Unit7 重点知识复习课件 人教版英语七年级上册.pptx

人教版英语七年级上单元重点知识复习课件Unit 7 How much are these socks?much/mt/pron.&adj.许多;大量;多少How much.?(购物时).多少钱?sock/sk/n.短袜T-shirt/ti:t/n.T恤衫shorts/:ts/n.(pl.)短裤sweater/swet/n.毛衣trousers/trauzz/n.(pl.)shoe/u:/n.鞋skirt/sk:t/n.裙子dollar/dl/n.元(美国的货币符号为$)big/big/adj.大的;大号的基础夯实small/sm:l/adj.小的;小号的short/:t/adj.短的;矮的long/l:/adj.长的woman/wumn/n.女子Can I help you?我能帮您吗?need/ni:d/v.需要look/luk/v.看;看上去pair/pe/n.一双;一对take/teik/v.买下;拿;取Here you are.给你ten/ten/num.十【重点单词短语过关】读一读 背一背thirteen/:ti:n/num.十三fifteen/fifti:n/num.十五eighteen/eiti:n/num.十八twenty/twenti/num.二十thirty/:ti/num.三十Mr./mist/先生clothes/kluz/n.(pl.)衣服;服装store/st:/n.商店buy/bai/v.购买;买sale/seil/n.特价销售;出售very/veri/adv.很;非常price/prais/n.价格boy/bi/n.男孩eleven/ilevn/num.十一twelve/twelv/num.十二sell/sel/v.出售;销售;卖all/:l/adj.所有的;全部的seven dollars 七美元white bag 白色的包 clothes store 服装店at very good prices 以很低的价格 for boys 对于男孩子【重点单词短语过关】读一读 背一背skirts inred 红色的裙子 twenty-eight dollars 28美元Big Sale!大降价!twenty yuan 二十元a pair ofblack shoes 一双黑色的鞋子【重点单词短语过关】读一读 背一背How much is the hat?这顶帽子多少钱?Its five dollars.5美元。

How much are these socks?这双短袜多少钱?Theyre two dollars.两美元Can I help you?我能帮您吗?Yes,please.好的Here you are.给你Ill take it.我买了Thank you.谢谢Youre welcome.不用谢单元目标语句回顾】读一读 练一练单词和短语精讲1.much的用法much主要用作形容词和副词1)用作形容词的基本意思是“许多的”,常后接不可数名词例句：How much money can I afford?我能出得起多少钱？(2)用作副词主要表示“程度”,意为“非常,很,大大,更加,如何”,多修饰动词,也常修饰形容词或副词的比较级或最高级和分词一般用于疑问句或否定句much修饰比较级，“much+比较级”的意思是“更”“得多”如：Its much colder today than it was yesterday.今天比昨天冷得多much修饰最高级，修饰最高级应置于最高级前的定冠词之前，而不是之后much+the+最高级”的意思是“最最”、“绝对是最”如：This is much the most difficult.这是最最难的。

much修饰形容词的原级，修饰形容词原级的情形主要见于那些由过去分词转化来的形容词如：I was much annoyed.我很不高兴单词和短语精讲2.need的用法1)need作情态动词的用法：need用作情态动词时表“必须,必要”的意思，后直接跟动词原型，且need无人称、数的变化（第三人称单数不加s），也没有非谓语形式（不定式、分词）注意】:need用作情态动词时常用于否定句和疑问句中例句：Need he bring his laptop tomorrow?明天他必须带他的笔记本过来吗？Come on,you neednt worry about it becuse its not your fault.行啦，你不必担心的因为那不是你的错She neednt have arrived so early,need she?她本不必到得这么早，不是吗？【注意】:must引导的一般疑问句的否定回答必须使用neednt例如：-Must I leave?我必须离开吗？-No,you neednt.不，你不必离开单词和短语精讲(2)need作实意动词的用法：need+something 需要某物例：I need some fruits to eat.我需要些水果来吃。

need to do something 需要做某事例：You dont need to have the bike repaired right away.你不必马上去修车need doing=need to be done 需要例：The room needs cleaning=The room needs to be cleaned.房间需要打扫了need somebody to do something 需要某人做某事例：I need someone to help me out of this problem.我需要找人来帮助我解决这个问题单词和短语精讲(3)need作名词的用法：need用作名词时，既可以是可数名词，也可以是不可数名词主要常用句型如下：(Theres)no need to do something 没必要做某事 例：Theres no need to cover such a long distance.没必要走那么远的距离Theres no need for me to break the window because I have the key.我没必要打破窗户因为我有钥匙。

