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2019-2020年高三上学期第二次段考英语试题含答案Ⅰ语言知识及应用(共两节,满分45分)第1节完形填空(共15小题,每小题2分,满分30分)阅读下面短文,掌握其大意,然后从1-15各题所给的A、B、C和D项中,选出最佳选项,并在答题卡上将该项涂黑Toknowjustwhattheeffectsofglobalwarmingwillbeinthefutureisextremelydifficultifnotimpossible.Scientistsuseputermodelstostudythe__1__ofglobalwarming.Theseputermodelshavebeenfairlyconsistentin__2__generalfuturetrendsbutoften__3__greatlywhenlookingatthespecifics.Somescientistssayglobalwarminghasalreadybeengoingonforawhile.Otherssaythatwedonothaveenoughinformationnowtoknowforsure.Despitethe__4__mostscientistsareconvincedthatgreenhousegasesare__5__theEarth.Whattheyarestilltryingtofigureoutishow__6__temperaturesarerisingandwhatwillhappenasaresult.Theclimatechangesthatwillresultfromglobalwarmingareextremely__7__topredict.Theweatherisdeterminedbysomanyfactorsthatitisoftenparedtochaospletedisorderbyscientists....。