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北京首师大附中校联考 2020-2021 学年第一学期期末高二英语试题

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  • 2021-01-22 20:43:29
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第二节语法填空(共10小题,每小题1.5分,共15分)AMorethan1billionpeopleagedfrom12to35areattheriskoflosingtheirhearingfrom11(listen)toloudmusicontheiraudiodevices.AccordingtoWHO,it’sconsideredunsafe12youhearasoundthatisabove85decibelsforeighthoursor100decibelsfor15minutes.13(normal),usersofpersonalaudiodeviceschoosetosetthevolumebetween75~105.ShellyChadhaoftheWHOsuggestedthatallsmartphonesshouldbefittedwithameasurementsystem,14wouldtellyouhowmuchsoundyou’relisteningto,andwhenyougooverthelimit.BUrbanForestProinPortlandisafull-servicetreecarecompanyprovidingtreeservices.Ourarborists(树艺师)15(train)torecognizetheuniqueneedsofyourtrees,takingintoaccountfactorssuchasthetree’sage,health&priorpruning.Doingtreepruning,weselectivelyremovecertainpartsofatreeaccordingtothegoalsofourcustomers.Ourarboristscaninmostcasescome16withapruningmethodthatisboth17(benefit)forthetree’shealthandlongevityandmeetstheneedsofourcustmmers.CThere’sanewfrontierin3Dprintingthat’sbeginningtocomeintofocus:food.Witha3Dprinter,acookcanprin

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