Module3JourneytospaceUnite2知识点梳理-八年级英语下册

2024外研社八年级英语下册Module3Journeytospace知识点清单Unit2Wehavenotfoundlifeonanyotherplanetsyet.重点单词解析重点单词解析教材原句：Noneofthemhasanenvironmentlikethatoftheearth,soscientistsdonotthinktheywillfindlifeonthem.【归纳】nonepron.没有一人；没有一个；一点儿也没有【辨析】none与noonenone“没有一人/一个；一点儿也没有”，指人/物，all的全部否定“noneof+可数名词复数/人称代词复数”作主语，谓语动词单复数即可“noneof+不可数名词”作主语，谓语动词用单数形式；强调数量，回答“howmany/howmuch”的提问；noone“没有人”，指人，=nobody后不跟of短语，作主语，谓语动词用单数形式；不强调数量，回答who的提问；e.g.Noneofusknow（s）her.Howmanyapplesarethereinthebasket?None.Noone/Nobodyknowsthemanoverthere.Whowenttothepark?–Noone./Nobody.教材原句：Noneofthemhasanenvironmentlikethatoftheearth,soscientistsdonotthinktheywillfindlifeonthem.【归纳】environmentn.环境，可数名词/不可数名词【拓展】（1）theenvironment“自然环境；生态环境”（2）environmental“自然环境的，有关环境的”e.g.Wemustprotecttheenvironment教材原句：Noneofthemhasanenvironmentlikethatoftheearth,soscientistsdonotthinktheywillfindlifeonthem.【归纳】thatpron.那；那个（指代已被提及的事物）；还可用于含有比较意为的句子，代替可数名词复数时用those。e.g.Inwinter,theweatherinHarbinismuchcolderthanthatinNanning.教材原句：Theyareveryfarawayandtheirlighthastotravelformanyyearstoreachus.【归纳】lightn.光；光线；光亮，不可数名词【拓展】light的其他用法可数名词，意为“电灯”可数名词，意为“电灯”lightlightadj.①明亮的；采光好的②浅色的（反）dark③轻的（反）heavyv.v.点燃；照亮（lit;lit/lighted;lighted）教材原句：Theyareveryfarawayandtheirlighthastotravelformanyyearstoreachus.【归纳】reachv.到达；抵达=getto或arriveat/in【拓展】reachv.触及；传到e.g.WewillreachSuzhounextweek.教材原句：Itisimpossibletoimagine.【归纳】impossibleadj.（事情）办不到的，不可能的【常用句型】It’simpossible(forsb.)todosth.（对某人来说）做某事是不可能的【拓展】形容词前+im构成反义词e.g.It’simpossibleformetogetthefirstprizewithoutmyEnglishteacher’shelp.教材原句：Scientistshavealwaysaskedthequestion:withsomanystarsintheuniverse,arewealone,oristherelifeoutthereinspace?【归纳1】aloneadj.单独的；独自的不能用于名词前，常用作表语【拓展】aloneadv.“单独，独自”【归纳2】outadv.“在远方”【拓展】adv.“外出，不在家”【归纳3】municatev.联系；交流municatewithsb.“与某人交流”【派生词】munication不可数名词，意为“交流；联系”e.g.Iwasathomealoneyesterday.Shewentouttothesupermarket.It’simportanttomunicatewithyourfriendswhenyou’reintrouble.重点重点短语解析教材原句：Scientiststhinkthattherehasbeenlifeontheearthforhundredsofmillionsofyears.【归纳1】ontheearth在地球上/世界上【归纳2】hundredsofmillionsof数以亿计的【拓展1】hundredsof成百上千的后+可数名词复数表示概数thousandsof数以千计的，成千上万的millionsof数以百万计的billionsof数以十亿计的【拓展2】当hundred/thousand/million/billion+具体数字时，后不+s,也不+of。e.g.Iamtheluckiestpersonontheearth.Thehouseisthousandsofyearsold.教材原句：Sevenotherplanetsalsogoaroundthesun.【归纳】基数词+other/more+可数名词复数=another+基数词+可数名词复数“再/又……”e.g.Ihaveeightother/moreapples.=Ihaveanothereightapples.教材原句：However,nospaceshiphastravelledfarenoughtoreachotherstarsinourGalaxy.【归纳】形容词/副词+enoughtodosth.“足够……可以做某事”可与“so…that…”互换否定式“not+形容词/副词+enoughtodosth.”“不够……不可以做某事”可与“too…to…”互换e.g.She’scleverenoughtoworkouttheproblem.=She’ssocleverthatshecanworkouttheproblem.He’snotoldenoughtogotoschool.=He’stooyoungtogotoschool.教材原句：Scientistshavealwaysaskedthequestion:withsomanystarsintheuniverse,arewealone,oristherelifeoutthereinspace?【归纳】with+名词/代词+介词短语位于句首/句末，作状语e.g.Hewalkedintotheroom,withabunchofflowersinhishands.重点重点句型解析教材原句：Scientiststhinkthattherehasbeenlifeontheearthforhundredsofmi