河南省商丘市九校2018届高三英语上学期期中联考试题

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1、河南省商丘市九校2018届高三英语上学期期中联考试题（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℃.Unlikemonice,dryicedoesn'tmeltintoaliquid.Whendryicemelts,itturnsintoa

2、gas.Sowhenyouseedryice"smoking",it'sfrozenCO2meltingintoitsgaseousstate.Dryiceisapopularmatterinscientificexperiments.Itcreatesprojectsthatlookcool.Experiment:Healthydryicepopsicles（棒冰）Thisdryiceexperimentwillcatchpeople'seye,especiallylittlekids'becausethedryiceisgoingtobeusedtomake

3、whattheyounglovetoeat.Itshouldtakeyouabout10minutesorlesstohaveafrozentreattoenjoy.MaterialsOnelargeblockofdryiceAlargespoonPopsiclesticksOnecupofyourfavoritejuiceAtallglassfilledwithwaterDirectionsUsethelargespoontomakeapopsicle-shapedspaceinablockofdryice.Youcansettheiceonapieceofc

4、lothonyourtabletodothiswork.Ofcourse,keepinmindthatit'sokayifit'snotexactlypopsicle-shaped.Addapopsiclesticktothemiddleofthespacesothatwhenyoupourintheliquid,itwillfreezearoundthepopsiclestick.Holdthepopsiclestickinplaceandwaitafewminutesforyourpopsicletoharden.Afterseveralminutes,ta

5、keawaythepopsiclefromtheblockofdryiceandputitintoatallglassofwaterforafewseconds.Dothistowarmupthepopsiclejustabit.Otherwise,itwillbetoocold.21.Accordingtothetext,what'sthemaindifferencebetweendryiceandmonice?A.Theirforms.B.Theirshapes.C.Theirtemperatures.D.Theirstateswhentheymelt.22

6、.What'sthefirststeptodotheexperiment?A.Tofillthetallglasswithjuice.B.Topourthejuiceintothespace.C.Tomakespaceinthedryiceforjuice.D.Toputasticktothemiddleofthedryice.23.Howdoesthedryiceworkintheexperiment?A.Itgivesout"smoke".B.Itismixedinthejuice.C.Itmakesthejuicefreeze.D.Itmakesthepo

7、psiclelookcool.BSomeofAustraliancyclistshaveused"GPSart"toturna202km(125-mile)rideintotheoutlineofagoat,whichinterestsmanypeoplegreatly.ThefourmenmarkedtheirrouteonanappbeforeusingittracktheirjourneyaroundPerth.Whenuploadedtotheputer,itwasshownasapicture.CyclistBenJonessaidthegroupse

8、ttledonagoat