七年級(jí)上冊(cè)英語(yǔ)Unit7知識(shí)點(diǎn)與語(yǔ)法精講精練詞匯梳理詞匯梳理（一）完成單詞梳理：名詞：1.sock短襪2.TshirtT恤衫3.shorts短褲4.sweater毛衣5.trousers褲子6.shoe鞋7.skirt裙子8.dollar元（美國(guó)、加拿大等國(guó)的貨幣單位，符號(hào)為$）9.woman女子10.pair一雙;一對(duì)11.clothes衣服;服裝12.store商店13.sale特價(jià)銷售;出售14.price價(jià)格15.boy男孩動(dòng)詞：1.need需要2.look看;看上去3.take買下;拿;取4.buy購(gòu)買;買5.sell出售;銷售;賣副詞：1.very很;非常數(shù)詞：1.ten十2.eleven十一3.twelve十二4.thirteen十三5.fifteen十五6.eighteen十八7.twenty二十8.thirty三十形容詞：1.big大的;大號(hào)的2.small小的;小號(hào)的3.short短的;矮的4.long長(zhǎng)的5.all所有的;全部的兼類詞：1.much（pron/adj）許多；大量；多少(二)詞匯變形小結(jié)：1.woman(n.女子)—women(復(fù)數(shù))2.man(n.男子)—men(復(fù)數(shù))3.big(adj.大的)—small(反義詞：小的)4.sell(v.出售；銷售；賣)—sale(n.特價(jià)出售；出售)5.short(adj.短的)—long(反義詞：長(zhǎng)的)【練一練】用所給詞的適當(dāng)形式填空Thosethree___women____(woman)arefromEngland.Henry___looks_____(look)veryhealthy.Four____pairs____(pair)ofsocksareonlytenyuan.Theyarecheap.MyfriendBobloseshisnotebook,sohe___needs____(need)anewone.Thoseniceskirts(skirt)inthestorearenice.AndIwanttobuyoneformylittlesister.Youcane(e)andsee.Wherearemyshoes(shoe),mom?Iwanttobuy(buy)abaseball,butwhereisthesportsstore?Theredshortsonsale(sell)areverygood.Weoftenhavesomenicetomatoes(tomato)fordinner.(三)短語(yǔ)攻關(guān)：howmuch （購(gòu)物時(shí)）多少錢apairof 一雙looknice 看上去很漂亮clothesstore 服裝店atverygoodprices 以很優(yōu)惠的價(jià)格bigsale 大降價(jià)知識(shí)點(diǎn)梳理知識(shí)點(diǎn)梳理1.socks短襪【用法詳解】通常以復(fù)數(shù)形式出現(xiàn)。表示“……雙短襪”用“基數(shù)詞+pair(s)ofsocks”。Eg.Iwanttobuyapairofsocks.我想買一雙短襪。Thethreepairsofsocksarered.這三雙襪子都是紅色的。【拓展延伸】本單元學(xué)到的與socks一樣通常成對(duì)出現(xiàn)的名詞還有shoe（鞋）、shorts（短褲）、trousers（褲子）。這些名詞以復(fù)數(shù)形式在句中單獨(dú)作主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞用復(fù)數(shù)形式。Eg.Theshoesareblack.這雙鞋是黑色的?！炯磳W(xué)即用】1.Howmuchare(be)thesesocks?2.Iwanttobuythreepairs(pair)ofshoes.2.—HowmuchisthisTshirt?這件T恤衫多少錢？—It’ssevendollars.7美元?！居梅ㄔ斀狻浚?）重點(diǎn)：Howmuchis/are...?……多少錢？該句型常用來(lái)詢問(wèn)物品的價(jià)格，其答語(yǔ)通常為“It’s/They’re+價(jià)格.”，也可直接說(shuō)出價(jià)格。Eg.—AniceTshirt!Howmuchisit?好漂亮的T恤衫！多少錢？—It’s50yuan.50元?！狧owmucharetheseapples?這些蘋果多少錢？—They’reninedollars.9美元。（2）much意為“許多；大量；多少”，既可作代詞，又可作形容詞，用來(lái)指代或修飾不可數(shù)名詞。’teatmuchfordinner.晚餐不要吃太多。