Unit 12 The Earth (课件）

(共79张PPT)
Module 4 The natural world
Unit 12 The Earth
学习目标
1.词汇：Earth, part, forest, land, ocean, rubbish, so many,
sick recycle, glass, own, pick up, shopping bag, plastic bag
2.句型结构 ① 表达地球生病的原因句型
② 用句子描述地球的今昔对比
③ 用句子询问和回答拯救地球的方式
④ 用句子表达拯救地球的方式
3. 语音：复习
Warm up
How much do you know about the Earth
目 录
CONTENTS
01
Vocabulary
02
Text
03
Grammar
04
Practice
Vocabulary
PART 01
Vocabulary
Earth / θ/ 地球
【例句】The earth moves around the sun.
地球围绕太阳旋转。
The moon moves around the earth.
月亮绕着地球转。
【拓展】Earth Day 地球日
Vocabulary
part /pa:t/ n.地区，区域
【例句】Many parts in China like jiaozi.
中国许多地区喜欢饺子。
【拓展】part 部分
a large part of...……的大部分
Vocabulary
forest / f r st/ n.森林
【例句】The old man lives in the forest.
老人住在森林里。
【拓展】rainforest 雨林
be lost in the forest 在森林中迷路
Vocabulary
land /l nd/ n.陆地；土地
【例句】Their home is on his father's land.
他们的家建在他父亲拥有的地皮上。
【例句】island 岛屿 --- This is a large island. 这是一个大岛。
【例句】land on 着陆 ---- They landed on Shanghai.他们在上海着陆了。
Vocabulary
ocean / ( )n/ n. 海洋
【例句】Most parts of the Earth is ocean.地球大部分区域是海洋。
【拓展】大西洋Atlantic Ocean
太平洋Pacific Ocean
印度洋Indian Ocean
北冰洋Arctic Ocean
Vocabulary
rubbish / r b / n.垃圾
【例句】Mary, take out the rubbish.
玛丽，倒一下垃圾。
【拓展】rubbish=garbage=wasterubbish bin 垃圾桶
Vocabulary
sick /sik/ adj.生病的
【例句】He is very sick.他病的很重。
【拓展】ill只作表语, sick既可作表语也可以作定语。
【例如】 a sick man,但不可以说an ill man.
可以说The man is ill/sick.
Vocabulary
recycle / ri sa kl/ v. 回收，再利用
【例句】We can recycle the lamp bulb.
我们可以回收利用灯泡。
【拓展】re-前缀表示再，又reuse 再利用
rebuild 重建
repeat 重复
Vocabulary
glass /gla:s/ n.玻璃(制品)
【例句】I need a glass of juice.
我需要一杯果汁
【拓展】a pair of sunglasses 一副太阳镜
a glass of milk 一杯牛奶
Vocabulary
own / n/ adj. 自己的
【例句】He is reading his own book.
他在读自己的书。
【拓展】my own book = the book of my own
我自己的书
Vocabulary
pick up 捡起
【例句】The boy is picking up the balls.
男孩正在捡球。
【拓展】1.pick up若遇到人称代词做主语一定要放中间
2.pick up 还有“接载; (不费力地)获得,学会”之意
Vocabulary
so many 和 so much都表示：如此多
so many后加可数名词复数；so much后加不可数名词。
【例句】Don't eat so many sweets.不要吃如此多糖。
Don't drink so much juice.不要喝如此多果汁。
【拓展】too many & too much （太多）用法与so many & so much 相同。
shopping bag 购物袋
【例句】His parents are carrying the shopping bags.
他父母正拎着购物袋。
【拓展】shopping mall 购物中心
go shopping 去逛街
Vocabulary
Vocabulary
plastic bag 塑料袋
【例句】There are so many plastic bags here.
这里有如此多塑料袋。
【拓展】It's bad to use too much plastic. It's bad to use too many plastic bags.
塑料本身不可数,但是变成“塑料瓶,塑料袋”均为可数名词。
Text
PART 02
Listen and say
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Ms Guo: Look at this picture. What is it
Kitty: It's the Earth.
Ms Guo: The green and brown parts are forests and land. What are the blue parts
Joe: I think they're oceans.
看
蓝色部分
海洋
Listen and say
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Ms Guo: Yes, they are. The Earth was very clean and beautiful in the past, but now some parts are dirty. Can we do anything to help the Earth
Alice: Yes. We should stop throwing rubbish into rivers.
