冀教版五年级英语下册知识点2022.docx

冀教版五年级英语下册知识点2022基数词能否加“s”1.thousandsof/millionsof/hundredsandhundredsof/hundredsofthousandsof/thousandsuponthousandsof成千上万例：Therearehundredsofthousandsofpeopleinthepark.公园里的人有千百个。2.intwosandthrees三三两两例：Theycamehomefromchurchbytwosandthrees.他们三三两两地从教堂回来。3.atsixesandsevens乱七八糟例：Hiswifewasawayandthehousewasatsixesandsevens.他妻子不在，家里乱七八糟的。4.inonesfifties在五十多岁时(fifties前可插入early，late，mid-，middle)例：Theboysareallintheirteens.那些男孩年纪都在十几岁。Janeisonlyinherearlyforties.简才刚刚四十出头。Shewasinhermid-twenties.她有二十五、六岁。Hewastheninhislateseventies.他当时已经快八十岁了。5.inthe1960s(inthe1960s)二十世纪六十年代例：Hemadeacquaintanceofherinthe1960s.六十年代他认识了她。五年级英语知识点归纳单词音节重读Today’stipisonhowsyllablestresscanaffectthemeaningofwords.今天的小贴士是关于音节重音如何影响单词的意思。Rememberthatstressedsyllablesaresaidlouderandarelengthened,andunstressedsyllablesarepronouncedmoresoftly,andoftenhavethevowelsoundsreduced.要记住重音的音节会发得会大声，声音会延长，而非重读音节就会发得较轻，但经常是元音声音降低。Sometimes,thisdifferencecanbethedifferencebetweenaverbandanoun,oranadjective.有时，这种不同可以区分动词与名词或形容词。Thereareatleast14pairsofwordsinwhichsyllablestressalonemakesthisdifference.至少在十四组单词里面，重读音节就会区分单词。Someexamplesinclude`addict,a`ddict,`convict,con`vict,`perfect,per`fect.一些例子包括：`addict,a`ddict,`convict,con`vict,`perfect,per`fect.Eachtimethesecondsyllableisstressed,thewordisaverb.当单词里第二个音节重读的话，这个单词就是一个动词。Whenthefirstsyllableisstressed,thewordiseitheranounoranadjective.当第一个音节重读的话，这个单词可以是一个名词也可以是一个形容词。Let’slooksomeexamplesmoreclosely.让我们来更仔细地看一些例子。`Permitandper`mit,`permit和per`mitA`permitisanoun,itisapieceofpaperwhichauthorizesyoutodosomething.单词`permit就是一个名词，意思是许可证;执照Forinstance,afishing`permitallowsyoutogofishing.比如说，有了捕鱼许可证就可以去钓鱼。Permitisaverb.Permit就是一个动词。Itmeanstoallow.意思就是允许。Forinstance,fishingisn’tper`mittedherewithouta`permit.比如说，没有许可证是不允许在这里钓鱼。Anotherexampleis`perfectandper`fect.`Perfectisanadjective.另一个例子就是`perfect和per`fect，`perfect是一个形容词。Itmeans100%correct,nomistakesorerrors.意思就是正确，没有错误。Theverbisperfect,itmeanstomakesomethingperfect.perfect是个动词，意思是使…完美。Forexample,“Iwanttoper`fec