北师大版（2019）选修 第一册Unit 3 Conservation Writing—A “For” and “Against” Essay 课件 (共27张PPT)

(共27张PPT)
Writing—A “For” and “Against” Essay
CONSERVATION
UNIT 3
细读 文本
1.What is the first paragraph mainly about
A.Introduce the idea of factory farming.
B.Describe the details of factory farming.
C.Conclude the author’s opinions.
D.Present some arguments against the idea.
Activity 1　Read for some details.
√
2.What is one of the advantages of factory farming
A.Its costs are high and the production is low.
B.It is more expensive than traditional farming.
C.It provides more food for a world population.
D.It can provide more working positions.
√
3.Why are people fighting for animal rights against factory farming
A.Because factory farming may cause serious pollution.
B.Because many farm animals suffer terrible stress.
C.Because factory farming creates a lot of waste products.
D.Because factory farming can produce cheap food.
√
4.What is the purpose of the last paragraph
A.To sum up and express the author’s opinions.
B.To provide the supporting factors.
C.To stress the importance of the idea.
D.To offer the background.
√
Ⅰ.Match each paragraph with its main idea.
Activity 2　Read for the structures.
Ⅱ.Fill in the blanks to complete the structure according to the essay.
introduction
for
disadvantage
opinion
Read and find out sentences with linking expressions.
______________________________________________________________
Activity 3　Read for some good sentences.
答案　(1)According to an institute，“74% of the world’s poultry,43% of its beef and 68% of its eggs are produced in this way.”
(2)Moreover，factory-farmed animals suffer from fewer diseases than those living outside.
(3)On the other hand，opponents of factory farming say that it is cruel to the animals.
(4)For instance，many farm animals are kept in small spaces where they can hardly move.
(5)In addition to this，factory farming has a negative impact on the environment...
(6)To sum up，despite producing cheap food，factory farming is bad for the planet and for the animals themselves.
(7)In my opinion，we should try to reduce this kind of farming，although we would have to pay more for our eggs and meat.
写作 指导
正反观点类议论文
本单元的写作任务是写一篇包含正反观点的议论文。此类文章是围绕给出的话题论述两个对立的观点并给出自己的看法。该类文章一般分成三部分：
第一部分：说明讨论的话题；
第二部分：说明正方和反方的观点及其理由；
第三部分：表明自己的观点。
[常用表达]
首段常用句式：
1.We’ve had a survey on...
2.Recently，we had a heated discussion about whether...or not.
3.The topic of the discussion of...is becoming more and more popular recently.
4.Opinions are divided on this issue.
5.Opinions are mainly divided into two groups.
6.Different people，however，have different opinions/think quite differently on this matter.
...
中间段常用句式：
1.35% of the students hold the view that...For one thing...For another thing...
2.60% of the students are for the idea，who think...
3.In their opinion，there are many advantages of.../...play an important part in...
4.However，the others are strongly against it.Their reasons are as follows.In the first place...What’s more...In addition...
5.As the old saying goes，each coin has two sides.
6.Some hold the different view that...
7.There are also some disadvantages of...
...
尾段常用句式：
1.In my opinion/In my view，...
2.Personally speaking，I think...
3.Taking everything into consideration，we should make good use of...
4.Only in this way can we ...
5.I’m entirely convinced that...
6.As far as I am concerned，...
...
实践 演练
近年来，手机视频直播在年轻人中越来越流行，对此不同的人持有不同观点。你班同学就此展开了讨论。假设你是李华，请根据下表提供的信息，给报社写一封信，客观地介绍讨论情况。
60%的同学认为 40%的同学认为 你的看法
1.分享生活体验的好方式； 2.展示才华的舞台； …… 1.误导年轻人可以不劳而获； 2.泄露个人隐私； …… ……
注意：1.信的开头和结尾已为你写好，不计入总词数；
2.词数80左右。
参考词汇：手机视频直播mobile live video broadcasting
第一步　审题谋篇
[审题]
1.确定文体：这是议论文，写作时应注意议论文的写作特点；
2.主体时态：应以一般现在时为主；
3.主体人称：以第一人称和第三人称为主。
[谋篇]
第一段：说明讨论的话题——青少年是否能够进行手机视频直播；
第二段：说明正方和反方的观点及理由；
第三段：表明自己的观点。
第二步　遣词造句
[核心词汇]
1.从……到……不同 ______________
2.支持/反对 _____________
3 ……的好方式 ________________
4.一方面……另一方面…… ______________________________
5.相反 ______________
6.有……的风险 ______________
7.泄露隐私 _________________
8.对……有消极影响 ______________________
vary from...to...
be for/against
a good way to do
for one thing...for another thing...
on the contrary
be at the risk of
give away privacy
have a negative effect on
9.对……上瘾，对……痴迷 ______________
10.阻止某人做某事 _____________________________
11.丰富某人的生活 ______________
12.一个例外 ____________
be addicted to
prevent/stop sb (from) doing sth
enrich one’s life
an exception
[连词成句]
1.关于手机视频直播，人们的观点各不相同。
As for mobile live video broadcasting，_____________________________
_______.
2.他们认为这是一种跟家人朋友分享生活经历的好方法。
They argue that it is with
friends and families.
3.这为他们提供了展示才华的舞台。
It provides them with a stage .
opinions vary from person to
person
a good way to share their life experience
to show their talents
4.相反，有40%的人反对它(青少年手机视频直播)。
______________________________________________________________
5.通过直播，青少年有泄露隐私的风险。
By broadcasting，the youth are too much of their privacy.
6.这对他们的生活有消极的影响。
______________________________________________________________
7.任何事物都有两面性，手机视频直播也不例外。
Every coin has two sides and mobile live video broadcasting___________
__________.
On the contrary,40% of them are against it.
at the risk of giving away
It has a negative effect on their life.
is not an
exception
8.它是丰富我们生活的一种时尚方式。
It is a fashionable way .
9.但是我们应该合理使用，防止自己对它上瘾。
But we should wisely use it and____________________________________.
to enrich our life
prevent ourselves from being addicted to it
第三步　句式升级
1.把句2和句3改成not only...but also...结构。
__________________________________________________________________________________________________________________________________________________________________________________________
2.把句5和句6合并成分词作结果状语。
____________________________________________________________________________________________________________________________
3.把句8和句9改成while引导的状语从句。
____________________________________________________________________________________________________________________________
They argue that it is not only a good way to share their life experience with friends and families but also provides them with a stage to show their talents.
By broadcasting，the youth are at the risk of giving away too much of their privacy，having a negative effect on their life.
While it’s a fashionable way to enrich our life，we should make wise use of it and prevent ourselves from being addicted to it.
第四步　组句成篇
用适当的过渡词语，把以上词汇和句式，再加上联想内容，组成一篇英语短文。
[参考范文]
Dear Editor，
I am writing to tell you about my classmates’ opinions about the mobile live video broadcasting among young people.
______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
As for it，opinions vary from person to person.60% of them are for it.They argue that it is not only a good way to share their life experience with their friends and families but also provides them with a stage to show their talents.On the contrary,40% of them are against it.Reasons can be listed as follows.For one thing，it misleads the youth to some degree.
________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
____________________________________________________________________________________________________________________________
____________________________________________________________________________________________________________________________
Perhaps they will misunderstand that they can succeed without any hard work.For another thing，by broadcasting，the youth are at the risk of giving away too much of their privacy，having a negative effect on their life.
To sum up，every coin has two sides and mobile live video broadcasting is not an exception.While it’s a fashionable way to enrich our life，we should make wise use of it and prevent ourselves being addicted to it.
Yours，
Li Hua