（作代詞）Thereismuchmilkinthebottle.瓶子里有很多牛奶。（作形容詞，修飾milk）【拓展延伸】指代或修飾可數(shù)名詞復(fù)數(shù)時(shí)用many。’ttakesomany.別拿這么多。（作代詞）Agoodbookcanteachyoumanythings.一本好書可以教你很多東西。（作形容詞，修飾things）（3）dollar是美國(guó)、加拿大等國(guó)的貨幣單位，復(fù)數(shù)形式為dollars，符號(hào)為$。表示價(jià)格時(shí)，可用“數(shù)詞+dollar(s)”的形式，也可用“$+數(shù)詞”的形式。Eg.Thebaseballbatis10dollars.這個(gè)棒球棒10美元。知識(shí)小百科人民幣的單位是元（知識(shí)小百科人民幣的單位是元（yuan）、角（jiao）、分（fen），在英語(yǔ)中用漢語(yǔ)拼音表示，沒(méi)有復(fù)數(shù)形式。如：50yuan“50元”。英國(guó)的貨幣單位是英鎊（pound），有復(fù)數(shù)形式。如：10pounds“10英鎊”。常見的貨幣符號(hào)：【即學(xué)即用】1.Onebagistwodollars,andfourbagsareAdollars.3.Woman:CanIhelpyou?女士：您要買點(diǎn)什么嗎？【用法詳解】woman意為“女子”，作可數(shù)名詞，其復(fù)數(shù)形式為women（?？键c(diǎn)）。對(duì)應(yīng)詞man（男子）的復(fù)數(shù)形式為men?！就卣寡由臁縲oman和man作定語(yǔ)修飾可數(shù)名詞復(fù)數(shù)時(shí)，woman和man也要用復(fù)數(shù)形式women和men。Eg.fivewomenworkers五名女工threementeachers三位男老師【即學(xué)即用】Thetwowomen(woman)inthephotoaremymotherandmyaunt.CanIhelpyou?該句子是向別人提供幫助時(shí)的常用句型，常用于商店、賓館、飯店等場(chǎng)所。在不同的場(chǎng)合有不同的譯法：在商店可譯為“你想買點(diǎn)什么嗎？”在飯店可譯為“你想吃點(diǎn)什么嗎？”在公共場(chǎng)合可譯為“需要幫忙嗎？”肯定回答常用“Yes,please.”；否定回答常用“No,thanks.”或“No,thankyouallthesame.（不用，仍然感謝你）”?—CanIhelpyou?你想吃點(diǎn)什么嗎？—Yes,please.Iwanttoordersomedumplings.好的，謝謝。我想點(diǎn)一些餃子。?—CanIhelpyou?需要幫忙嗎？—No,thanks.I’mjustlookingaround.不了，謝謝。我只是看看。WhatcanIdoforyou?我能為你做點(diǎn)什么嗎？CouldIhelpyou?我能幫助你嗎？WhatcanIdoforyou?我能為你做點(diǎn)什么嗎？CouldIhelpyou?我能幫助你嗎？MayIhelpyou?要我?guī)兔?？IsthereanythingIcandoforyou?我可以為你效勞嗎？【即學(xué)即用】1.—CanIhelpyou?—CIwantahat.’rewele.B.Yes,youcan.C.Yes,please.D.No,youcan;t.4.Ineedasweaterforschool.我需要買一件上學(xué)穿的毛衣?！居梅ㄔ斀狻縩eed意為“需要”，有人稱和數(shù)的變化。其否定形式是在need前加don’t或doesn’t。needsthneedsth.需要某物needtodosth.需要做某事Eg.Doyouneedanyfruit?你需要水果嗎？（一般疑問(wèn)句）Youdon’tneedtogotoschooltoday.你今天不需要去上學(xué)。（否定句）Heneedstopay$60fortheticket.他需要為這張票支付60美元?！炯磳W(xué)即用】1.Mysister’swatchislost.SheneedsDanewone.A.buyB.buyingC.boughtD.tobuy2.—CanIhelpyou?—Yes.IAadictionary.5.Howaboutthisone?這件怎么樣？【易混辨析】one與itone指代前面提到的同類事物中的一個(gè)，但并非同一個(gè)事物，即“同類異物”。如果指代同類事物中的一些，用ones。it指代前面提到的同一事物，即“同類同物”。【語(yǔ)境串記】—Yourcoatisverycool.Wheredidyoubuyit?Iwanttobuyonelikeyours.你的外套很酷。你在哪兒買的？我想買一件跟你的一樣的?！猅herearemanysimilar（相似的）onesinUncle’sStore.Uncle’sStore里有很多類似的衣服。