人教版（新目标）七上Units7-9课件 (2).ppt
人教版（新目标）七上Units 7-9,单词1.big _(同义词)_(反义词)2.sell n._ _(反义词)3.two _(序数词)第二的 4.twelve _(序数词）第十二的5.happy n._ _/_(反义词)6.old _/_(反义词)7.Chinese n._中国8.busy n._ _(反义词)9.science n._(科学家)adj._科学的 10.music n._ 音乐家adj._音乐的,large,small,sale,buy,second,twelfth,happiness,sad,unhappy,China,词汇复习,new,young,business,free,scientist,scientific,musician,musical,重点词汇讲练1.sale n.出售；廉价销售on sale(常用于商店)出售；廉价出售for sale(尤指个人所有物)待售；供出售sell v.卖；销售，是sale的动词形式，buy的反义词。sell sb.sth.=sell sth.to sb.把某物卖给某人They want to sell us the car.=They want to sell the car to us.他们想把汽车卖给我们。单项选择Please help me _ the erasers to students.A.sells B.to sell C.buys D.to buy,B,2.buy v.购买；买buy sb.sth.=buy sth.for sb.给某人买某物buy sth from sb./somewhere.从某人/某处买某物单项选择Mary _ a white jacket from Huaxing Clothes Store.A.buys B.helps C.sees D.comes,A,3.happy adj.愉快的；高兴的；满意的Im happy to meet you.见到你我很快乐。在表达祝愿时，可用happy一词。Happy Teachers Day!教师节快乐！单项选择I have a _ family.Were very _.A.interesting;boring B.boring;happy C.happy;happy D.difficult;interesting,C,4.because conj.因为，后常接句子，回答why引导的特殊疑问句。because(因为)和so(所以)不能同时用在一个句子中，二者只能选其一。Why do you want to go to Beijing?你为什么想去北京？Because I want to visit the Great Wall.因为我想去参观长城。because of 因为；由于，是一个短语介词，后接名词或名词短语。He cant go to school because of his leg.由于他的腿他不能去上学。单项选择We dont go to school today _ its Sunday.A.because B.because of C.or D.and,A,5.busy adj.忙的；繁忙的；忙碌的，可作定语和表语。be busy doing sth.忙于做某事Im busy writing to my mother.我在忙着给妈妈写信。be busy with sth.忙于做某事，与be busy doing sth.可互换He is busy with his homework.=He is busy doing his homework 他在忙于做作业。单项选择He cant come to the party because he is very _.A.happy B.funny C.busy D.strict,C,重要句式,1.How much are these socks?how much在这里用来询问物体的价格，回答时用“Its+价钱”或“Theyre+价钱”。例如：这块手表多少钱？100美元。How much is this watch?Its 100 dollars.询问价钱时我们还可以用到以下的句子：Whats the price of.?How much do/does.cost?例如：这件红色的毛衣多少钱？Whats the price of this red sweater?=How much is this red sweater?,2.Can I help you?这是询问别人是否需要服务时的常用语，在不同的场合有不同的翻译。在商店里：您想买什么？在饭店里：您想吃点什么？在图书馆：您要借什么书？在公共场合看见别人有麻烦时：我可以帮你吗？/要我帮忙吗？另外提供帮助的句子还有：May I help you?What can I do for you?不能说“What do you want?”，这样显得很没礼貌。回答时可以用以下的句子：Thank you.I want 谢谢，我想要 Yes,please.Id like 是的，我想 No,thanks.Im just looking around.不，多谢。我只想到处看看。例如：您要买什么？我想买些香蕉。Can I help you?Yes,please.Id like some bananas.您买东西吗？我想买件毛衣。What can I do for you?Thank you.I want a sweater.,3.How old are you?此句的意思是“你多大了？/多大年龄”，how old对年龄提问，回答时常用句型“Im+数词”或“Imyears old”。例如：你的弟弟多大了？How old is your brother?他只有5岁。Hes only five(years old).你多大年龄了？How old are you?这是个秘密。Oh,this is a secret.注意：在讲英语的国家，可以询问孩子的年龄，但对于成年人一般不直接问及年龄，尤其是女士，问女士的年龄被认为是不礼貌的，而且对方也不予回答。,特别提示:old与ageold 与age都表示“年龄”，但二者的词性不同，old为形容词，age是名词。age一般用于疑问句中，回答时常用be+基数词+year/years old。How old are you?=Whats your age?我十五岁了。Im fifteen years old.,思维拓展How 的用法知多少：1.how 多么；怎么 多少美丽的花啊！How beautiful flowers!你妈妈的身体怎么样啊？How is your mother?2.how much/how many 提问数量 我们还有多少牛奶？How much milk do we have?你有多少个足球？How many soccer balls do you have?3.how much 提问价钱这件毛衣多少钱？How much is this sweater?4.how often 多久一次（提问频率）你多久看一次电视？How often do you watch TV?一星期看三次。Three times a week.5.how soon 多快；多久 你多久能回来？How soon will you come back?两天后。In two days,4.Why do you like music?why 是疑问副词，意思是“为什么”，用来询问原因、理由。例如：你为什么想加入英语俱乐部？Why do you want to join the English club?你为什么又迟到了？Why are you late again?以why 引导的特殊疑问句，一般由because引导的句子来回答。because连词，意思是“因为”，用来引出一个原因状语从句。例如：我迟到是因为我的自行车坏了。Im late because my bike is broken.-这个孩子为什么哭？-因为他迷路了。-Why does the boy cry?-Because he is lost.,重点语法：名词所有格,典题精讲,1.The black pants are twenty dollars.(就画线部分提问)the black pants?解析：twenty dollars“二十美元”，表示价格，应用Whats the price of提问。答案：Whats the price of2.There are _ months in a year.The _ month of the year is December.A.twelve;twelve B.twelve;twelfth C.twelfth;twelve D.twelfth;twelfth解析：考查数词。句意：一年12个月。第12个月是十二月。因此第一空用基数词，第二空用序数词。答案：B,3.Whose jacket is this?Is it Mr Wangs?No._ is on the desk.A.Him B.His C.He D.Himself解析：考查物主代词。形容词性的物主代词后面跟名词；名词性的物主代词后面不跟名词。答语中his是一个名词性的物主代词，相当于his jacket，作主语。A、C、D都指人，与文意无关。答案：B,4.This dress looks beautiful on you.How much is it?It _ me more than a thousand yuan.A.spent B.cost C.took D.paid解析：考查“花费”的用法。it指代This dress，是物，故选B。用法是：某物cost sb.钱。“某物花费某人多少钱”。答案：B,Goodbye,
