7Bunit5最新广州、深圳沪教版牛津英语七年级下册教案

  • 格式:doc
  • 大小:59.50 KB
  • 文档页数:5

7B Unit 5 Water 重点单词:Drop n.滴,v.落下Journey n.旅程Quantity 数量Quality质量Experiment n.实验Fresh adj.新鲜的Salt 盐V oice 声音Add 增加Chemical 化学制品Through 穿过,通过Pipe 管,烟斗Valuable adj.宝贵的,很有用Bit 少量Bank 银行Change 不可数n. 找给的Return 归还,回到Vapour 蒸汽Form 形成Stir 搅拌Continue 继续Crystal 水晶,结晶reservoir蓄水池重点短语:turn off 关闭Turn into (使)变成Add...to...把···加入a bit 有点儿(要加上of才可以修饰不可数名词)part of 部分pocket money 零花钱(be) made up of 由··组成dry up干涸重点句型:1.Then it was time for sb. to ...到了做某事的时候了(page59)2.Remember not to...3.How much water is there...?4.How much bottles of water are there...?详细讲解:2.when you exercise,you need more water.(page58)Exercise①为不及物动词,是“锻炼”的意思。

②可数名词:练习,体操③不可数名词:锻炼,运动3.two thirds.三分之二(page58)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 quarters4.倍数的表达分数:(page68)twice(1)A+be+倍数+as+形容词原级+as B如:my pens are three times as many as yours。

我的笔是你的三倍(2)A+be+倍数+形容词比较级+than B如:my my pens are twice than yours。

我的笔比你的多两倍5.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)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6.辨析through、over、across三者都有“穿过的”意思①over是从物体表面上方经过,不与物体接触例如:The bird flew over the river。

鸟从河水表面飞过②throngh是从物体中穿过,例如:The elephant can't go through the gate.这头象不能从门里穿过。

③across从物体表面经过并且有接触例如:The car is going across the brige 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?use “用”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 paper。

9.Fix a dripping tap。

修理滴水的水龙头。

(page68)(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,一不小心丢了一个o,就把脑袋混丢了:He drooped his head in shyness.(害羞了把头低下了)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与a lot of (lots of)三者意义相同,都有许多之意,many修饰可数名词复数形式;much修饰不可数名词;a lot of (lots of)既可以修饰可数名词复数形式;也可以修饰不可数名词。

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”,a little意为“一点儿”a few修饰可数名词复数形式;a little修饰不可数名词. a few 和a little都表示肯定意义。

I need a few apples and a little green tea.There are a few bananas and a little bread on the table.注意:few 意为“很少”,little 意为“几乎没有”,few修饰可数名词复数形式;little修饰不可数名词. few 和little 均表示否定含义。

There is little water in the glass.Few students take the taxi to school at Green High 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后接不可数名词。

How many students are there in yours class?How much milk do you need?注意: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修饰不可数名词,too many修饰可数名词复数形式。

There is too much smoke in the room.There are too many rules in our school.注意: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”,修饰不可数名词;too few意为“太少”,修饰可数名词复数形式;not much意为“几乎没有”修饰不可数名词;not many意为"没多少“修饰可数名词复数形式;no意为”没有“,修饰可数或不可数名词;enough意为"足够的",修饰可数或不可数名词。

练习:用所给单词的适当形式填空1 Can these children look after ___________ when their parents are not at home. ( them )2 Water is a ___________ resource, so we cannot waste it. ( value )3 Trees can produce a ______________ to make their leaves taste nasty when insects want to eat them. ( chemistry )4 We should never _____________ water because it is not easy for it to come to our flats. ( pollution )5 About 3%of the water on Earth is without ____________( salty )单项选择1. Will you go for a walk after _________ dinner ?a. ab. anc. thed. /2. —Carl, why not go and help your sister water the flowers there ?—Why ________ ? I’m busy myself. Jack is lying on the grass doing something.a. meb. Ic. himd. he3. My cousin is always busy with his work, He has ________ time to read newspaper .a. littleb. fewc. a littled. a few4. There is ________ sugar in my coffee. It’s too sweet .a. too muchb. too manyc. too fewd. too little5. Alice looked ______the room, but saw no one .a. aroundb. forc. atd. up6. Ben:What did Peter drop _________ the river ? Alice:Maybe a stone.a. inb. intoc. ond. onto7. It’s time ________ all of us to get ready for the quiz.a. tob. ofc. ford. at8. There ___________ twenty attendants at the contest tomorrow .a. areb. havec. will haved. will be9. We should __________ the used water clean before it goes back into the sea .a. keepb. makec. becomed. turn10. After I had a bath in the bathroom this morning, I _______ the tap on, This makes the bathroom full of water.a. leftb. forgotc. turnedd. switched11. W e all should remember ________ water.a. to wasteb. wastingc. not wastingd. not to waste12. If you ________ some salt to a glass of water, it _______and become part of the water.a. add...... Disappearb. add......will disappearc. will add.......disappear d. will add....... Will disappear13. When I was in Italy last year, I ________ a lot of famous cities .a. visitb. visitedc. visitsd. am visiting14. A 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。