3道语法题(SAT)1.Forthepasthundredyearsormore,YellowstoneNationalPark"was"akindofsociologicallaboratoryinwhichNorthAmericanshavebeenexploringthemeaningofthenationalparkconcept.文中was的用法是错误的,请问正
3道语法题(SAT)
1.Forthepasthundredyearsormore,YellowstoneNationalPark"was"akindofsociologicallaboratoryinwhichNorthAmericanshavebeenexploringthemeaningofthenationalparkconcept.
文中was的用法是错误的,请问正确答案是?为什么?
2.Introducingnewideasandreplacingoldones"is"alwaysahighlycontroversialmatter.
文中的is用法是正确的.不过我不明白的是,主语不是plural麽(introducing...replacing)?
3.Theoftenconflictingreportsofdifferentpollingorganizations"makeitdifficult"topredictwhichofthetwocandidatesismorelikelytowintheelectionnextyear.
文中的引号处用法正确.我不明白的是我认为引号中的it指代不明...不过看来我理解错了?请问it指代什么?makeitdifficult是固定用法麽?