【即學(xué)即用】1.Excuseme,Iwantsomebooks,butIcan’tfindabookstorehere.IknowAonmywayhome.ewithme,please.2.—Ineedahat.—WhataboutthisD?6.Twodollarsforonepairandthreedollarsfortwopairs.兩美元一雙，三美元兩雙?！居梅ㄔ斀狻恐R(shí)點(diǎn)1：pair意為“一雙；一對(duì)”，常與介詞of連用，表示鞋子、襪子、眼鏡、褲子等由兩個(gè)相同部分組成的物品的量。常構(gòu)成固定結(jié)構(gòu)：“…pair(s)+of+復(fù)數(shù)名詞”（1）“apairof+復(fù)數(shù)名詞”作主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞要與pair的數(shù)保持一致，用單數(shù)形式。其中不定冠詞a可換成this、that等。Eg.Apairofshoesinthestoreis88yuan.在這家商店，一雙鞋88元。（2）“…pairsof+復(fù)數(shù)名詞”作主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞要與pairs的數(shù)保持一致，用復(fù)數(shù)形式。Eg.Therearethreepairsofshoesinthebox.盒子里有三雙鞋?！炯磳W(xué)即用】1.MytrousersDgreen,butthispairoftrousersblack.A.is;isB.are;areC.is;areD.are;is2.ThatpairofshoesC’lltake.Hereyouare.A.is;themB.are;themC.is;itD.are;it3.—WhatcanIdoforyou?—I’dlikethree___B____.A.pairofsock B.pairsofsocks C.pairofsocks D.pairsofsock知識(shí)點(diǎn)2：“價(jià)格+for+物品”表示“某物需要多少錢”。如果是雙方都知道的物品，介詞for后可直接接物品的數(shù)量?！痵twentydollarsforthiscoat.這件大衣20美元。Fiveyuanforthree.五元三個(gè)。7.Hereyouare.給你?！居梅ㄔ斀狻吭摼渲饕糜诎褨|西遞給別人的場(chǎng)合，意為“給你”。Eg.—CouldyoushowmeyourIDcard?我能看一下你的身份證嗎？—Sure.Hereyouare.當(dāng)然可以，給你?！炯磳W(xué)即用】1.—MayIuseyourdictionary?—D.A.Nevermind B.Youarewele C.Itdoesn’tmatter D.Certainly.Hereyouare8.eandbuyyourclothesatourgreatsale!我們?cè)诖笏u，快來(lái)買衣服吧！buybuysth.買某物buybuybuysth.買某物buysth.forsb.=buysb.sth.給某人買某物buysth.from...從……買某物sellsth.tosb.=sellsb.sth.把某物賣給某人sb為人稱代詞時(shí)，要用其賓格形式sb為人稱代詞時(shí)，要用其賓格形式Eg.Myfatherbuysabookforme.=Myfatherbuysmeabook.我爸爸給我買了一本書。Theysellmetwopens.=Theyselltwopenstome.他們賣給我兩支鋼筆?！炯磳W(xué)即用】1.Youcanbuyshoes___B___sports_______only$55.A.for;atB.for;forC.at;forD.on;in2.—Whydoyouwantto___B____yourputerforonly800yuan?—Becauseit’sold.

9.Wesellallourclothesatverygoodprices.我們賣的所有衣服價(jià)格都很優(yōu)惠?！疽谆毂嫖觥縱ery與verymuch兩者都表示“很；非?！保鋮^(qū)別如下：very常用來(lái)修飾形容詞或副詞，位于所修飾詞之前verymuch常用來(lái)修飾動(dòng)詞，多用于句末Eg.Sheplaypingpongverywell.她乒乓球打得很好。（very修飾副詞well）Weloveourcountryverymuch.我們非常愛我們的國(guó)家。（verymuch修飾動(dòng)詞love）【用法講解】重點(diǎn)：price作名詞，意為“價(jià)格”（1）at...prices/ata(n)...price表示“以……的價(jià)格”Eg.Theysellvegetablesatagoodprice.