介词介词分类按结构分介词语法填空在空白处填入1个适当的单词。2.(2021全国乙卷)Duetothegrowingpopularityofenvironmentally-relatedandadventuretravel,varioustypes____tripsarenowbeingclassifiedasecotourism.3.(2021全国新高考Ⅱ卷)Acompanyrepresentativewrotebackandtoldmetheairlinewasswitchingover_______plastictopapercupsonallofits1,200dailyflights.4.(2020全国Ⅱ卷)Bambooplantsareassociated______health,abundanceandahappyhome.5.(2020全国Ⅲ卷)Theartistwasfinallyhumbled(谦卑)bythegreatestartist_____earth,MotherNature.6.(2020新高考全国Ⅰ卷)Museumsmustcompete_____people’ssparetimeandmoneywithotheramusements.7.(2019全国Ⅰ卷)Modernmethods______trackingpolarbearpopulationshavebeenemployedonlysincethemid-1980s.8.(2019全国Ⅲ卷)Wewerefirstgreetedwiththebarkingbyapack_____dogs,seventobeexact.9.(2018全国Ⅲ卷)Iwassearching_____thesethreewesternlowlandgorillasI’dbeenobserving.10.(2017全国Ⅰ卷)Thistrend,whichwasstartedbythemedicalcommunity(医学界)____amethodoffightingheartdisease,hashadsomeunintendedsideeffects…11.(2017全国Ⅱ卷)…andallowedpeopletoavoidterriblecrowdsontheroadsaboveastheytravelledtoand______work.12.(2017全国Ⅲ卷)Afterschoolsheplanstotakeayearofftomodelfull-timebeforegoingtouniversitytogetadegree____engineeringorarchitecture.13.(2016全国Ⅰ卷)Butmyconnectionwithpandasgoesback_____mydaysonaTVshowinthemid-1980s…14.(2016全国Ⅲ卷)InIndia,forexample,mostpeopletraditionallyeat______theirhands.考点：从最近几年的高考来看，介词是每年必考的，且主要考查了以下几个方面：searchfor搜寻(2018·Ⅲ卷)解法：介词后必须接宾语，作宾语的是名词、代词或动名词等。因此，在语法填空中，如果空格后是一个名词或代词，而该名词或代词在句中不作动词的宾语，又不是句子的主语时，空格处必定是填介词。语法填空在空白处填入1个适当的单词。2.Thenshehaddonatedthemoney____theschooltopayoffthelunchdebtsof123students.3.ThisancientEnglishsiteisacollection____largestonesarrangedintwocircles,oneinsidetheother.4.Thoughthefullstophastakenonadifferentmeaningtotheyoungergeneration,specialistsnotedthatitisimportanttotakelanguageenvironment______account.5.Thanks____agrowingnetworkofreservesandcommunityprotectionactions,pandasarenolongerendangered,butthebiggesthopefortheirlong-termsurvivalistheGiantPandaNationalParkwhichwillbeopeninthecom