Peter: We should stop cutting down so many trees.
Kitty: We should stop using plastic bags.
过去
stop doing 停止做某事
Listen and say
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Write the words in the boxes. Then talk about the Earth.
谈论
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Look and learn
Look and read
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We live on the Earth. The Earth is a beautiful place. There are rivers, oceans, land and forests. There are many different plants and animals too.
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People, plants and animals need clean water and air. Sometimes people throw rubbish into rivers and oceans. Sometimes people cut down too many trees. Smoke from cars and factories makes the air dirty. The Earth gets sick.
Look and read
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Look and read
Now people work together to keep the Earth clean and healthy.They pick up rubbish. They plant trees every year.
Look and read
They recycle glass and paper. They bring their own shopping bags and stop using plastic bags.
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Answer the questions.
1. Why does the Earth get sick
2. What do people do to keep the Earth clean and healthy
Look and read
Ask and answer.
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What should we do to save the Earth Put a tick (√) or a cross (×) in the box. Then talk about it in groups.
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Ask and answer.
S1: What should we do to save the Earth
S2: We should...
S3: We should...
S4: We should stop...
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Think and write.
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Review the sounds
Grammar
PART 03
Sentences
1.We should stop cutting down so many trees.
辨析：stop doing cut down so many
用法 例句
stop to do sth“停下来去做某事” stop doing sth“停止做某事” They stop to have a rest.他们停下来去休息一下。
They stop playing games.他们停止玩游戏。
cut down “砍倒” We should not cut down trees.我们不应该砍树。
so many+名词复数“很多” They are so many students in the playground.
在操场上有很多学生。
2. The Earth was very clean and beautiful in the past, but now some are dirty. ... in the past, but now...... some
Sentences
用法 例句
.....in the past,but now ....... “过去......,现在......” Our village was very quiet in the past,but now it is noisy.以前，我们乡村很安静，但是现在很嘈杂。
1.some +可数/不可数的名词 a.“一些的”b. 用于肯定句 2.some 代词，指代“某一些人或物” There are many children there. Some are playing football, and some are jumping rope.
那里有很多孩子，一些孩子在踢足球，一些在跳绳。
Sentences
【即学即练】1. There is still meat in the fridge. A. some B. one C. any2. girls dress up well in the party. A. What B. Some C. Any3. I didn’t like pork in the past, but_____ I love it. A.now B. past C. after
Sentences
3.We live on the Earth. 我们住在地球。
用法 例句
live 生活 live in 住在.... live on以...为生 Mr Li liveson writing novels.
李先生以写小说为生。
I live in Shenzhen.我住在深圳。
on the Earth在地球上 All the animals and human beings live on the Earth.
所有的动物和人类都生活在地球上。
Sentences
4. Smoke from cars and factories makes the air dirty. The Earth gets sick.
用法 例句
make sth +形容词 使....怎么样 make sb do sth 让某人做某事 Danny always makes his bedroom clean.
Danny 总是让他的房间保持干净。
Sue makes others laugh happily.
Sue让其他人笑得很开心。
get sick “生病” be ill “生病” The baby got sick last night. 这个宝宝昨晚生病了。
Sentences
5. Can we do anything to help the Earth
1. anything “任何东西;一些事/东西”一般用于疑问句和否定句表示“任何东西”时可用于肯定句
2. something “某些东西;某些事”一般用于肯定句用于询问吃东西，征询意见并希望得到肯定回答时，可用于疑问句。
【例句】Is there anything in the fridge 冰箱里有东西吗？
There is something in the box.盒子里有些东西。
Would you like to drink something 你想喝点东西吗？
Sentences
6.They pick up rubbish.
1. pick up “捡起”
【例句】Please pick up the paper. 请把纸捡起来。
2.rubbish=garbage “垃圾” 不可数名词
【例句】Please throw rubbish into the garbage bin.
