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初中英语沪教牛津版（2024）七年级上册（2024）Unit 4 The Earth一等奖课件ppt
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这是一份初中英语沪教牛津版（2024）七年级上册（2024）Unit 4 The Earth一等奖课件ppt，文件包含Unit4TheEarthSpeaking课件音频pptx、U4Speakingmp3等2份课件配套教学资源，其中PPT共26页， 欢迎下载使用。
New wrds and phrases
1. *chemical2. grundwater3. burn4. il5. gas6. harmful7. cut dwn
n. 化学制品；化学品 p. 59n. 地下水 p. 59v. 燃烧；烧 p. 59n. 石油；原油 p. 59n. 天然气 p. 59adj. 有害的 p. 59砍倒 p. 59
Enjy the vide f “Angry Earth” and find ut what prblems are shwn in the vide.
What prblems is the Earth facing?
defrestatin: cutting dwn t many trees/frests
verfishing, hunting and killing wild animals
air pllutin
plastic pllutin
Talking abut the prblems the Earth is facing
While-learning
What prblem is the Earth facing?
Cause: ___________________ ___________________Result: ___________________ ___________________
Peple catch a lt f fish
There are fewer and fewer fish in the sea each year.
Lk at the phts belw. Wrk in pairs and take turns asking and answering questins abut the prblems the Earth is facing.
farm chemicals农用化学品
Peple use a lt f dangerus farm chemicals
There is less and less clean grundwater
S1: What prblem is the Earth facing?S2: Peple catch a lt f fish. There are fewer and fewer fish in the sea each year.S2: What prblem is the Earth facing?S1: Peple use a lt f dangerus farm chemicals. There is less and less clean grundwater.
Nw it’s yur turns. Yu can fllw the examples:
burn il and gas t make energy, mre and mre harmful gases
cut dwn trees, build farms, less and less frest land
S1: What prblem is the Earth facing?S2: Peple catch a lt f fish. There are fewer and fewer fish in the sea each year.S2: What prblem is the Earth facing?S1: Peple use a lt f dangerus farm chemicals. There is less and less clean grundwater.S1: What prblem is the Earth facing?S2: Peple burn il and gas t make energy. There are mre and mre harmful gases.S2: What prblem is the Earth facing?S1: Peple cut dwn trees t build farms. There is less and less frest land.
Let’s review!
New Phrases
有害气体____________农用化学品 ____________砍伐 ____________每年____________成对；两两一组____________轮流____________
harmful gases
harmful adj. 有害的harmless adj. 无害的be harmful t 对……有害
farm chemical
= every year
短语：面对问题_____________
face the prblems
They are talking face t face.
短语：face t face____________
fewer and fewer fish in the sea
less and less clean grundwater
（1）辨析few，a few，little与a little
Let's watch a vide.
口诀：few，little含义同，句中意义表“否定”;a few，a little含义同，句中意义表“肯定”;few，a few作用同，可数名词跟后头；little，a little作用同，不可数名词来凑数。
用 few, a few, little或a little填空。
1. There’s _________ milk left in the fridge. G and buy sme nw.2. She has _________ interest in watching TV. She prefers reading bks.3. She has _________ prblems with the hmewrk, s she can d it easily.4. We have _________ sugar left, maybe we can make sme cakes.5. Only _________ peple attended the meeting, but it was still a big success.6. We have _________ bks n the tpic in the library. If yu want t learn mre, yu can brrw sme.
（2）比较级+and+比较级
fewer and fewer_____________________less and less _____________________mre and mre _____________________
越来越少+可数名词复数
越来越多+可数名词复数或不可数名词
例1. 湖里的鱼儿越来越少了。 The fish in the lake are ______ ______ ________.例2. 越来越多的人意识到保护地球的重要性。 ______ ______ _______ realize the imprtance f prtecting the Earth.例3. 天气变得越来越热。 The weather is becming ______ ______ _______.
fewer and fewer
Mre and mre
htter and htter
Grup wrk: Hw t slve the prblems?
An example:Peple will stp catching t many fish if there is a law t stp them.The undergrund water will becme clean again if ...
Listen and repeat. Pay attentin t the letters in blue.
常见发/ʌ/的字母和组合 字母或u： sn lve cup fun字母组合u： yung enugh
常见发/ɑː/的字母和组合 字母： fast ask 字母组合ar，al： car half
Can yu give mre examples?
常见发/ɒ/的字母 字母：bx lt 字母组合a：was what
常见发/ɒ:/的字母组合字母组合r, al, ar, au, aw, r, ut等：fr ball warm autumn draw dr pur
常见发/ʊ/的字母和组合 字母或u：wman put 字母组合u, 等：wuld bk
常见发/ʊ:/的字母和组合 字母或u：lse ruler 字母组合, ue, ui, e 等：fd blue juice she
Summary:常见发/k/的字母和字母组合：c, k, ch常见发/g/的字母和字母组合：g
cat can cake kil chemical
gather gd
1. Sme places are very ht, like the areas near the equatr.2. The smallest plant is as small as a grain f rice.3. And what’s mre, the Earth prvides us with all the things we need, such as fd, water, air and energy.
1. Sme places are very ht, like the areas near the equatr.2. The smallest plant is as small as a grain f rice.3. And what’s mre, the Earth prvides us with all the things we need, such as fd, water, air and energy.
sme, us, such
are, plant
smallest, small, mre, all, water
Listen and judge. Raise the Green Card hand if yu hear the wrd in “a”; Raise the Red Card if yu hear the wrd “b”.