他們以優(yōu)惠的價(jià)格出售蔬菜。（2）thepriceof表示“……的價(jià)格”，其作主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞用單數(shù)形式。Eg.Thepriceoftheshoesis80yuan.這雙鞋的價(jià)格是80元。（3）“What’sthepriceof...?”意為“……多少錢？”，用于詢問(wèn)物品的價(jià)格，相當(dāng)于“Howmuch...?”。無(wú)論被詢問(wèn)的物品是單數(shù)還是復(fù)數(shù)，be動(dòng)詞都用is無(wú)論被詢問(wèn)的物品是單數(shù)還是復(fù)數(shù)，be動(dòng)詞都用isEg.—What’sthepriceofthecoat?（=Howmuchisthecoat?）這件外套多少錢？—（It’s）$20.20美元。（4）修飾price可用high（高的）或low（低的），而不用expensive（昂貴的）或cheap（便宜的）。expensive和cheap的主語(yǔ)是“物”，表示物品貴或便宜。Eg.Thepriceofthiscarisalittlehigh.這輛小汽車的價(jià)格有點(diǎn)高。ThecarisexpensiveandIdon’thaveenoughmoney.這輛車很貴，我沒(méi)有足夠的錢。【巧學(xué)妙記】物品有“貴”（expensive）“賤”（cheap），價(jià)格有“高”（high）“低”（low）。【即學(xué)即用】___B____somegreatsocks________averygoodprice.A.are;forB.are;atC.is;atD.is;for2.Thepriceofthebike___C____2,000yuan.10.Forgirls,wehaveskirtsinpurpleforonly$20.我們有女孩穿的紫色裙子，僅售20美元?！居梅ㄔ斀狻恐R(shí)點(diǎn)1：for的用法forgirls意為“對(duì)于女孩（而言）”，這里的for表示對(duì)象，意為“對(duì)；供”。Eg.Herearesomelettersforyou.這里有一些你的信。foronly$20意為“僅售20美元”，這里的for表示價(jià)格，意為“計(jì)”。Eg.Hatsinallcolorsarefor$5.各種顏色的帽子都賣5美元?！就卣寡由臁縡or的其他常見含義：（1）She’stallforherage.從她這個(gè)年齡看她個(gè)子算是高的。（就……而言）（2）Now,tigersareindanger.Let’sdosomethingforthem.現(xiàn)在，老虎處于危險(xiǎn)之中。咱們?yōu)樗鼈冏鳇c(diǎn)什么吧。（為了）知識(shí)點(diǎn)2：in+顏色可用來(lái)表示某物的顏色或“穿……顏色的衣服”。Eg.Doyouhavethesamepatterninblue?相同款式你有藍(lán)色的嗎？—Whoisthewomaninred?那位穿紅色衣服的女士是誰(shuí)？—SheisourChineseteacher,Ms.Li.她是我們的語(yǔ)文老師，李老師。【即學(xué)即用】1.Bigsale!WehaveTshirt___A____white________only$6.A.in;forB.of;forC.in;atD.at;in課堂小測(cè)一、單項(xiàng)選擇1.Thestoresellssweaters___C____averygoodprice.A.ofB.onC.atD.in2.Thissweateristoolong.Iwanta___B____one.3.Jim___C____apairofshoesandaTshirt.4.Cindybuys___B____skirtforhersister.________skirtissevendollars.A.a;A B.a;TheC.the;A D.the;The5.Apairofsocks___B____$1andthreepairs________only$2.A.is;isB.is;are C.are;are D.are;is6.TheyhaveTshirts___D____greenandblack________only$13.A.at;forB.with;for C.at;of D.in;for7.—___B____isthechicken,please?—Fiveyuanakilo.A.HowmanyB.HowmuchC.Howold D.Howlong8.—Iwantsomeapples.—___C____.Hereitis B.GiveyouC.Hereyouare D.You’rewele9.—Thesweaterisonly19dollars.