人教版（2019）选择性必修第一册Unit 5 Working the Land Using Language Writing写作课件（共25页）
文档属性
| 名称 | 人教版（2019）选择性必修第一册Unit 5 Working the Land Using Language Writing写作课件（共25页） |  | |
| 格式 | pptx | ||
| 文件大小 | 5.9MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2024-10-03 21:27:03 | ||
图片预览
文档简介
(共25张PPT)
Chemical
Versus
Organic Farming
U5 Working the land-Using language
Reading
U5 Working the land-Using language
Chemical Versus Organic Farming
Which tomatoes do you prefer
5 yuan / kg
15 yuan / kg
Normal tomatoes
Organic tomatoes
Sometimes there are pests in the crops.
Farmers will use pesticides to kill pests or insects.
Chemical fertilizers
No Chemical pesticide and artificial fertilisers
chemical pesticides
artificial fertilisers
in widespread use in farming
Since 1950s
Many farmers welcomed them, because they can_______________ and _________________.
fight crop disease
increase production
Some scientists have found
__________________________________________
NOW
＋
P1
However
long-term use harm both the land and people's health
论点
P2For example
spraying pesticides on crops
stay in the ________and __________________________ for a long time
affects
the _______
the animals and humans who digest may __________
and ______________
bacteria & insects
harmful
helpful
have a cancer
prohibited
In addition
soil
underground water sources
crops
fall ill
damage
in turn
Crops grown with them usually grow too fast to be rich in nutrition. They may look beautiful on the outside, but inside there is usually more water than essential minerals, and they often have less flavour as well.
Complete the sentences in the tables.
Para. Main Idea Detail
1-2 Pesticides can kill helpful _________________
Some pesticides have been ___________ because of the ________________
Crops grown with chemical fertilisers usually _____________ to be full of ______________.
bacteria and insects
prohibited
damage
grow too fast
nutrition
D
The problems with chemical farming
Chemical Farming
a great way to fight crop diseases and increase production.
1. Kill the helpful bacteria and insects
2. Food: less nutrition, less essential minerals, and less flavour.
3. Cause illness and cancer
pros
cons
supporting evidence
As an alternative, some farmers have switched to organic farming, and many customers have turned to organic food when they shop at the local grocery. Organic farming is simply farming without using any chemicals. Organic farmers focus on keeping their soil rich and free of disease through natural means. For example, many organic farmers use natural waste from animals as fertiliser. This makes the soil in their fields richer in minerals. It also keeps the air, soil, water, and crops free of chemicals.
P3
How is organic farming different from chemical farming
Para. Main Idea Detail
3 Many organic farmers use __________________ as fertiliser.
natural waste
A
What organic farming is
P4
Except for kitchen & animal waste, what else can help produce rich soil without chemicals
4 Main idea: C Organic methods for producing rich soil They often ____________________grown in each field ______________.
They also plant crops that use ______________ of the soil to help keep it rich.
change the kind of crop
every year
different depths
because they put important minerals back into the ground, making it ready for the next batch of crops
to grow good food while avoiding damage to the environment or to people’s health
P5
Should we stop the use of man-made chemicals entirely
What keeps people from doing so is the fact that chemical farming serves the high demand for food around the world. Organic farming is nowhere near able to meet that need.
远远不可能；远非
There is still a long way to find a suitable solution that puts sufficient food on the dinner table while keeping people and the environment as healthy as possible.
5 Main idea Organic farming is nowhere near able to meet the high _______________________________.
demand for food
B
Why man-made chemicals are still used in farming
Organic Farming
pros
cons
Organic farming is nowhere near able to meet the high demand for food
around the world.
1. makes the soil richer in minerals
2. keeps the air, soil, water and crops free of chemicals,
3. avoid damage to the environment or to people’s health.
Writing
U5 Working the land-Using language
Thinking
What is the author’s attitude towards organic farming
A.Negative B. ambiguous C. objective D. supportive
What is your opinion on chemical or organic farming
Write an anrgumentative passage in the next period.
Write an argumentative essay giving your opinion on chemical or organic farming.(P57,2)
Requirements:
Opinion+Supporting evidence
para.1
pose your point
para.2
supporting evidence
para.3
rewrite your point
the structure of the argumentative
How to pose the point
1. There is a hot discussion/debate over sth.
...引起巨大的热议。
日本排放核污水引起巨大的热议。
There is a hot debate over the nuclear-contaminated water Japan release.
