Lesson4:副词
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Healwayshasasmileonhisface.频率副词：annually,yearly,3timesaday,sometimes,oftenHewaitedformeinfrontofmydormitorybuildingeverynight.地点、时间副词（先地点后时间）Itwasfairlyhotinsummerthatyear.程度副词：（放在它所修饰的词之前）rather,fairly,definitely,quite,pretty,
very…
Hecarefullychoseasummersleepingmatofwovensplitbamboo.方式副词：用于修饰动词Frankly,hespoilsme.句子副词（用来修饰整个句子，位于句首）basically,generally,honestly,
eventually,amazingly方式副词
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TaskI(writing:
dramatically,suddenly,slightly,significantly,sharply,gradually,steeply,steadily,slowly,rapidly,
用于TASKII
Televisionisundoubtedlyoneofthemostimportanttechnological
developmentsinthehistoryofhumancivilization.电视机，毫无疑问地undoubtedly，人类文明civilization史上，最重要的技术发
展之一。
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IfthereisanyoneouttherewhostilldoubtsthatAmericaisaplacewhereallthingsarepossible,whostillwondersifthedreamofourfoundersisalivein
ourtime,whostillquestionsthepowerofourdemocracy[diˈmɔkrəsi],tonightisyouranswer.
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------FromBarackObama'sVictorySpeech:ChangeHasComeToAmericaLesson4:状语从句
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时间状语从句引导词:
when,whenever,as,while,before,after,until,till,since,assoonas,once
2）地点状语引导词：where、wherever
3）原因状语从句引导词：
as，because，since,considering/giventhat
4）目的状语从句引导词：sothat，inorderthat,incase
5）结果状语从句引导词：so….that,such…that
6）条件状语从句引导词：
if,unless,suppose,solongas,sofaras,providedthat,onconditionthat
7）让步状语从句引导词：though,although,nomatter
8）方式状语从句引导词：as,asif,theway
9）比较状语从句引导：
more…than/less…than,themore…,themore…
Practice:
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当一个社会失去其语言时,它同时也就失去了许多文化特性。（culturalidentity
Whenacommunitylosesitslanguage,itoftenlosesagreatdeal
ofitsculturalidentityatthesametime.
Peoplehaveasenseofsecuritywherecamerasareinstalled.在安装了摄象机的地方人们有安全security感.(cameras
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Practice:
有些老人愿意去敬老院住,因为在那里他们可以享受更好的居住环境,得到专业的照
料和治疗.(nursinghome,treatment
Someoldpeoplearewillingtoliveinanursinghomebecausetheycan
enjoybetterlivingenvironmentandhaveprofessionalcareandtreatment.
旅游业可能导致冲突conflict,因为游客往往对当地语言和文化知之甚少.
Tourismmaygiverisetoconflictsbecausetouristsusuallyknowlittle
aboutthelocallanguageandculture.Practice:
