初三英语Unit10Whenwasitbuilt知识精讲一.本周教学内容：Unit10Whenwasitbuilt?I.词汇：display,natural,guide,underground,desert,humanbeing,disappear,disappearance,discover,found,entrance,exit,park,parking,danger,pause,teapot,bowl,serve,fill,objectII.词组和惯用法onshow展览hundredsof数以百计ondisplay陈列agroupof一群（组）humanbeing人becoveredwith被…覆盖intheolddays从前befilledwith被装满III.日常交际用语（学习常见标识）Entrance进口Exit出口Push推Pull拉Nosmoking禁止吸烟NoPhotos禁止拍照Noparking禁止停车Danger危险BusinessHours营业时间IV.语法一般过去时的被动语态，was/were＋动词过去分词重点与难点：1.一般过去时的被动语态was/were＋动词过去分词构成ThecamerawasmadeinChina.Thebuildingwasn’tbuiltbyus.Weretheyusedfordrinkingwine?Whenwasitbuilt?2.inthe1920s.“在二十世纪二十年代”读作inthenineteentwenties.inthe1830s十九世纪三十年代intheeighteenthirties.inthe1970s二十世纪七十年代inthenineteenseventies3.in/on/at表示时间（1）在年代、月份、季节、不特指的morning,afternoon,evening前用in.HersistertookpartinasportsmeetinginApril,2001.Heoftengoesoverthetextintheevening.（2）某一天（如星期几，几号），特定的某天、上午、中午、下午，或晚上要用on.ThePeople’sRepublicofChinawasfoundedonOctober1,1949.IgotothecitylibraryonSundaymorning.（3）具体的时间点，不特指的noon,night前用atShegetsupat6:00inthemorning.Shehadanexamatthebeginningofthemonth.atnoon,atnight.4.onshow/ondisplay陈列、展览onshowintheplaceforpeopletovisit.Herpictureswillbeonshownextweek.Thecarsonshowherearequitemodern.ThiskindofTVsetswasondisplayinthemarketlastweek.5.first/atfirst（1）first=firstofall.首先、第一，一般用在说明顺序上的首先、第一。Workmustcomefirst.（2）atthefirst=atthebeginning“最初、开始”一般用来暗示后来情况有所变化。AtfirsthelivedinTianjingandthenmovedtoShanghai.6.discover/lookfor/find（1）discover“发现”指偶然发生或察看到早已存在着的或早已为人所知的人或事。WediscoveredMissWangtobefriendlytous.（2）lookfor“寻找”强调寻找的动作、不涉及结果，是延续性动词。Thetwoboysarelookingfortheborrowednewspapereverywhere.（3）find“发现、找到”强调结果，是短暂性动词。Shecan’tfindtimetoplay.7.longbefore/beforelong（1）longbefore“很久以前”作状语，常与一般过去时，过去完成时连用。Thatmeansdinosaurslivedlongbeforehumanbeingsappeared.（2）beforelong“不久以后”相当于soon多与将来时连用。Hewillbebackbeforelong.Ishallseeyoubeforelong.8.becoveredwith/becoveredby（1）becoveredwith“由…覆盖”表示自身自然生长的。Catsarecoveredwithfuranddogsarecoveredwithhair.（2）becoveredby“被…覆盖”表示动作，是被动的结构。Thehilliscoveredbygreentrees.Theground,thehousesandthetreeswereallcoveredbysnow.9.inthefuture/infuture.（1）inthefuture“将来”指将来的某一时期，相当于thetimeyettocomeShewantstogoabroadinthefuture.Hewillbecomeafilmstarinthefuture.（2）infuture“将来、今后”，主要强调从现在起的以后相当于fromnowon.“Youmuststudyhardinfuture,”theteachersaid.10.because/since/as/for（1）because从属连词，“因为”，表示直接的理由，由because引导的从句，一般放在主句的后面。Mymotherdidn’tgoshoppingbecauseshewasn’tfree.－Whydidn’tyoucometoschool?－BecauseIhadahighfever.（2）since说明两件事之间的逻辑关系，“既然”Sincetheyhaven’tanypaper,theycan’tmakepaperships.（3）as说明明显的理由，“由于”，由as引导的从句一般放在主句的前面。Asitisdark,westoppedtohavearest.（4）for表示原因时语气最弱，是并列连词，常用来补充说明理由或提供一种解释，由for引导的从句一般放在主句的后面。Im...
