice,wheatandmaize...andprovedsuccessful”JongMyongKim,co-authorofthestudy,toldPopularSciencemagazine.Kimhasalreadybeenintouchwithpeoplearoundtheworldwhoareinterestedin

6、tryingthissimpleandcost-effectivemethodoutforthemselvesfromfarmerstopaniesandamateurgardeners.“Nowwearetryingtocooperatewiththemtomakeamethodtoapplythissystem,andmaketheprocessassimpleaspossible,”hesaid.Hopefullythismeanstheendofhungercausedbybadweatherinthefuture.21.Whatdoes

7、theunderlinedword“that”inparagraph1referto?A.Vinegarmayhelpcreaturessurvivebadweather.B.VinegarisfoundinplantsbyJapanesescientists.C.Vinegarisveryusefulforcooking.D.Vinegarismainlyusedbypeopletocleanhouses.22.ScientistsinJapanfindfromtheirstudiesthat________.A.theacetatecanbe

8、usedbyfarmerstoreplacethesoil.B.theplantstreatedwithacetatecouldsurv