【三维设计】2013高中英语Unit21HumanBiologySectionⅣ语言点二应用落实课下作业北师大版选修7Ⅰ.介词填空1．Thistimeshe'sleavingforgood;youcan'texpecttoseeher.2．IhopetheweatherwillclearupbeforeSunday.3．Alltheirattentionwasfocusedononlyonethinghowtosolvetheproblemofwaterpollution.4．Firstofall,youhavetowashyourhands.5．Thefestivalwillbegreatforourcityandforthecountryasawhole.6．Youwillbenefitfromjoggingalotifyousticktoit.Ⅱ.单项填空1．Ithasbeenrainingforthreedays.Ihopeit________.A．willcleanupB．willclearupC．tocleanupD．tobeclearedup解析：选B。句意：连着下了三天雨了，我希望天会放晴。clearup“(天气)转晴”，故从B、D中选；另hope后可接宾语从句，但不能跟复合结构，故选B。2．Wethoughtshe'dcomeforavisit,butitseemssheisstaying________.A．forgoodB．forfunC．atlengthD．fornothing解析：选A。句意：我们本以为她是来拜访的，但她看起来似乎要长期待下去。forgood“长期地，永久地”，符合句意。1
