英语Unit6ConnectLesson43（冀教版八年级下）-课件

Lesson43:

BooksorComputers?Newwordsprintingpressn.印刷机machinen.机器modernn.现代的whichpron.哪一个；指提到的事物Project:WHICHONEDIDMORE?BooksorNet?Whatisaprintingpress?Theprintingpressisamachinethatcanmakelotsofbooksinashorttime.Howwerebooksmadebeforetheprintingpress?Beforetheprintingpress,bookswerewrittenbyhands.Sometimes,peopleworkedforyearstomakebooksbyhand.Howdidbookschangeinformation?Theprintingpresscouldmakemanybooksquickly.Becausethereweremorebooks,morepeoplecouldreadbooks.Informationbegantotravelmuchfasterandmuchfarther.Booksalso“kept”informationforyou.Ifyouforgotsomething,youcouldlookitup.TheInternethelpsmedomyhomework.Icanfindlotsofinformationinjustafewminutes.Whichinventiondoyouthinkismoreimportant---theprintingpressortheInternet?Whichonedidmore?哪一个更重要？which疑问代词哪个，哪一个，哪一些。如：Whichpendoyoulike?你喜欢哪枝钢笔？Whichcamefirst,thechickenortheegg?

哪个先生产，小鸡还是鸡蛋？which的其他用法1)关系代词，引导一个定语从句，意思是“的（那个），的（那些）”。如：Thetreeswhichstandbytheriverarelargeandtall.河边的树又高又大。2)关系代词，那个，那些Hestruckthepoordog,whichhadneverdonehimharm.他打了那条可怜的狗，那条狗从未伤害过他。3)形容词，哪，哪一个Whichforeignlanguageareyoustudying?你在学哪种外语？Beforetheprintingpress,somebodywriteeverybookbyhandwithapen.

在印刷机之前，每本书是一些人用钢笔手工写的。byhand手工Thatoldbookwaswrittenbyhand.

那本旧书是人工抄写的。Iliketoeatdumplingsmadebyhand.

我喜欢吃手工包的水饺。【拓展】byhand还有“用体力”“由专人”等意思。Theletterwasdeliveredbyhand.

此信由专人递送。Theprintingpressisamachinethatcanmakelotsofbooksinashorttime.

印刷机是一台在很短的时间内能印刷许多书的机器。1)machine机器。如：

washingmachine洗衣机

printingmachine(=printingpress)印刷机2)inashorttime在很短的的时间内，in在……以后“in+时间段”通常用于将来时。如：MyfatherwillbebackfromBeijinginaweek.

我爸爸一周之后就从北京回来。“after+时间”也可以用于将来时，但after之后加时间点。例如：He’llcomebackafterseveno’clock.

他将在7点钟回来。Howdidbookschangeinformation?书是怎样改变信息的？changev.&n.1)v.改变，变革，改造。changetheworld改变世界，changeone’smind改变主意ChangeplanesatZhengzhouforBeijing.在郑州换飞机去北京。Canyouchangemeadollar?你能兑换给我1美元吗？2)

vt.变，改变，变化。TheweatherchangesveryofteninEngland.在英国天气常常变化。换衣；换车Thebabyneedschanging.婴儿需要换衣服了。3)n.改变，变化，转变。Manychangeshavetakenplacesince1978.自1978年以来发生了许多变化。更换；调换；替换物。Let’sgototherestaurantforach