學必求其心得，業(yè)必貴于專精學必求其心得，業(yè)必貴于專精學必求其心得，業(yè)必貴于專精課后導練典題例證【例1】________hehaslimitedtechnicalknowledge，theoldworkerhasalotofexperience.A。Since B.Unless C。As D。Although解析：根據句意，此處意思為轉折“雖然這位老工人科技知識有限，但他有豐富的經驗"。although雖然；since既然；unless除非，如果不；as因為.答案：D【例2】________you’vetriedit，youcan'timaginehowpleasantitis.A。Unless B.Because C.Although D.When解析：與后文的can’t否定結構呼應，“你若不去嘗試一下，你簡直想像不到有多舒服！"答案：A【例3】Myparentswerequarrellingaboutme________Icouldnotquitetellwhy。A.since B.though C.if D.until解析：since表條件，原因；though表讓步性條件；if表假設性條件；until表讓步性的時間含義。句意為“雖然我不知道原因，但父母是在因為我而爭吵”.答案:B【例4】Intimeofseriousaccidents，_______weknowsomebasicthingsaboutfirstaid，wecansavelives.A.whether B。until C.if D.unless解析:根據邏輯關系“假如我們知道一些基本的急救知識，我們可以挽救很多生命”.只有if有“假如”的意思。答案：C【例5】Theoldtowermustbesaved,_______thecost.A.however B。whatever C。whichever D.wherever解析：句意為“無論花費多少必須拯救古塔”。however常用來加強程度，故用whatever。答案:B觸類旁通熟練掌握各連詞的用法，并隨時注意區(qū)分它們的用法.本題注重前后語氣的順承,unless引導條件狀語從句。理順上下文關系，正確理解句意是做單選題的第一原則。做單選題,首先確定句意。if引導的條件句有真實、非真實兩種。此處為真實條件句。whoever,whatever,however等詞引導讓步狀語從句時，一定要分析好不同的引導詞在句子中所表示的不同意義。基礎達標Ⅰ。單詞拼寫根據首字母或者漢語注釋寫出單詞的正確形式.1。Ifyoureadyourarticlecarefully，youwill_______（避免)makinggrammarmistakes。答案:avoid2。She________(變化）herdressasfashionchanges。答案:varies3。Ican________（信任)youtocomeontime.答案:trust4.Whenyoureadanovel,youshouldnotalways________（查閱)toyourdictionary。答案:refer5。Hegotintoa_______(恐慌)whenhefoundthedoorlocked。答案:panic6。Youcannot________(彎曲）abarofsteeleasilywithoutatool。答案：bend7.Hemadesome_______(手勢）toexpresswhathewanted.答案：gestures8。Inargument，weshouldtrynottor______ourvoice，ortheargumentwillpossiblybecomeaquarrel.答案：raise9.Inawar，themostimportantfactorisnotthew_______butpeople.答案:weapon10.Whilewatchingtheperformancethechildrencheeredandc_______theirhands.答案:clappedⅡ.根據句意和本單元學過的內容,填入適當的介詞或副詞。1。Wemadeadeal________themtoprovideuswithwater.答案:with2.Theyfellinlovewhentheymet________thefirsttime.答案:for3。Wehavetorely________ourowneffortstosolvetheproblem.答案:on/upon4。Ifyouarehot,youshouldtake________yourcoat。答案:off5。Younodbymovingyourhead________and_______.答案：up;down6.Ihaveheardthenews________accidentthathehasgoneabroad.答案：by7.WhenImethim，hesaidhello________me。答案：to8.Canyoudoafavor________me？答案：for9。Thenumbersadd_______________200。答案：upto10.Iwenttothestationtoseeher_______。答案:offⅢ.翻譯句子1。別把別人牽涉到你的麻煩中。(involve)答案:Donotinvolveothersintoyourtrouble.2.盡管他倆是雙胞胎,他們的興趣并無多少相似之處.(have...incommon)答案:Althoughtheyaretwins,theirinterestshavenothingincommon。3.你最好不要憑