人工智能引起了巨大的热议。
There is a hot debate over AI.
How to pose the point
2. Some people think that.... Others assume that...
Some people think that nuclear-contaminated water destroys the ocean. Others assume that releasing waste water alleviates the pressure in reservation.
一些人认为核废水破坏了海洋，另外一些人认为排放废水缓解了储存压力。
How to pose the point
3. In my opinion/As far as I am concerned, .....
In my opinion, pouring nuclear-contaminated water into sea does severe damages to the earth.
就我而言，将废水排入大海会对地球造成巨大的损害。
How to write supporting evidence
1. First,...Second,.... Finally,....
First of all, nuclear-contaminated water is rich in poisonous materials, which cause the substantial deaths of marine creatures.
核废水里面含有大量的有毒物质，这些有毒物质会造成海洋生物死亡。
How to write supporting evidence
1. First,...Second,.... Finally,....
In addition, nuclear-contaminated water is rich in poisonous materials, which cause the substantial deaths of marine creatures.
核废水污染了海水，人们不能去海边玩了。
How to rewrite your point
1. In a word/ In short/ In conclusion...
In conclusion, nuclear-contaminated water is so harmful to the nature that we need work hard to stop it.
总之，核废水对大自然的伤害太大了，我们要抵制这种肮脏的行为。
There is a hot debate over the nuclear-contaminated water Japan release. Some people think that nuclear-contaminated water destroys the ocean. Others assume that releasing waste water alleviates the pressure in reservation.In my opinion, pouring nuclear-contaminated water into sea does severe damages to the earth.
First of all, nuclear-contaminated water is rich in poisonous materials, which cause the substantial deaths of marine creatures. In addition, nuclear-contaminated water is rich in poisonous materials, which cause the substantial deaths of marine creatures.
In conclusion, nuclear-contaminated water is so harmful to the nature that we need work hard to stop it.
Write an argumentative essay giving your opinion on chemical or organic farming.(P57,2)
To begin with, chemical farming harms the environment. Since chemical pesticides are not found in nature, normal natural processes cannot get rid of them.Instead, the chemicals tend to accumulate in the soil and water, and are absorbed in the food chain, where they poison wildlife and domestic animals.
organic
chemical
of the benefits to the environment and to people, and because organic food ismore nutritious
Thanks
Chemical
Versus
Organic Farming
U5 Working the land-Using language
Reading
U5 Working the land-Using language
Chemical Versus Organic Farming
Which tomatoes do you prefer
5 yuan / kg
15 yuan / kg
Normal tomatoes
Organic tomatoes
Sometimes there are pests in the crops.
Farmers will use pesticides to kill pests or insects.
Chemical fertilizers
No Chemical pesticide and artificial fertilisers
chemical pesticides
artificial fertilisers
in widespread use in farming
Since 1950s
Many farmers welcomed them, because they can_______________ and _________________.
fight crop disease
increase production
Some scientists have found
__________________________________________
NOW
＋
P1
However
long-term use harm both the land and people's health
论点
P2For example
spraying pesticides on crops
stay in the ________and __________________________ for a long time
affects
the _______
the animals and humans who digest may __________
and ______________
bacteria & insects
harmful
helpful
have a cancer
prohibited
In addition
soil
underground water sources
crops
fall ill
damage
in turn
Crops grown with them usually grow too fast to be rich in nutrition. They may look beautiful on the outside, but inside there is usually more water than essential minerals, and they often have less flavour as well.
Complete the sentences in the tables.
Para. Main Idea Detail
1-2 Pesticides can kill helpful _________________
Some pesticides have been ___________ because of the ________________
Crops grown with chemical fertilisers usually _____________ to be full of ______________.
bacteria and insects
prohibited
damage
grow too fast
nutrition
D
The problems with chemical farming
Chemical Farming
a great way to fight crop diseases and increase production.
1. Kill the helpful bacteria and insects
2. Food: less nutrition, less essential minerals, and less flavour.
3. Cause illness and cancer
pros
cons
supporting evidence
As an alternative, some farmers have switched to organic farming, and many customers have turned to organic food when they shop at the local grocery. Organic farming is simply farming without using any chemicals. Organic farmers focus on keeping their soil rich and free of disease through natural means. For example, many organic farmers use natural waste from animals as fertiliser. This makes the soil in their fields richer in minerals. It also keeps the air, soil, water, and crops free of chemicals.
