人教版（2019） 选择性必修第一册 Unit 5 Working the Land Using Language Writing 公开课课件（17张PPT）

(共17张PPT)
An Argumentative Essay on Farming
Speaking & Writing
Learning Aims
1. Linguistic Competence: To talk about the advantages and disadvantages of different kinds of farming and writing an argumentative essay on it.
2. Learning Abilities: To integrate information from various statements and to evaluate others’ composition.
3. Thinking Quality: To analyse the logic of the information and develop your own ideas.
4. Cultural Awareness: To learn about chemical farming and organic farming and think about the agricultural development.
Which one is better
chemical/traditional farming
organic farming
Step1 Lead in
Useful expressions
Advantages
Disadvantages
Chemical/traditional farming:
·fight crop disease
·increase output
·short growth cycle/ high efficiency
·a favorable price
…
Organic farming:
·keep the soil rich
·contain more essential minerals
·rich in nutrition/ tasty flavour
…
Chemical/traditional farming:
·harm both the land and people’s health
·kill the helpful insects
·crops grow too fast to be rich in nutrition
·make people ill even cause cancer
…
Organic farming:
·high cost
·long growth cycle/low efficiency
·high price
…
Debating Game
Organic farming
Group 2
Chemical farming
Group 1
Debate
G1: chemical farming
G2: organic farming
List the advantages
Linking words
On the one hand,… / Besides,… / What’s more,…
On the other hand,… / In addition,… / What’s worse,…
In fact,… / for instance… / plus,… / not only...but also,…
Sentence patterns:
I’m fully convinced that.../what I am firmly believe in is that...
be in favour of/ approve of; be opposed to/ object to
It is adj. for sb. to do…sb. find it + adj. to do…
What attract ...most is that... /which is essential to
…
Point out the disadvantages
Step3 Writing
假定你是李华，最近，你班开展了主题为“Chemical Farming or Organic Farming”的征文活动。请根据以下内容用英语写一篇短文。
1. 引出议题； 2.你的观点+理由；3. 总结。
Attention：
1. About 80 words.
2. Pay attention to coherence(连贯) and handwriting.
How to write
Structure
Body
个人观点 +论据（至少2条）
驳斥对方的观点+论据（至少1条）
Beginning :
提出论题
Ending:
总结
Chemical/traditional farming:
·fight crop disease
·increase output
·short growth cycle/ high efficiency
·a favorable price
…
Organic farming:
·keep the soil rich
·contain more essential minerals
·rich in nutrition/ tasty flavour
Useful expressions
Chemical/traditional farming:
·harm both the land and people’s health
·kill the helpful insects
·crops grow too fast to be rich in nutrition
·make people ill even cause cancer
…
Organic farming:
·high cost
·long growth cycle/low efficiency
·high price
Advantages
Disadvantages
I’m fully convinced that.../what I am firmly believe in is that...
be in favour of/ approve of; be opposed to/ object to
It is adj. for sb. to do… sb. find it + adj. to do…
What attract ...most is that... /,which is essential to... …
Sentence patterns
On the one hand,… On the other hand,…
What’s more,… /In addition,…/ In fact...
What’s worse,… / Therefore, …/for instance
Linking words
评价内容 分数(满分25) Max 23
Complete Structure (3 parts) Complete structure√&Exact language√&Good Logic
( 15points)
High level sentences and good words(+ 2points for each)
Spelling/Grammar mistakes and bad handwriting (- 2points)
Exact Language Good Logic (linking words) Evaluation Standard
Writing outline
There is a widespread concern over the issue about__________________.
The opinions concerning this hot topic vary from person to person.
In my opinion, ________ farming is preferable to________ farming . Because it has ____________. (Advantages) ________________________.
However, as for ____ farming,(disadvantage)____________________ . ___________________________.
Therefore , I hold the belief that_________farming brings us more advantages and is more _________________________.
Topic
at least 2 advantages
at least 1disadvantage
Summary & Your opinion
Step4 Evaluation
Evaluate your articles for each other.
1. Underline beautiful words and sentences.
2. Correct the mistakes.
3. Grade it by giving it a score.
评价内容 分数(满分25) Max 23
Complete Structure (3 parts) Complete structure√&Exact language√&Good Logic ( 15points)
Higher level sentences and good words(+ 2points for each)
Spelling/Grammar mistakes and bad handwriting (- 2points)
Exact Language Good Logic (linking words) Sample Writing
There is a heated topic over the issue about which we should choose between chemical farming and organic farming.
In my opinion, organic farming is preferable to chemical farming. Because it has numerous benefits. To begin with, organic food is generally more nutritious than food grown with artificial fertilisers. In addition, it is beneficial to our health. In fact, it contains much more essential minerals, for instance, vitamins. Finally, what attracts consumers most is
Sample Writing
its tasty flavour. However, as for chemical farming, it produces food with less flavor and nutrition, which is essential to people. Plus, chemical farming kills not only bad but also good insects and thus damages the land.
Therefore, I hold the belief that organic farming brings us more advantages and is more environmentally friendly.
Step5 Summary
We firmly believe that with everyone’s efforts, we
will present more impressive progress in agriculture to contribute to the world in the future.
Step6 Homework
1.Polish your writing after class.
2.Surf the Internet for more information about the agricultual development of modern China.