1、精選優(yōu)質(zhì)文檔-傾情為你奉上7B Unit 5 Water重點單詞：專心-專注-專業(yè)Drop n.滴 ，v.落下Journey n.旅程Quantity 數(shù)量Quality質(zhì)量Experiment n.實驗Fresh adj.新鮮的Salt 鹽Voice 聲音Add 增加Chemical 化學(xué)制品Through 穿過，通過Pipe 管，煙斗Valuable adj.寶貴的，很有用Bit 少量Bank 銀行Change 不可數(shù)n. 找給的Return 歸還，回到Vapour 蒸汽Form 形成Stir 攪拌Continue 繼續(xù)Crystal 水晶，結(jié)晶 reservoir蓄水池重點短語：turn

2、 off 關(guān)閉Turn into （使）變成Add.to.把···加入a bit 有點兒（要加上of才可以修飾不可數(shù)名詞）part of 部分pocket money 零花錢(be) made up of 由··組成dry up干涸 重點句型：1. Then it was time for sb. to .到了做某事的時候了(page59)2. Remember not to.3. How much water is there.?4. How much bottles of water are there.?詳細講解：1.Listen to

3、a story about the journey of a coin.(page57)journey 指從一個地方出發(fā)直達目的的長途旅行He decided to make a journey to Guangzhou.trip指休閑或商業(yè)目的的短途旅行He went on a business 無直達目的之意，指不同方向的旅行He came home after years of foreign travel.2. when you exercise,you need more water.(page58)Exercise為不及物動詞，是“鍛煉”的意思。 可數(shù)名詞：練

4、習(xí)，體操 不可數(shù)名詞：鍛煉，運動3. two thirds.三分之二(page58)英語中的分數(shù)表示：分子用基數(shù)詞，分母用序數(shù)詞。分子大于1時，分母要用復(fù)數(shù)形式。拓展：四分之幾一般用quarter表示，二分之一用half表示。 如：四分之一：a quarter 四分之三：three quarters4. 倍數(shù)的表達分數(shù)：（page68）twice（1） A+be+倍數(shù)+as+形容詞原級+as B 如：my pens are three times as many as yours。我的筆是你的三倍（2） A+be+倍數(shù)+形容詞比較級+than B如：my my pens are twice t

5、han yours。我的筆比你的多兩倍5. 表示every“每隔···”的表達方法：（1） every+基數(shù)詞+復(fù)數(shù)名詞：every four years每四年（2） every+序數(shù)詞+單數(shù)名詞 every fourth year每隔三年（3）每隔一··： every other +單數(shù)名詞 every other line 每隔一行6.辨析through、over、across三者都有“穿過的”意思over是從物體表面上方經(jīng)過，不與物體接觸 例如：The bird flew over the river。鳥從河水表面飛過throngh是從物

6、體中穿過， 例如：The elephant can't go through the gate.這頭象不能從門里穿過。across從物體表面經(jīng)過并且有接觸 例如：The car is going across the brige 汽車正從橋上經(jīng)過7.So is this the end of your journey？那么這里是你旅程的終點嗎？end n.末尾，結(jié)局At the end of在···后期/末端At the end of the street，you can see ahotel。By the end of到在··

7、3;結(jié)束（表示時間概念）He came back by the end of the meeting。In the end最后，終于 at last，finally。In the end，we got to the small city。8.We use how many how much to ask about quantities. use “用” use sth to do sth.用某物做某事 人+be used to doing sth.某人習(xí)慣做某事 物+be used to do sth. 某物被用于做某事 如：wood is used to make paper。9. Fix

8、 a dripping tap。修理滴水的水龍頭。（page68）（1） drip指水滴，只能用于液體。 Drop不管是做動詞還是名詞，都有滴下、落下的意思，可以使任何物體，不限于液體。 還有一個長得很像的伙伴：droop，指把腦袋低垂下來，一不小心丟了一個o，就把腦袋混丟了：He drooped his head in shyness. （害羞了把頭低下了）（2）fix=repair修道路，機器，以及日常生活用品，如手表，自行車My father is good at fixing broken watches。mend修補破損的東西，使其恢復(fù)原樣，（包括用針線縫補），一般指較小的物品Mum

