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牛津版英语八年级上册Unit-4知识点讲解+练习题
Unit4Inventions
Greatinventions
Greatinventionschangetheworld.Theyhelppeopleliveabetterlife.Thefollowingarethreeoft
hemostimportantinventionsinhistory.Thewheel
Thewheelperhapsisthegreatestinventioninhistory.Afteritsinvention,travelingbecamefaster
andmorecomfortable.Afewyearsago,peoplestartedtousewheelsoncarriages.Intheearly1
9thcentury,thefirsttrainsbegantocarrypassengers.Atthestartof20thcentury,carsbecamep
opular.Withoutthewheel,wewouldnothavetheseinventions.Thetelephone
AlexanderGrahamBellinventedoneofthefirstpracticaltelephonesin1876.Sincethen,people
havebeenabletospeaktoeachotheroverlongdistances.Todaymillionsofpeopleacrossthew
orldownmobilephones.Theyallowpeopletokeepintouchwitheachotheranytime,anywhere.
Thelightbulb
ThomasEdisondevelopedthefirstpracticallightbulbin1879.Beforetheinventionofthelight,p
eoplehadtouseoillamps,gaslampsorcandlestoseeatnight.Withlightbulbs,peoplecandoa
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
Doyouknowlaszlo
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