7Bunit5广州、深圳沪教版牛津英语七年级下册教案.docx

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1、7B Unit5 Water重点单词:Drop n.滴,v.落下 Journey n.旅程 Quantity 数量 Quality 质量 Experiment n.试验 Fresh adj.颖的 Salt 盐Voice声音 Add增加Vapour蒸汽Form形成Stir搅拌Continue 连续Crystal水晶，结晶 reservoir蓄水池part of局部pocket money 零花钱(be) made up of 由组成 dry up枯槁Chemical化学制品Through穿过,通过Pipe管，烟斗Valuable adj.贵重的，很有用Bit少量Bank银行Change不行数n.

2、找给的Return归还，回到重点短语：turn off 关闭Turn into 使)变成Addto把参加a bit有点儿(要加上of才可以修饰不行数 名词)重点句型：1 . Then it was time for sb. to 到了 做某事的时候了(59)2 . Remember not to.3 . How much water is there.?4 . How much bottles of water are there.?具体讲解：1.Listen to a story about the journey of a coin.(57)journey指从一个地方动身直达目的的长途旅

3、行He decided to make a journey to Guangzhou.trip指休闲或商业目的的短途旅行He went on a business trip.travel无直达目的之意，指不同方向的旅行He came home after years of foreign travel.5 .when you exercise,you need more water.(58)Exercise为不及物动词，是“熬炼”的意思。可数名词：练习，体操不行数名词：熬炼，运动6 .two thirds.三分之二(58)英语中的分数表示：分子用基数词，分母用序数词。分子大于1时，分母要用复数

4、形式。拓展：四分之几一般用quarter表示，二分之一用half表示。如： 四分之一：a quarter四分之三：three quarters7 .倍数的表达分数：(68) twice(1) A+be+倍数+as+形容词原级+as B如：my pens are three times as many as yourso 我的笔是你的三倍(2) A+be+倍数+形容词比拟级+than B如：my my pens are twice than yourso我的笔比你的多两倍8 .表示every “每隔”的表达方法：(1) every+基数词+复数名词：every four years每四年(2)

5、every+序数词+单数名词every fourth year每隔三年(3)每隔一 ： every other +单数名词 every other line 每隔一行9 .辨析 through over、across三者都有“穿过的”意思。ver是从物体外表上方经过，不与物体接触例如：The bird flew over the rivero鸟从河水外表飞过throngh是从物体中穿过，例如：The elephant carTt go through the gate.这头象不能从门里穿过。across从物体外表经过并且有接触例如：The car is going across the bri

6、ge汽车正从桥上经过7.So is this the end of your journey?那么这里是你旅程的终点吗? end n.末尾，结局8.We use how many how much to ask about quantities.At the end of在后期/末端At the end of the street, you can see ahoteloBy the end of到在完毕表示时间概念)He came back by the end of the meetingoIn the end最终，最终 at last, finallyoIn the end, we go

7、t to the small city。use期 use sth to do sth用某物做某事人+be used to doing sth.某人习惯做某事物+be used to do sth.某物被用于做某事 如：wood is used to make papero10 Fix a dripping tap。修理滴水的水龙头。(68)(1) drip指水滴，只能用于液体。Drop不管是做动词还是名词，都有滴下、落下的意思，可以使任何物体，不限于液体。还 有一个长得很像的伙伴：droop,指把脑袋低垂下来，一不留神丢了一个。，就把脑袋混丢了 ： He drooped h i s head

8、i n shyness.大方 了把头低下了 fix二repair修道路，机器，以及日常生活 用品，如手表，自行车My father is good at fixing broken watchesomend修补破损的东西，使其恢复原样，(包括 用针线补缀)，一般指较小的物品Mum, can you help me mend my socks?重点语法：如何谈论数量我们可以用not)much, many, a lot of, how much, how many等词来谈论数量，下面让我们一 起来学习他们的用法。一、many, much 与 a lot of (lots of)many, much

9、与a lot of (lots of)三者意义一样，都有很多之意，many修饰可数名词复数形式; much修饰不行数名词；a lot of (lots of)既可以修饰可数名词复数形式；也可以修饰不行数名 卬。There are many students in his school.=There are a lot of /lots of students in his school.I need much / a lot of time to check the answers.二、a few 和 a littlea few意为“几个，alittle意为“一点儿” a few修饰可数名词复

10、数形式；alittle修饰不行数 名词.a few和a little都表示确定意义。I need a few apples and a little green tea.There are a few bananas and a little bread on the table.留意：few意为“很少”，little意为“几乎没有”，few修饰可数名词复数形式；little修饰 不行数名词.few和little均表示否认含义。There is little water in the glass.Few students take the taxi to school at Green Hig

11、h School.三、how many 和 how much两者都表示多少之意，都用于询问数量。how many后接可数名词的复数形式，how much 后接不行数名词。How many students are there in yours class?How much milk do you need?留意：how much还可以询问物品的价格。How much is this sweater?四、too many 和 too muchtoo many和too much均为太多之意，too much修饰不行数名词，too many修饰可数名词复 数形式。There is too much

12、smoke in the room.There are too many rules in our school.留意：much too用作副词，意为“太”，修饰形容词或副词。Your room is much too dirty.五、too little, too few, not much, not many, no和 enoughtoo little意为“太少”，修饰不行数名词；too few意为“太少”，修饰可数名词复数形式； not much意为“几乎没有”修饰不行数名词；not many意为“没多少”修饰可数名词复数形 式;n。意为没有“，修饰可数或不行数名词;enough意为“足

13、够的“，修饰可数或不行数名词。练习：用所给单词的适当形式填空Can these children look after when their parents are not at home. (them )1 Water is a resource, so we cannot waste it. ( value )Trees can produce a to make their leaves taste nasty when insects want to eatthem. (chemistry )We should never water because it is not easy fo

14、r it to come to our flats,(pollution )About % of the water on Earth is without( salty )单项选择Will you go for a walk after dinner ?a. ab. anc. thed./一Carl, why not go and help your sister water the flowers there ?Why? Im busy myself. Jack is lying on the grass doing something.a. meb. Ic. himd. heMy cou

15、sin is always busy with his work, He has time to read newspaper .a. littleb. fewc. a littled. a fewThere is sugarin my coffee. Its too sweet.a. too muchb. too many c. too fewd.toolittleAlice looked the room, but saw no one .a. aroundb. forc. atd. upBen:What did Peter drop the river ? Alice:Maybe a s

16、tone.a. inb. intoc. ond. onto7 Its time all of us to get ready for the quiz.a. tob. ofc. ford. atThere twenty attendants at the contest tomorrow .a. areb. havec. will haved. will beWe should the used water clean before it goes back into the sea .a. keepb. makec. becomed. turnAfter I had a bath in th

17、e bathroom this morning, I the tap on, This makes thebathroom full of water.a. leftb. forgotc. turnedd. switchedW all should remember. water a. to waste b. wastingc. not wastingd. not to waste8. If you some salt to a glass of water, it and become part of the water.a. addDisappearb. addwill disappear

18、c. will adddisappeard. will addWill disappearWhen I was in Italy last year, I a lot of famous cities .a. visitb. visitedc. visitsd. am visitingA reservoir is.a. a place where people make clean waterb. a place where people keep river water to be used laterc. a place where people produce tap water for family used. a place where people make water dirty15.is called the Floating City in the world .a. New Yorkb. Parisc. Kun Mingd. Venice