专题03语法填空之说明文序号内容PartIPassage-1Passage-6-5年真题过关PartIIPassage-7Passage37--模拟能力提升（北京各区模拟试题）PartI-5年真题过关Passage1（2022年北京）Whydohumansprefersomesmellsoverothers?Onetheory,increasingly____14____(support)byexperts,suggeststhatsmellpreferencesarelearned.It’seasytoexplainhowwedetermine____15____smellsaredangerousornot:welearn.Thishasbeenadoptedtoensureeasierdetectionofgasleaks.Gasnaturally____16____(have)norecognisablesmell.However,astrongsmellisaddedsothatwecanraisethealarmwhenwedetectthesmellassociatedwithdanger.Passage2（2021年北京）There____17____(be)adramaticriseinthenumberofextremeweathereventsoverthepast20years,____18____(cause)largelybyrisingglobaltemperatures,accordingtoanewreportfromtheUnitedNations.From2000to2019,therewere7,348majornaturaldisastersaroundtheworld,____19____(result)inUSD2,970billionineconomic．lossMuchofthisincreasecanbeduetoclimatechange.Thefindingsshowacriticalneed____20____(invest)indisasterprevention.Passage3（2020年北京）Single-useplasticbagsareusedatmostafewtimesbeforethey___4___(throw)away.Ittakesthemhundredsofyears___5___(break)down.Manyofthesebagsendupintheoceanwherelargeronescantrapseacreatures,suchasturtlesanddolphins.Overtime,thebagsfallapart___6___countlesstinypieces,andfishcanaccidentallyeatsomeofthem.Now,lotsof___7___(country)andregionsaretakingactiontobanthesaleofsuchbagstostoppeopleusingthem.Passage4（2020年北京）阅读下列短文，根据短文内容填空。在未给提示词的空白处仅填写1个适当的单词，在给出提示词的空白处用括号内所给词的正确形式填空。Apieceofstone___8___(find)onaDutchbeachsuggeststhatourextincthumanrelatives,knownasNeanderthals,wereclevererthanpreviouslythought.TheNeanderthals___9___（live）alongsidehumanancestorsinEuropefortensofthousandsofyears,beforedyingoutabout40,000yearsago.Theyweremuchstrongerthanmodernhumans,butit'slongbeenassumedthathumanancestorswere____10____（smart）thantheNeanderthals.However,thestonetoolmadebyNeanderthalssuggestsotherwise.Passage5（2019年北京）EarthDay，___4___(mark)on22April，isanannualeventaimingtoraisepublicawarenessaboutenvir