Unit8单元知识点整理牛津译林版八年级英语下册.pdf

八年级下第8单元知识点整理(上）

1.Ilikedigginginthegarden.

dig动词挖洞，沟等，现在分词digging,过去式dug,过去分词dug

Somechildrenaredigginginthegarden.

Lastyeartheydugfivechannels.(隧道）

digout挖出；找出；digup掘地；发现

Hehadtodigthecaroutofthesnow.

Theyarediggingupthebasketballcourttolayanewsurface.

2.Areyouserious?

serous形容词，认真的，严肃的，在句中作定语或者表语。固定结构beseriousabout(doing)sth.

对（做）某事认真。seriously严肃地，认真地，严重地

Believeme,Iamserious.相信我，我是认真的。

Helookedseriouswhenhewalkedin.

serious形容词，严重的；重要的

Shehasmadeaseriousmistakebutshedidn’trealizeit.

训练题第一部分

1.Thecatis_____aholeinthegarden.(挖）

2.--Ihavedecidedtogiveupthejob.--________.Youshouldthinktwice.

’snotthecase.B.Whatajoke!C.Guesswhat?D.Areyouserious?

3.--Moreandmorepeoplearegettingsick.--Iftheproblemisso_____,weshouldtakeactionto

stopitrightnow.

3.Wecanreduceairpollutionbyridingbicycles.

reduce动词，减少，降低，指重量、数目、范围、速度等减少或者降低。

reduceto减少到，reduceby减少了

Wemusttakestepstoreduceairpollution.

Costwillbereducedbyasmuchas60%成本降低了60%之多。

4.Wecansavetheenergybyturningoffthelightswhenweleavearoom.

turnoff关上（开关）turnon打开（开关）

turn动词，旋转；转动

turnonthebutton=turnthebuttonon

Turnitoff.

turnon/off都是动词+副词的结构，名词作宾语既可以放在中间，也可以放在后面。代词作

宾语，只能放中间。

turndown调低，拒绝turnup调高；出现turnin上交turnout生产；结果是

turn...into把变成turnto翻到；向求助turnover翻页；移交

Whydidsheturndownyourinvitation?

Ihaven’tturninSunday’shomeworkyet.

Althoughweareveryworried,everythingturnedoutwell.

5.Moreandmorefamiliesowncarsandthiscausesseriousairpollution.

cause动词导致；造成，后接抽象名词、代词作宾语，也可以接双宾结构。

causesb.sthtodosth.导致某人/某事做某事

Smokingcancauselungcancer.

IamafraidIwillcauseyoumuchtrouble.

cause名词原因；起因thecauseof...的原因

Whatwasthecauseofthefire?

Unemployment