No need to run since were not pressed for time.不必跑啦，我们 又不赶时间也可以单独使用：Theres no need.意思是“没有必要”in(great)need of（非常）需要例：The rescue team is in great need of medicine.救援小组非常需要药品if need be 如果需要的话例：If need be,Im going to do you a favor.如果需要的话我会帮你的3.look的用法(1)几个与看相关的词look,see,watch,observe,glance look侧重“看”的动作，单独是不及物动词，look at 后可解宾语see指看见(一般用来叙述看见的结果)watch指用眼睛跟随某物，以便对每一个变化、运动等进行观察(重点在仔细观察)observe侧重以客观的态度进行观察(这个可以表示观察事情事物等等)glance指匆忙地看一眼，也指粗略地、随便看看、暗暗地看例句：Look!Theres grandma.瞧！奶奶在那里 I can see you!“我能看到你！”He spent the entire afternoon watching a cricket match.他整个下午都在看一场板球比赛。

The role of scientists is to observe and describe the world,not to try to control it.科学家的任务是观察和描述这个世界，而不是试图控制它On the bus I always manage to glance at the headline in the newspaper.在公共汽车上我总能设法匆匆看一眼报纸大标题单词和短语精讲(2)look作为系动词用，意为“看起来”，后跟形容词例如:You look well/fine/healthy.你看起来很健康The teacher looks happy.老师看上去很高兴She looks pale.她面色苍白拓展】look at 看着;看;看望;看待 look in 拜访：进行短暂访问：把注意力转向look for 寻找；希望得到 look on 在一旁观看，袖手旁观；把眼光投向(某物或某人)look out of 向/朝.看 look out for 小心；搜寻(某人或某物);试图得到(某物)look oneself 显得健康或情绪正常 look to 依靠指望(某人或某事)look after 照看，照料 look around 四下环顾：到处寻找单词和短语精讲4.help的用法(1)help 当动词用时，是指“帮助、帮忙”的意思，主要句型有：help sb.(to)do sth.帮助某人做某事。

其中的to通常是省略的Can you help me to learn English?你能帮助我学英语吗？help sb.with sth 帮助某人做某事，Can you help him with this work?你能帮助他完成这项工作吗？be of some/no/much help to sb.对某人有些/没有/很有帮助This book is of great help to me.这本书对我很有帮助help oneself（to）自用（食物等）Help yourself to the fish.请随便吃鱼cant help but是指控制不住、忍不住的意思He cant help but dance when he hears that song!当他听到那首歌时，他忍不住跳舞!单词和短语精讲cant help doing sth.“忍不住做”Kate couldnt help crying when she won the match.凯特赢得了比赛后，忍不住哭了help to do sth.有助于做某事his program helps to improve our English.这个计划有助于我们提高英语成绩。

2)作名词，意为“帮助”是不可数名词Tony needs some help.托尼需要一些帮助单词和短语精讲5.buy的用法做及物动词，意为“买，购买”，后接名词或代词做宾语buy的常用句型：buy sth at+商店（在某商店买某物）He bought a table at that store.他在那个商店买了一张桌子buy sb.sth（给某人买某物）My husband bought me a new coat.我丈夫给我买了一件新外套buy sth for sb.（为某人买某物）但不能这样搭配：buy sth to sb.Her mother bought a new book for her.她妈妈给她买了一本新书buy sth for/at+钱（花多少钱买）How much would you spend to buy a new car?你会用多少钱买一辆车？buy sth from/off/of（从某处买某物）He bought the house from his friend.他从朋友那买下了这套房子单词和短语精讲单词和短语精讲6.sell的用法sell及物动词，意为“出售;销售;卖”固定搭配：sell sb sth=sell sth to sb 意为“卖某物给某人”例句：They are going tosell me their books.=They are going 。