牛津版英语八年级上册Unit-4知识点讲解+练习题(含答案).pdf

牛津版英语八年级上册Unit-4知识点讲解+练习题

Unit4Inventions

Greatinventions

hemostimportantinventionsinhistory.Thewheel

andmorecomfortable.Afewyearsago,peoplestartedtousewheelsoncarriages.Intheearly1

opular.Withoutthewheel,wewouldnothavetheseinventions.Thetelephone

AlexanderGrahamBellinventedoneofthefirstpracticaltelephonesin1876.Sincethen,people

havebeenabletospeaktoeachotheroverlongdistances.Todaymillionsofpeopleacrossthew

orldownmobilephones.Theyallowpeopletokeepintouchwitheachotheranytime,anywhere.

Thelightbulb

smanythingsintheeveningsastheycaninthedaytime.Canyouimaginelivingwithoutthem?

1.Co...把……变成……

2.Helpsb(to)dosth帮助某人做某事Helpsbwithsth帮助某人做某事

3.Liveabetterlife过一个更好的生活Leada...Life过一个……的生活

4.Threeof...……中的三个

5.Inhistory在历史上

6.Afewyearsago几年前

7.Starttodosth=startdoingsth开始做某事atthestartof在……的开端

Atthestartof20thcentury在20世纪初

8.Bepopularwith/among受……的欢迎

9.With/without+n有……/没……

10.Sincethen自从那时起，从那时以来

11.Beabletodosth能够做某事

12.Eachother=oneanother相互

13.Overlongdistances

14.Allowsbtodosth允许某人做某事Allowdoingsth允许做某事

15.Keepintouchwith...=stayintouchwith...和……保持联系

16.Haveto不得不

17.Asmuch/many+n(pl.)as和……一样多……

18.Inthedaytime在白天

19.Intheevening=atnight在晚上

20.Imaginedoingsth想象做某事

Apengiant

Doyouknowlaszlobiro?

Maybeyoudonot,butyouprobablyusehisinventioneveryday,andyoumayevenhaveitinyo

urhandrightnow!

Biro(1899--1985)wastheinventoroftheballpointpen.HewasborninBudapest,Hungary.Inth

e1930s,whenheworkedasanewspapereditor,heusedafountainpen

metimesmadeamessonthepaper.Birowantedabetterpen.Hisbrother,George,helpedhimd

evelopaspecialink.Theinkdriedeasily.Thentheydevelopedanewtypeofpen.

itthe“ballpoint”pen.

wo