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1、牛津译林版英语七年级上册Unit6知识点精讲下7AUnit 6知识点梳理（下）讲堂导入1.have a healthy lifestyle2.吃健康的食品3.not often4.在两餐之间5.stong and healthy6.对我的健康有利7.go swimming every week8.需要改变9.be bad for my teeth10.早饭吃面包、喝牛奶11.food and lifestyle12.对我们的牙齿有利处13.half past eight14.我最喜爱的水果15.keep fit/healthy16.每日游泳一小时17.eat fish and rice for
2、 lunch18.下学后感觉饥饿19.have too much sugar20.一周三次21.a basket of tomatoes22.一袋盐23.five bags of rice24.两杯茶25.three kilos of meat26.一周不到三次27.more than eight hours28.吃到更多健康的食品29.what about some bread30.整个上午知识点梳理一词汇&短语：WORDS&PHRASES1. I want to buy an orange.我想买一个橘子。an orange意为“一个橘子”不定冠词an用于读音以原由音素开头的单词前，表示“
3、一个”。读音以辅音音素开头的单词前要用不定冠词a表示“一个”。这里指的是元音音素和辅音音素，不是指字母。an apple一个苹果an egg一个鸡蛋an old man一位老人a desk一张课桌a banana一个香蕉a cake一个蛋糕a tomato一个西红柿【拓展】有些以元音字母开头的单词，其发音的确辅音音素，前面的冠词要用a。a European country一个欧洲国家a useful person一个实用的人有些以辅音字母开头的单词，其发音倒是元音音素，前面的冠词要用an。an honest man一个诚实的人(这里的h不发音)an hour一个小时anf一个fani/m/n/
4、s/x一个i/m/n/s/x以元音字母u开头的单词，有的发元音音素，有的发辅音音素。第1页 / 发元音音素的单词有umbrella, ugly, unkind, unfair, unusual等。an umbrella一把雨伞an ugly man一个丑恶的人an unusual man一个不一样平常的人发辅音音素的单词有：university, useful, useless, usual等。a useful book一本实用的书a university一所大学2. less than3 times a week一周不到三次（1）less than意为“不到，少于”，其反义短语是more t
5、han,意为“多于”，常用于数目、时间、金钱、距离等的比较。你多长时间锻炼一次？一周不到四次。How often do you exercise?Less than four times a week.我每礼拜吃鱼不到两次。I eat fish less than twice a week.每日我读不到一小时的英语。I read English for less than an hour every day.（2）less是little的比较级，意为“更少的，较少的”。我白日喝水少。I drink less water in the day.3. How long do you sleep e
6、very night?你每夜晚睡多长时间？how long意为“多长”，常用来发问时间的长短或物体的长度。你每日练习英语多长时间？How long do you practice English every day?长江有多长，你知道吗？How long is the Changjiang river, do you know?4. What would you like to order, Andy?安迪，你想点什么菜？(1)would you like.?用来礼貌的咨询对方的意向或委宛的提出要求、建议。Would you like与动词之间want同义，但语气比want更委宛、更礼貌。Wo
7、uld you like没有人称和数的变化，必定句中would常在主语后缩写为。d【拓展】would you like sth.想要某物你想要写面包吗？Would you like some bread?would like to do sth.想要做某事第2页你想和我一同去吗？Would you like to go with me?你想要做些什么？What would you like to do?我想喝些水。Id like to have some water.would like sb to do sth.想要某人做某事你想要他去做这项工作吗？Would you like him to
8、 do the work?(2)order是一个多义词，用作及物动词，意为“点菜；命令”；用作名词，意为“订单；次序”。我想点鱼和蔬菜。I would like to order fish and vegetables.我妈妈命令我马上回家。My mother orders me to go home at once.他们有一份要求供给大批电脑的订单。They have a large order for computers.名字是按字母次序摆列的。The names are in alphabetical order.【拓展】in order意为“按次序，挨次”。学生们挨次进入礼堂。The