1. /ʌ/ vs /ɑː/2. /ɒ/ vs /ɒ:/ a. shut b. shark a. sht b. shrt 3. /ʊ/ vs /ʊ:/ 4. /k/ vs /g/a. sht b. she a. ck b. gd
Pst-learning
New wrds and phrases
1. *chemical2. grundwater3. burn4. il5. gas6. harmful7. cut dwn
n. 化学制品；化学品 p. 59n. 地下水 p. 59v. 燃烧；烧 p. 59n. 石油；原油 p. 59n. 天然气 p. 59adj. 有害的 p. 59砍倒 p. 59
Enjy the vide f “Angry Earth” and find ut what prblems are shwn in the vide.
What prblems is the Earth facing?
defrestatin: cutting dwn t many trees/frests
verfishing, hunting and killing wild animals
air pllutin
plastic pllutin
Talking abut the prblems the Earth is facing
While-learning
What prblem is the Earth facing?
Cause: ___________________ ___________________Result: ___________________ ___________________
Peple catch a lt f fish
There are fewer and fewer fish in the sea each year.
Lk at the phts belw. Wrk in pairs and take turns asking and answering questins abut the prblems the Earth is facing.
farm chemicals农用化学品
Peple use a lt f dangerus farm chemicals
There is less and less clean grundwater
S1: What prblem is the Earth facing?S2: Peple catch a lt f fish. There are fewer and fewer fish in the sea each year.S2: What prblem is the Earth facing?S1: Peple use a lt f dangerus farm chemicals. There is less and less clean grundwater.
Nw it’s yur turns. Yu can fllw the examples:
burn il and gas t make energy, mre and mre harmful gases
cut dwn trees, build farms, less and less frest land
S1: What prblem is the Earth facing?S2: Peple catch a lt f fish. There are fewer and fewer fish in the sea each year.S2: What prblem is the Earth facing?S1: Peple use a lt f dangerus farm chemicals. There is less and less clean grundwater.S1: What prblem is the Earth facing?S2: Peple burn il and gas t make energy. There are mre and mre harmful gases.S2: What prblem is the Earth facing?S1: Peple cut dwn trees t build farms. There is less and less frest land.
Let’s review!
New Phrases
有害气体____________农用化学品 ____________砍伐 ____________每年____________成对；两两一组____________轮流____________
harmful gases
harmful adj. 有害的harmless adj. 无害的be harmful t 对……有害
farm chemical
= every year
短语：面对问题_____________
face the prblems
They are talking face t face.
短语：face t face____________
fewer and fewer fish in the sea
less and less clean grundwater
（1）辨析few，a few，little与a little
Let's watch a vide.
口诀：few，little含义同，句中意义表“否定”;a few，a little含义同，句中意义表“肯定”;few，a few作用同，可数名词跟后头；little，a little作用同，不可数名词来凑数。
用 few, a few, little或a little填空。
1. There’s _________ milk left in the fridge. G and buy sme nw.2. She has _________ interest in watching TV. She prefers reading bks.3. She has _________ prblems with the hmewrk, s she can d it easily.4. We have _________ sugar left, maybe we can make sme cakes.5. Only _________ peple attended the meeting, but it was still a big success.6. We have _________ bks n the tpic in the library. If yu want t learn mre, yu can brrw sme.
（2）比较级+and+比较级
fewer and fewer_____________________less and less _____________________mre and mre _____________________
越来越少+可数名词复数
越来越多+可数名词复数或不可数名词
例1. 湖里的鱼儿越来越少了。 The fish in the lake are ______ ______ ________.例2. 越来越多的人意识到保护地球的重要性。 ______ ______ _______ realize the imprtance f prtecting the Earth.例3. 天气变得越来越热。 The weather is becming ______ ______ _______.
fewer and fewer
Mre and mre
htter and htter
Grup wrk: Hw t slve the prblems?
An example:Peple will stp catching t many fish if there is a law t stp them.The undergrund water will becme clean again if ...
Listen and repeat. Pay attentin t the letters in blue.
常见发/ʌ/的字母和组合 字母或u： sn lve cup fun字母组合u： yung enugh
常见发/ɑː/的字母和组合 字母： fast ask 字母组合ar，al： car half
Can yu give mre examples?
常见发/ɒ/的字母 字母：bx lt 字母组合a：was what
常见发/ɒ:/的字母组合字母组合r, al, ar, au, aw, r, ut等：fr ball warm autumn draw dr pur
常见发/ʊ/的字母和组合 字母或u：wman put 字母组合u, 等：wuld bk
常见发/ʊ:/的字母和组合 字母或u：lse ruler 字母组合, ue, ui, e 等：fd blue juice she
Summary:常见发/k/的字母和字母组合：c, k, ch常见发/g/的字母和字母组合：g
cat can cake kil chemical
gather gd
1. Sme places are very ht, like the areas near the equatr.2. The smallest plant is as small as a grain f rice.3. And what’s mre, the Earth prvides us with all the things we need, such as fd, water, air and energy.
1. Sme places are very ht, like the areas near the equatr.2. The smallest plant is as small as a grain f rice.3. And what’s mre, the Earth prvides us with all the things we need, such as fd, water, air and energy.
sme, us, such
are, plant
smallest, small, mre, all, water
Listen and judge. Raise the Green Card hand if yu hear the wrd in “a”; Raise the Red Card if yu hear the wrd “b”.
1. /ʌ/ vs /ɑː/2. /ɒ/ vs /ɒ:/ a. shut b. shark a. sht b. shrt 3. /ʊ/ vs /ʊ:/ 4. /k/ vs /g/a. sht b. she a. ck b. gd
Pst-learning
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