请把垃圾扔进垃圾桶。
Sentences
7. Look at the picture.
1.look at “看着”
【例句】Look at the blackboard.看着黑板。
2.look up “查看”“向上看”
【例句】You can look up the word in the dictionary.你可以在字典上查单词。
3.look for “寻找”
【例句】I am looking for my pen.我正在找我的笔。
Sentences
Look at this picture. What is it 看这张图片，它是什么？
It’s the Earth. 是地球。
The green and brown parts are forests and land. What are the blue parts
绿色和棕色的部分分别是森林和土地，蓝色的部分是什么？
I think they’re oceans. 我想是海洋。
Sentences
Yes, they are. The Earth was very clean and beautiful in the past, but now some parts are dirty. Can we do anything to help the Earth
是的，它们是。过去的地球很干净漂亮，但是现在有些部分被污染了。我们可以做些事情拯救地球吗？
Sentences
Yes. We should stop throwing rubbish into rivers. 是的，我们应该停止向河里扔垃圾。
We should stop cutting down so many trees. 我们应该停止砍伐这么多的树。
We should stop using plastic bags. 我们应该停止使用塑料袋子。
Sentences
We live on the Earth. 我们住在地球上。
The Earth is a beautiful place. 地球是一个美丽的地方。
There are rivers, oceans, land and forests. 有河流、海洋、土地和森林。
There are many different plants and animals too. 还有很多不同的植物和动物。
People. Plants and animals need clean water and air.
人、植物和动物都需要干净的水和空气。
Sentences
Sometimes people throw rubbish into rivers and oceans.
人们有时向河里和海里扔垃圾，
Sometimes people cut down too many trees. 有时砍倒很多的树。
Smoke from cars and factories makes the air dirty.
汽车和工厂排出的烟污染了空气。
The Earth gets sick. 地球生病了。
Sentences
Now people work together to keep the Earth clean and healthy.
现在人们一起努力使地球恢复干净和健康。
They pick up rubbish. 他们捡垃圾。
They plant trees every year. 他们每年都植树。
They recycle glass and paper. 他们回收玻璃制品和纸。
They bring their own shopping bags and stop using plastic bags.
他们携带自己的购物袋儿，不再使用塑料袋儿。
表达地球生病的原因句型
1)Sometimes people throw rubbish into rivers and oceans.
2)Sometimes people cut down too many trees.
3)Smoke from cars and factories makes the air dirty.
Sentences
用句子描述地球的今昔对比
The Earth was... and ... in the past, but now some parts...
用句子询问和回答拯救地球的方式
-What should we do to save the Earth
-We should stop...We should ...
Sentences
用句子表达拯救地球的方式
The Earth was clean and beautiful in the past, but now some parts are dirty.
We should stop killing wild animals.
We should stop cutting down too many trees.
We should stop throwing rubbish into rivers.
We should stop using more plastic bags and bottles.
Sentences
There be 句型
There be句型的定义
There be 句型表示 某地有某物/ 某人。
eg: There is a river in the forest.森林里有一条河。
There are many apples on the tree.树上有很多苹果。
A. There is+单数可数名词/不可数名词+地点.
e.g. There is a book on the desk.书桌上有一本书。
There is some water in the bottle.瓶子里有些水。
B. There are+复数名词+地点.
e.g. There are some apples in the basket.篮子里有一些苹果。
一般现在时的There be句型--肯定句
Grammar
A. There is not (isn't) +单数可数名词/不可数名词+地点.
e.g. There isn't a book on the desk.书桌上没有书。
There isn't any water in the bottle.瓶子里没有水。
B. There are not (aren't) +复数名词+地点.
e.g. There aren't any apples in the basket.篮子里没有苹果。
some在否定句&疑问句中变为any!