P3
How is organic farming different from chemical farming
Para. Main Idea Detail
3 Many organic farmers use __________________ as fertiliser.
natural waste
A
What organic farming is
P4
Except for kitchen & animal waste, what else can help produce rich soil without chemicals
4 Main idea: C Organic methods for producing rich soil They often ____________________grown in each field ______________.
They also plant crops that use ______________ of the soil to help keep it rich.
change the kind of crop
every year
different depths
because they put important minerals back into the ground, making it ready for the next batch of crops
to grow good food while avoiding damage to the environment or to people’s health
P5
Should we stop the use of man-made chemicals entirely
What keeps people from doing so is the fact that chemical farming serves the high demand for food around the world. Organic farming is nowhere near able to meet that need.
远远不可能；远非
There is still a long way to find a suitable solution that puts sufficient food on the dinner table while keeping people and the environment as healthy as possible.
5 Main idea Organic farming is nowhere near able to meet the high _______________________________.
demand for food
B
Why man-made chemicals are still used in farming
Organic Farming
pros
cons
Organic farming is nowhere near able to meet the high demand for food
around the world.
1. makes the soil richer in minerals
2. keeps the air, soil, water and crops free of chemicals,
3. avoid damage to the environment or to people’s health.
Writing
U5 Working the land-Using language
Thinking
What is the author’s attitude towards organic farming
A.Negative B. ambiguous C. objective D. supportive
What is your opinion on chemical or organic farming
Write an anrgumentative passage in the next period.
Write an argumentative essay giving your opinion on chemical or organic farming.(P57,2)
Requirements:
Opinion+Supporting evidence
para.1
pose your point
para.2
supporting evidence
para.3
rewrite your point
the structure of the argumentative
How to pose the point
1. There is a hot discussion/debate over sth.
...引起巨大的热议。
日本排放核污水引起巨大的热议。
There is a hot debate over the nuclear-contaminated water Japan release.
人工智能引起了巨大的热议。
There is a hot debate over AI.
How to pose the point
2. Some people think that.... Others assume that...
Some people think that nuclear-contaminated water destroys the ocean. Others assume that releasing waste water alleviates the pressure in reservation.
一些人认为核废水破坏了海洋，另外一些人认为排放废水缓解了储存压力。
How to pose the point
3. In my opinion/As far as I am concerned, .....
In my opinion, pouring nuclear-contaminated water into sea does severe damages to the earth.
就我而言，将废水排入大海会对地球造成巨大的损害。
How to write supporting evidence
1. First,...Second,.... Finally,....
First of all, nuclear-contaminated water is rich in poisonous materials, which cause the substantial deaths of marine creatures.
核废水里面含有大量的有毒物质，这些有毒物质会造成海洋生物死亡。
How to write supporting evidence
1. First,...Second,.... Finally,....
In addition, nuclear-contaminated water is rich in poisonous materials, which cause the substantial deaths of marine creatures.
核废水污染了海水，人们不能去海边玩了。
How to rewrite your point
1. In a word/ In short/ In conclusion...
In conclusion, nuclear-contaminated water is so harmful to the nature that we need work hard to stop it.
总之，核废水对大自然的伤害太大了，我们要抵制这种肮脏的行为。
There is a hot debate over the nuclear-contaminated water Japan release. Some people think that nuclear-contaminated water destroys the ocean. Others assume that releasing waste water alleviates the pressure in reservation.In my opinion, pouring nuclear-contaminated water into sea does severe damages to the earth.
First of all, nuclear-contaminated water is rich in poisonous materials, which cause the substantial deaths of marine creatures. In addition, nuclear-contaminated water is rich in poisonous materials, which cause the substantial deaths of marine creatures.
In conclusion, nuclear-contaminated water is so harmful to the nature that we need work hard to stop it.
Write an argumentative essay giving your opinion on chemical or organic farming.(P57,2)
To begin with, chemical farming harms the environment. Since chemical pesticides are not found in nature, normal natural processes cannot get rid of them.Instead, the chemicals tend to accumulate in the soil and water, and are absorbed in the food chain, where they poison wildlife and domestic animals.
organic
chemical
of the benefits to the environment and to people, and because organic food ismore nutritious
Thanks