—___D____.A.Yes,please B.Idon’tlikered C.Thankyou D.OK,I’lltakeit10.Thefruitison___B____.Let’sgoandbuysome.A.time B.sale C.picture D.table11.—Janelikeshanfuverymuch.Iwantto___C____oneforher.’sStore.It________manyhanfu.A.sell;sells B.buy;buys C.buy;sells D.sell;buys12.—Ialwayshaveapplesandvegetablesfordinner.—Oh,youreatinghabitsare___A____healthy. D.verymuch13.—Theblackshoes___D____tendollars,right?—Yeah!Andthatpairofwhiteshoes________tendollars,too.A.is;are B.are;areC.is;is D.are;is14.—You___D____niceinthisyellowTshirt.—Thankyou.___C____isthepriceofthisjacket?100yuan.二、完型填空Theweekendesagain.ZhangLeiis1withhermother.Shewantshermothertobuyanew2forher.Inaclothes3,shefindsanorangeone.Shetriesiton,butitistoo4.Shewantsalargerone.However,thelargeroneisnot5.ZhangLeidoesn'tlikeothercolors.Hermothersays,“Let'sgotoanothershoptohavea6.”Thentheygooutoftheshopand7anotherone.Thisshopisverybigandtherearemany8ofsweaters.ZhangLeilikesanorangeoneandasks,“Howmuchisit？”“600yuan”answerstheshopkeeper.They9itistooexpensiveandtheydon'thavesomuchmoneywiththem.“Wouldyoulikeacheaperone？”theshopkeeperasks.ZhangLei'smotheranswers,“No.Iwill10theorangeonetomorrowbecausemydaughterlikesit.”(D).dancing B.studying C.playing D.shopping(D).book B.Tshirt C.skirt D.sweater(B.desk B.store C.room D.wall(B.large B.small C.cheap D.expensive(A.orange B.white C.yellow D.black(C.party B.drink C.look D.walk(A.gointo B.geton C.goon D.lookinto(B.sets B.kinds C.pairs D.colors(B.talk B.say C.speak D.tell(A)1.buy B.want C.play D.have閱讀理解WeletoSunshineClothingStore!Hi,mygoodfriends.Weletomyclothingstore.Itisopenfrom8：00a．m.to9：00p．m.everyday.Thereareallkindsofclothesforyou.Wehaveskirtsofmanycolorsforgirlsforonly$25.Thereareshirtsforboysinthestore,too.Thereareblueandwhitecolors.Eachisonly$35.AndwealsohavedifferentTshirtsformenandwomen.Tshirtsforwomenareonly$45eachandTshirtsformenare$55each.Ifchildrenetothestorewiththeirparents,wewillgivethemsomechocolateforfree.Tel:3908725Address(地址):No.17SunshineStreet,RedStarDistrict(區(qū))（B）1.Theclothingstoreisopenhoursaday.A.fourteen B.thirteen C.eleven D.ten（C）2.IfMrs.SmithwantstobuyawhiteshirtforhersonandaTshirtforherself,sheshouldpay.A.$100 B.$85 C.$80 D.