一般现在时的There be句型--否定句
Grammar
A. Is there+单数可数名词/不可数名词+地点
e.g. Is there a book on the desk 课桌上有书吗
Is there any water in the bottle 瓶子里有水吗
B. Are there+复数名词+地点
e.g. Are there any apples in the basket 篮子里有苹果吗
一般现在时的There be句型--一般疑问句
Grammar
A. There was+单数可数名词/不可数名词+地点.
e.g. There was a bad king in Sui Dynasty. 隋朝有-名昏君。
There was some water in the glass yesterday. 昨天杯子里有一些水。
B. There were+复数名词+地点.
e.g. There were many poor people in the past. 过去有很多穷人。
am/ is ---was
are ---were
Grammar
一般过去时的There be句型--肯定句
A. There was not (wasn't) +单数可数名词/不可数名词+地点
e.g. There wasn't a book on the table yesterday.昨天桌上没有书。
There wasn't any water in the glass yesterday.昨天杯子里没有水。
B. There were not (weren't) +复数名词+地点.
e.g. There weren't any students in the classroom yesterday.昨天教室里没有学生。
一般过去时的There be句型--否定句
Grammar
A. Was there+单数可数名词/不可数名词+地点
e.g. Was there a book on the desk yesterday 昨天课桌上有书吗
Was there any water in the bottle yesterday 昨天瓶子里有水吗
B. Were there+复数名词+地点
e.g. Were there any apples in the basket yesterday 昨天篮子里有一些苹果吗
一般过去时的There be句型--一般疑问句
Grammar
特殊疑问句：
A.某处有多少某物
How many+复数名词+were there+地点
How much+不可数名词+was there+地点
一般过去时的There be句型
情 态 动 词
We should stop cutting down so many trees.（1）should 的用法 a.表义务，可用于各种句式，意思是“应该”。 例：We should protect our Earth. b.表推测，暗含很大的可能。 例：It’s 4:30. They should be in New York now. c.用于第一人称疑问句，表征询意见。 例：Should I open the window
can 的用法
(1)表示能力，“能，会”
【例句】Can you play basketball
(2)表示怀疑、猜测，常用于否定句和疑问句中
【例句】He can’t be in classroom.
(3)表示请求或允许，口语，“可以”相当may
【例句】You can go now.
must 的用法
(1)“必须 应该”
【例句】You must obey traffic rules.
(2)表推测“一定”
【例句】This coat must be Jack’s.
must 的用法
(3)否定句中，mustn’t 表示禁止，“不允许”
【例句】You mustn't play the fire.
(4)Must开头的疑问句，肯定回答用must，否定回答用 needn’t（=don’t have to） “不需要，不必”
【例句】Must I clean the room now
Yes, you must.
No, you needn’t/ don’t have to.
would 的用法
（1）用于表示过去的意愿或委婉提问
Would you tell me the way to the school
Would you like something to drink？
【即学即练】
1.---Must I finish my homework right now
--- Yes, .
A.you need B. I must C. you must
2. You take care of your younger sister.
A. should B. shouldn’t C. can’t
3. _____ you like some juice or water
A. Should B. May C. Would
Practice
PART 04
英汉互译
1.地球 2.陆地 _______________ 3.海洋 4.森林 ______________ 5. clean 6. dirty ________________ 7. stop 8. parts ________________ 9. rubbish 10. recycle _____________
按照要求翻译句子
1. 看着这张图片。 this picture.1. 地球是非常干净和美丽的。The Earth was very and 2. 我们应该停止砍伐树木。 We trees.3. 我们生活在地球上。 We live _______.4. 地球生病了。 The Earth .
单项选择
1.Kids ______ go out at night .
A.must B. should C. shouldn’t
2.All the creatures(生物）live ______ the Earth.
A.in B. on C. at
3.Look______ the blackboard, and listen carefully.
A.in B. to C. at
单项选择
4.Helen has so_______friends because she is very nice.
A.much B. many C. lots
5.It is bad to throw rubbish ______ lakes an rivers.
A.into B. to C. at
6. Please stop______ loudly. The baby is sleeping
A. shouting B. to shout C. to shouting
根据所给词的适当形式填空
1. She should not________ (fight) with others.
2. I stop ___________ ( rest ) when I feel tired.
3. What would you ( like ) to eat
4. Tom often makes his book _________ ( tidy ) and clean.
5. Liu Tao ________ ( get) sick yesterday.
连词成句
1. too; trees; many; sometimes; cut; people; down (.) 2. recycle; they ; and ; glass; paper (.) 3. rivers; we; stop; throw; into; should; rubbish (.) 4. we; can; anything; do; to; the; help; Earth ( ) 5. Earth; is; beautiful; the; a; place (.)
单选题
1．____rivers, oceans, land and forest.
A．There are B．There is C．There was
2．Trees are very important to us. They can ____.
A．cool the air B．make clean air C．give clean air
3．Don't use the ____bags. We should keep the city clean.
A．plastic B．paper C．wood
单选题
4．Now the Earth _____sick.
A．gets B．get C．getting
5．Don't throw rubbish ____rivers.
A．into B．to C．in
语法填空
1. There are rivers, oceans, land and forests 　 　the Earth. 2．Smoke 　 　cars and factories makes the air dirty. 3．We should stop 　 　（use）plastic bags. 4．We should stop cutting 　 　 so many trees. 5．The Earth 　 　（be）very clean and beautiful in the past.
改错题
1．Can we do something to help the Earth 　 　 A B C2．We should walk and ride a bike more often. 　 　 A B C3．Now people work together to keep the Earth clean and health. 　 　 A B C
THANK YOU！