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时间:2020-08-30
《河南省商丘市九校2018届高三上学期英语期中联考(英语).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、河南省商丘市九校2018届高三上学期期中联考英语(考试时间:120分钟总分:150分)本试卷分第Ⅰ卷(选择题)和第Ⅱ卷(非选择题)两部分I卷第二部分阅读理解(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。ADryiceisCO2insolidform,withatemperatureofabout-78.5℃.Unlikecommonice,dryicedoesn'tmeltintoaliquid.Whendryicemel
2、ts,itturnsintoagas.Sowhenyouseedryice"smoking",it'sfrozenCO2meltingintoitsgaseousstate.Dryiceisapopularmatterinscientificexperiments.Itcreatesprojectsthatlookcool.Experiment:Healthydryicepopsicles(棒冰)Thisdryiceexperimentwillcatchpeople'seye,especiallylittlekids'becauset
3、hedryiceisgoingtobeusedtomakewhattheyounglovetoeat.Itshouldtakeyouabout10minutesorlesstohaveafrozentreattoenjoy.MaterialsOnelargeblockofdryiceAlargespoonPopsiclesticksOnecupofyourfavoritejuiceAtallglassfilledwithwaterDirectionsUsethelargespoontomakeapopsicle-shapedspace
4、inablockofdryice.Youcansettheiceonapieceofclothonyourtabletodothiswork.Ofcourse,keepinmindthatit'sokayifit'snotexactlypopsicle-shaped.12Addapopsiclesticktothemiddleofthespacesothatwhenyoupourintheliquid,itwillfreezearoundthepopsiclestick.Holdthepopsiclestickinplaceandwa
5、itafewminutesforyourpopsicletoharden.Afterseveralminutes,takeawaythepopsiclefromtheblockofdryiceandputitintoatallglassofwaterforafewseconds.Dothistowarmupthepopsiclejustabit.Otherwise,itwillbetoocold.21.Accordingtothetext,what'sthemaindifferencebetweendryiceandcommonice
6、?A.Theirforms.B.Theirshapes.C.Theirtemperatures.D.Theirstateswhentheymelt.22.What'sthefirststeptodotheexperiment?A.Tofillthetallglasswithjuice.B.Topourthejuiceintothespace.C.Tomakespaceinthedryiceforjuice.D.Toputasticktothemiddleofthedryice.23.Howdoesthedryiceworkinthee
7、xperiment?A.Itgivesout"smoke".B.Itismixedinthejuice.C.Itmakesthejuicefreeze.D.Itmakesthepopsiclelookcool.BSomeofAustraliancyclistshaveused"GPSart"toturna202km(125-mile)rideintotheoutlineofagoat,whichinterestsmanypeoplegreatly.Thefourmenmarkedtheirrouteonanappbeforeusing
8、ittracktheirjourneyaroundPerth.Whenuploadedtothecomputer,itwasshownasapicture.CyclistBenJonessaidthegroupsettl
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