$65（B）3.Ifyouhave$80,youcanbuy.A.onlyoneskirtB.oneskirtforgirlsandoneTshirtformenC.twoTshirtsforwomenD.twoTshirtsformen（C）4.WhichofthefollowingisNOTtrue?A.Thereisn'tonlyonewaytoknowmorethingsaboutSunshineClothingStore.B.Thereareallkindsofclothesintheclothingstore.C.Everyparentinthestorecangetsomechocolateforfree.D.WecangotoSunshineClothingStoreat3：00p．m.（A）5.Thepassagemaybea.A.poster(海報(bào)) C.dictionary 四、用括號(hào)中所給詞的適當(dāng)形式填空1.Tonywantstoget(get)thejacketonthechair.2.Thispairoftrousersis(be)tooshort.Ineedalongpair.3.Look!Thesearemyfamilyphotos(photo).4.Howmuchis(be)theicecream?5.His(he)Englishbookinonthedesk.五、用適當(dāng)?shù)慕樵~填空1.WeletoMrCool'sClothesStore.2.eandbuyyourclothesonHuaxinggreatsale.3.Doyouneedbagsforsports?4.WehaveTshirtsatagoodprice.5.Wehavemanyjacketsforboys.6.Wehavehatsforonly$15.7.Doyouhaveskirtsinred?8.Havealookatthestore.Theclothesareonsale.六、將下列句子中漢語(yǔ)部分譯成英語(yǔ)，注意使用適當(dāng)?shù)男问?.Ineedtwopairsofwhitesocksformydaughter.（兩雙）2.Theysellallthetrousersatverygoodprices.（以非常優(yōu)惠的價(jià)格）3.Howmuchthispairofshoes?（多少錢）4.Mymotheralwayswearslongskirt.（長(zhǎng)裙）5.Theseshoesareonsaleattheshop.（減價(jià)出售）語(yǔ)法精講語(yǔ)法精講（一）howmuch引導(dǎo)的特殊疑問(wèn)句（詢問(wèn)價(jià)格）1.—Howmuch+is1.—Howmuch+is+單數(shù)名詞/不可數(shù)名詞？—（It’s+）價(jià)格.?—HowmuchisthisTshirt?這件T恤衫多少錢？—（It’s）20yuan.20元。?—Howmuchisthemeat?肉多少錢？—（It’s）35yuan.35元。2.—Howmuch+2.—Howmuch+are+可數(shù)名詞復(fù)數(shù)？—（They’re+）價(jià)格.?—Howmucharethesetrousers?這條褲子多少錢？—（They’re）12dollars.12美元。3.howmuch用來(lái)詢問(wèn)價(jià)格時(shí)，“Howmuchis/are...?”相當(dāng)于“What3.howmuch用來(lái)詢問(wèn)價(jià)格時(shí)，“Howmuchis/are...?”相當(dāng)于“What’sthepriceof...?”?Howmuchare（=What’sthepriceof）thoseapples?那些蘋果多少錢？【拓展延伸】重點(diǎn)：howmuch除了用于詢問(wèn)價(jià)格，還可用于詢問(wèn)不可數(shù)名詞的量。此時(shí)主要與howmany一起進(jìn)行比較學(xué)習(xí)。howmuch后接不可數(shù)名詞，詢問(wèn)不可數(shù)名詞的量Howmuchmilkdoyouhaveforbreakfast?早餐你喝了多少牛奶？howmany后接可數(shù)名詞復(fù)數(shù)，詢問(wèn)可數(shù)名詞的量HowmanygirlsarethereinMary’sclass?瑪麗班里有多少個(gè)女孩？【即學(xué)即用】1.—Howmucharethesestrawberries?—C2dollars.’’reD.Theseare2.—HowmuchDtheTshirt?—28dollars.does;ItB.are;AreC.are;They’reD.is;It’sCmilkdoweneed?Onecup.A.HowlongB.HowmanyC.HowmuchD.Howsoon（二）基數(shù)詞的構(gòu)成和用法一、語(yǔ)法概述數(shù)詞就是表示數(shù)量或順序的詞，可分為基數(shù)詞和序數(shù)詞兩種。