2016年高一英语专题阅读理解专项练习：WeekFifteen自然环境

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1、WeekFifteen自然环境—、阅读理解（共20小题；共40.0分）ADespiterecentstormsduringtheautumnandfirstpartofthewinter,droughtconditionsarcforecasttocontinueoveralargepartofthePlains・RainfallhasbeenenoughovertheOhioandlowerMississippibasins.However,unlessthereisabigturnlaterthiswinterandspring,moreimportantpro

2、blemscouldbeaheadfortheMississippiRiverabovetheOhioRiverconnection.WhileastormisforecasttoswingnortheastwardovertheCentralstates,muchoftherainmayfallsouthandeastofSt.Louis.MississippiRiverlevelsareexpectedtodipagainnextweekatSt.Louis・Engineershasbeentakingstepstokeeptheshippingchannelo

3、penbydiggingtheriverbottom,removingrocksandplacingbarriersunderthewatertoreduceshiftingsoil.TherestisuptoMotherNature.Bargecompanieshavebeenlimitingtheirloadsduetothelowwaterlevels.SnowfelloverpartofthewinterwheatbeltwiththestormjustafterChristmas2012・However,muchmoremoistureisneededth

4、roughthewinterandintothespring・AccordingtoDaleMohler,uOneofthebigproblemstheCentralstateshadlastspringwasalackofthunderstormsn.ThesegroupsofthunderstormsarethemajorsourceforspringrainfallandrunoffoverthePlainsandMidwest,followingmeltingsnowearly."Thereareconcernsfordroughtcontinuingove

5、rthecentralHighPlainsandthenorthernPlainsingeneralgoingintothespring/Pastelokstatedthatthepatterndoesnotlooktobeasdryofastartthisspring,whencomparedtolastyearfromIowatotheOhioValleyandsomemoistureislikelytomakeappearancesoverthesouthernPlains.ThereisalsosomegoodnewsfortheSoutheast.HSig

6、nsarethatthedrought—abnormallydryareasoverGeorgiaandtheCarolinaswillshrinkmovingthroughthewinterandshouldbemostlygonebythespring/Pasteloksaid.1・Whichplaceisstillfacingtheseriousdrought?A.ThecentralHighPlains.B.LowerMississippibasins・C.OvertheOhioRiver.D.AreasoverGeorgia.2.Bysaying"ther

7、estisuptomothernature0,thewritermeans•A.therestistodealwithnatureB.therestisatthemercyofnatureC.therestwillbeincontrolofnatureD.therestarebusyconqueringnature3.Whatroledothethunderstormsplayinthecentralstates?A.Theywillfloodthesestatesinsummer.B.Theywillcausesnowtomeltearlyinspring・C