五、介词和介词短语对应学生用书p166阅读下面材料,用适当的介词填空
1.(2019·全国卷Ⅰ)Modernmethods____________trackingpolarbearpopulationshavebeenemployedonlysincethemid1980s
2.(2019·全国卷Ⅲ)Wewerefirstgreetedwiththebarkingbyapack____________dogs,seventobeexact
3.(2019·浙江卷)Butcanuniformshelpimproveschoolstandards
Theanswer____________thisquestionisnotclear
4.(2018·全国卷Ⅰ)Whilerunningregularlycan’tmakeyouliveforever,thereviewsaysitismoreeffectiveatlengtheninglife____________walking
5.(2018·全国卷Ⅱ)Cornuseslesswater____________riceandcreateslessfertilizer(化肥)runoff
6.(2018·全国卷Ⅲ)Iwassearching____________thesethreewesternlowlandgorillasI'dbeenobserving
[答案与解析]1.of/for
此处trackingpolarbearpopulations做Modernmethods的定语,用of连接,“methodsofdoingsth
”意为“……的方法”,构成固定结构;或者意为“对于跟踪北极熊的方法”用for
故填of/for
apackof意为“一群……”