表示數(shù)目多少的詞叫基數(shù)詞，如one、two、three等?；鶖?shù)詞可指代或修飾可數(shù)名詞。二、基數(shù)詞的構(gòu)成1one2two3three4four5five6six7seven8eight9nine10ten11eleven12twelve13thirteen14fourteen15fifteen16sixteen17seventeen18eighteen19nineteen20twenty21twentyone30thirty40forty50fifty60sixty70seventy80eighty90ninety100onehundred200twohundred205twohundredandfive326threehundredandtwentysix從one到twelve，拼寫和讀音沒(méi)有什么規(guī)律，應(yīng)逐一記憶。從thirteen到nineteen，表示“十幾”，其后均有后綴teen。要注意thirteen、fifteen和eighteen的拼寫。從twenty到ninety，表示“整幾十”，其后均有后綴ty。但需注意twenty、thirty、forty、fifty、eighty的拼寫。表示“幾十幾”，用“整十?dāng)?shù)+個(gè)位數(shù)”表示，中間用連字符“”把十位數(shù)和個(gè)位數(shù)連接起來(lái)。hundredsof表示“數(shù)以百計(jì)的”，前面不加具體數(shù)詞。表示“幾百”，用“具體數(shù)詞+hundred”，注意hundred后不加s。表示“幾百幾”用“百位數(shù)+hundred+(and+)末（兩）位數(shù)”。hundredsof表示“數(shù)以百計(jì)的”，前面不加具體數(shù)詞。三、基數(shù)詞的用法1.表示數(shù)量，置于名詞之前。Eg.Shehasfivesoccerballs.她有5個(gè)足球。2.表示編號(hào)，置于名詞之后。名詞和基數(shù)詞的首字母通常大寫。Eg.WeareinClassTwo,GradeSeven.我們?cè)谄吣昙?jí)二班。3.表示號(hào)碼。Eg.Mytelephonenumberis158xxxx6697.我的號(hào)碼是158xxxx6697。4.表示年齡。Eg.Iamthirteen(yearsold).我13歲。5.表示時(shí)間。Eg.It’seightfortynow.現(xiàn)在時(shí)八點(diǎn)四十分。6.用于計(jì)算。Eg.Fiveandthreeiseight.五加三等于八。特別提醒特別提醒表示“在幾十年代”或“在某人幾十多歲時(shí)”，要用基數(shù)詞的復(fù)數(shù)形式。?Hewasborninthe1990s.他出生于20世紀(jì)90年代。?TuYouyouwontheNobelPrizeinhereighties.屠呦呦在她80多歲的時(shí)候獲得了諾貝爾獎(jiǎng)。【即學(xué)即用】1.—What’sfiveandfour?—It’sD.A.sixB.sevenC.eight2.—Howmanybooksarethereontheshelf（架子）?—Well.IthinkthereareAbooks.twohundredandfortysixB.twohundredsandfortyC.twohundredsfourteenD.hundredof3.—What’s55inEnglish?—It’sA.A.fiftyfiveB.fiftyandfiveC.fiftyfiveD.fivetyfive4.ElevenandtwelveisC.語(yǔ)法小測(cè)一、單項(xiàng)選擇1.Onebagisfivedollars.Iwanttobuythree,soIneed___A____dollars.2.—HowmuchCtheTshirtandthebag?—46dollars.A.is;It’s B.is;Theyis C.are;Theyare D.are;Theydo3.—Aretheorangesonthetableyours?—Yes,Itake____D___for5yuan.Threeorangesareonlyoneyuan.A.fiftyB.fiveC.fifthD.fifteen4.—Howmucharethesesocks?—___C____.A.Three B.IlikethemC.10yuan D.I’lltakeit5.—___D____aretheorangesonthetable?—Fiveyuanforthree.A.Howold B.Howmany C.Howlong D.Howmuch6.—Howmuch____D___yournotebook