初中英语沪教牛津版（2024）七年级下册Module3 Natural elementsUnit 5 Water完美版ppt课件

这是一份初中英语沪教牛津版（2024）七年级下册Module3 Natural elementsUnit 5 Water完美版ppt课件，共24页。
Getting ready
I am ne f the natural elements(元素). I have n clur,I have n smell,I have n taste,I have n shape,I am very valuable,Flwers and trees need me,Yu need t drink me every day.
Right! I’m water!
A What d yu knw abut …?
Hw much d yu knw abut water? Try this shrt quiz belw. Circle the crrect answer.1. Yu can live withut water fr a few . a. hurs b. days c. weeks2. When yu exercise, yu need ____ water. a. mre b. less c. n3. Water cvers abut ____ f the Earth. a. ne third b. ne half c. tw thirds4. Abut ____ f the water n Earth is “fresh” r withut salt. a. 3% b. 10% c. 20%
Water n Earth
Water cvers 70 percent (百分之……) f Earth’s surface (表面). There is a lt f water n Earth, but 97 percent is frm the sea. We can’t drink it because it’s t salty. Abut 2 percent f water is in icecaps (冰盖) and icebergs (冰山). Peple can nly use 1 percent f the wrld’s water.
A.It runs int rises frm the sea t the runs int the falls as rain falls frm the cluds as rain.
B Befre yu read
B1 Lk at the picture belw and put the fllwingsentences in the crrect rder. Write the numbers 1-5 in the bxes.
First Reading
WATER TALKS
Read the text. Get the main idea f the text.
a.Dra turned ff the tap and went ut f the bathrm._____b.The drp f water tells Dra that it will g back int the sea again. It als reminds her that water is valuable. _____c.The drp f water tells Dra abut its lng jurney frm the clud t the tap. _____d.The drp f water tells Dra t turn the tap ff._____e.Dra is brushing her teeth with the tap n. _____
I. Read after the tape, and rearrange the fllwing sentences.
Hw many questins are there in the passage?What are they?And try t find ut the answers.
A drp f water.
frm the tap?
the end f yur jurney
g int a river
int the sea
1. Wh des the drp f water talk t? Dra. 2. What des the drp f water ask the girl t d? Why? The drp f water asks Dra t turn the tap ff. Because water is valuable.3. What des the drp f water mainly talk abut? Hw water in the sea cmes int ur hme.
II. Answer the fllwing questins.
Can yu tell us why water is valuable?
Pssible answerI think water is valuable because it takes time and hard wrk/difficulty fr water t travel frm its natural surces t ur hmes. Besides, there is nt enugh fresh water（淡水） fr peple and animals in the wrld.
WAYS TO SAVE WATER
Can yu think f ways t save water?Share yur ideas!
Let’s underline sme phrases and sentences
1. 三分之一 ne third2. 二分之一 ne half3. 三分之二 tw thirds4. 水龙头正开着。 The tap was n.5. 把那水龙头关掉 turn that tap ff6. 一滴水 a drp f water7. 你知道我从哪里来吗？ D yu knw where I cme frm?
分数的表达：分子用基数词，分母用序数词。分子大于1时， 分母加复数。固定表达：ne half / a half ne quarter / a quarter
turn n / ff 开/ 关（电器，水龙头）turn 名词 ff = turn ff 名词turn 代词 ff
knw + where引导的宾语从句（主谓顺序）
8. 几天前 a few days ag9. 掉进河里 drp int a river10. 然后就到了人们清洁我的时候了。 Then it was time fr peple t clean me.11. 给我添加一些化学品 add sme chemicals t me12. 流经管道 travel thrugh the pipes13. 你旅程的终点 the end f yur jurney14. 再一次把我弄干净 make me clean again15. 记住不用浪费我或者污染我。 Remember nt t waste r pllute me.16. 走出洗手间 cme ut f the bathrm
It is time fr sb. t d sth. 是时候……It is time fr sth. It is time t d sth.
add…t 把……加入……
make sb. / sth. adj. 使某人或某物怎么样
remember t d sth. 记得要做某事remember nt t d sth. 记得不要做某事
C1 Circle the crrect answers t cmplete these sentences.
leave sth. n 让某物（电器，水龙头）开着（而不去管它）
tell sb. t d sth. 叫某人做某事
The water cycle
The map belw shws the water’s jurney. Write the names f the different places n the map with the wrds frm the bx.
travelled thrugh
will g int
cleaned… added… t
will make me clean
write these phrases n the map
Describe the jurney like this: A few days ag, I was in a clud…
starts there
is valuable
Cmprehensin
D3 D yu think water is valuable? Why?