9、，can you help me mend my socks？ 重點語法：如何談?wù)摂?shù)量我們可以用（not)much, many, a lot of, how much, how many等詞來談?wù)摂?shù)量，下面讓我們一起來學(xué)習(xí)他們的用法。1、 many, much與a lot of (lots of)many, much與a lot of (lots of)三者意義相同，都有許多之意，many修飾可數(shù)名詞復(fù)數(shù)形式；much修飾不可數(shù)名詞；a lot of (lots of)既可以修飾可數(shù)名詞復(fù)數(shù)形式；也可以修飾不可數(shù)名詞。There are many students in his school.

10、=There are a lot of /lots of students in his school.I need much / a lot of time to check the answers.2、 a few和a littlea few意為“幾個”，a little意為“一點兒”a few修飾可數(shù)名詞復(fù)數(shù)形式；a little修飾不可數(shù)名詞. a few 和a little都表示肯定意義。I need a few apples and a little green tea.There are a few bananas and a little bread on the table.

11、注意：few 意為“很少”，little 意為“幾乎沒有”，few修飾可數(shù)名詞復(fù)數(shù)形式；little修飾不可數(shù)名詞. few 和little 均表示否定含義。There is little water in the glass.Few students take the taxi to school at Green High School.3、 how many 和how much兩者都表示多少之意，都用于詢問數(shù)量。how many 后接可數(shù)名詞的復(fù)數(shù)形式，how much后接不可數(shù)名詞。How many students are there in yours class?How much

12、milk do you need?注意：how much 還可以詢問物品的價格。How much is this sweater?4、 too many 和too muchtoo many 和too much均為太多之意，too much修飾不可數(shù)名詞，too many修飾可數(shù)名詞復(fù)數(shù)形式。There is too much smoke in the room.There are too many rules in our school.注意：much too用作副詞，意為“太”，修飾形容詞或副詞。Your room is much too dirty.5、 too little, too f

13、ew, not much, not many, no和enoughtoo little意為“太少”， 修飾不可數(shù)名詞；too few意為“太少”，修飾可數(shù)名詞復(fù)數(shù)形式；not much意為“幾乎沒有”修飾不可數(shù)名詞；not many意為"沒多少“修飾可數(shù)名詞復(fù)數(shù)形式;no意為”沒有“，修飾可數(shù)或不可數(shù)名詞;enough意為"足夠的"，修飾可數(shù)或不可數(shù)名詞。練習(xí)：用所給單詞的適當形式填空 1 Can these children look after _ when their parents are not at home. ( them ) 2 Water is

14、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 3of the water on Earth is without _( salty ) 單項選擇 1

15、. Will you go for a walk after _ dinner ? a. a b. an c. the d. / 2. 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. me b. I c. him d. he 3. My cousin is always busy with his work, He has _ time to read newspaper .

16、 a. little b. few c. a little d. a few 4. There is _ sugar in my coffee. Its too sweet . a. too much b. too many c. too few d. too little 5. Alice looked _the room, but saw no one . a. around b. for c. at d. up 6. Ben:What did Peter drop _ the river ? Alice:Maybe a stone. a. in b. into c. on d. onto

17、 7. Its time _ all of us to get ready for the quiz. a. to b. of c. for d. at 8. There _ twenty attendants at the contest tomorrow . a. are b. have c. will have d. will be 9. We should _ the used water clean before it goes back into the sea . a. keep b. make c. become d. turn 10. After I had a bath i

18、n the bathroom this morning, I _ the tap on, This makes the bathroom full of water. a. left b. forgot c. turned d. switched 11. We all should remember _ water. a. to waste b. wasting c. not wasting d. not to waste 12. If you _ some salt to a glass of water, it _and become part of the water. a. add. Disappear b. add.will disappear c. will add.disappear d. will add. Will disappear 13. When I was in Italy last year, I _ a lot of famous cities . a. visit b. visited c. visits d. am visiting 14. A reservoir is