9、students go into the hall in order.in order to意为“为了”，后跟动词原形。他爸爸为了趁早班车起得很早。His father gets up early in order to catch the early bus.5. Apple juice tastes nice.苹果汁尝起来很好。taste此处用作连系动词，意为“尝起来”，后来往常用形容词作表语。这些肉尝起来很好吃。The meat tastes nice.【拓展】taste还可作及物动词，意为“品味”。第3页这位厨师尝了尝食品，笑了。The cook tastes the food and
10、 smiles.taste还可作名词，意为“滋味”。我喜爱葡萄酒的滋味，喜爱品味不一样的滋味。I like the taste of wine and enjoy trying different kinds.6. She tells seashells by the seashore.她在海边卖贝壳。by the seashore意为“在海边”。by在这里意为“在的旁边”。我坐在窗子旁边。I sit by the window.【拓展】by常实用法概括：by+地址名词，表方向，意为“在旁边”。在湖畔by the lake在河畔by the riverby+时间名词，意为“到时；在以前”。到此
11、刻为止by now在下周五以前by next Fridayby+交通工具、交通方式名词（名词前不加冠词，不用复数），意为“乘坐。”乘火车by train乘坐公共汽车by bus骑自行车by bike7. There are three toy trains in the tree.树上有三辆玩具火车。in the tree意为“在树上”。辨析：in the tree与on the tree两者都可表示“在树上”，但其用法不一样。树上有一只鸟。in the tree不是树上自己长的东西There is a bird in the tree.那个男孩在树上。The boy is in the tr
12、ee.on the tree树上自己生长的果实或树叶等那棵苹果树上有很多的苹果。There are many apples on the apple tree.8. One hundred children have one hundred dreams.一百个孩子有一百个梦想。hundred意为“百”其,前加基数词表示“几百”时，hundred要用单数形式；后与of连用表示约数“数百”时，hundred要用第4页复数形式。我们学校有800名学生。There are eight hundred students in our school.我们校园里有数百棵树。There are hundre
13、ds of trees in our school yard.【拓展】与hundred用法同样的单词还有thousand（千），million（百万）等。此刻我认识2019个英语单词。I know two thousand English words now.数千人正在那个公园里玩。Thousands of people are playing in the park.9. I often play football to keep fit.为了保持健康，我常常踢足球。to keep fit在这里是动词不定式短语作目的状语。动词不定式短语做目的状语时，既能够放在句首，也能够放在句末，常译为“为
14、了。”为了趁早班公共汽车，我常常早起床。I often get up early to catch the early bus.为了保持身体健康，我父亲不得不戒了烟。To keep fit, my father has to give up smoking.10. I also eat baozi or mantou,and I drink a glass of milk.我也吃了包子或馒头，还会喝一杯牛奶。句子中的斜体单词baozi和mantou都是汉语拼音。此刻关于拥有中国特点的传统食品名称，偏向于使用汉语拼音，如：jiaozi饺子，mantou馒头，baozi包子，zongzi粽子等。注
15、意有汉语拼音组成的单词不可以在词尾加-s表示复数。我们说some baozi一些包子，但不可以说some baozis.要点语法一.不定冠词a, an的用法【教材典句】1.An apple a day keeps the doctors away!2.I want to buy a hamburger.3.I want to buy an egg.以上3个句子分别含有不定冠词a或an，此刻我们就一同来学习一下他的用法。【语法全解】第5页不定冠词a，an用于单数可数名词前，表示泛指，说明其名称或种类，有“一个（件）的意思。”1.当第一次提到某人或某物时，用a, an起介绍作用。这是什么？这是一辆小汽车。Whats this?Its a car.2.泛指某一类人或某一类事物中的一个。你最喜爱哪一个，马、绵羊仍是老虎？Which do you like best, horse, a sheep or a tiger?3.代表某类人或物。马
