人教版（2019）选择性必修 第一册Unit 5 Working the LandUsing Language 课件 （30张ppt)
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| 名称 | 人教版（2019）选择性必修 第一册Unit 5 Working the LandUsing Language 课件 （30张ppt) |  | |
| 格式 | zip | ||
| 文件大小 | 2.2MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2021-10-20 16:48:23 | ||
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内容文字预览
(共30张PPT)
Chemical Versus Organic Farming
化学与有机农业的比较
[ v s s]
versus
prep.与…相对;与…对阵
各段长难句和短语
第一段：
3.Over time, however, what some scientists have found is that their long-term use can sometimes harm both the land and peoples’ health.
短语：
1. 被广泛使用
be in widespread use
2. 首次被引入
be first introduced
3. 做某事的好方法
a great way to do sth
4. 随着时间的推移
over time
第二段：
3.This affects the crops grown on the land and, in turn, the animals and humans who digest them.
in turn ①轮流②相应地
①When you play cards, each plays in turn.
②Working outside can mean too much sun exposure, which in turn can lead to skin cancer.
by turns轮流
take turns to do sth轮流做某事
It’s one’s turn to do sth轮到某人做某事
①Sam and I drove cars ______ turns.
②In our class, we take turns ________(do) the duty report.
by
to do
5. In fact, some pesticides like DDT have been prohibited in most countries because of the damage they cause to people and the environment.
定语从句，省略了引导词that/which
6. As for chemical fertilisers, crops grown with them usually grow too fast to be rich in nutrition.
grow--grew--grown
growth
短语：
1. 通过做某事 by doing sth
2. 此外 in addition
3. 至于，关于as for
4. 化肥chemical fertiliser
5. 富含营养be rich in nutrition
6. 必要的矿物质essential minerals
7. 口味不足have less flavour
8. 也as well
第三段：
短语：
1. 转向 swith to/turn to
2. 聚焦于 focus on
3. 没有疾病 free of disease
4. means单复同形
第四段：
2. They often change the kind of crop grown in each field every year.
4. Why different crops are grown is because they put important minerals back into the ground, making it ready again for the next batch of crops.
短语：
1. 比如 for instance
2. 不同层次的土壤
different depths of soil
3. 扎根很深 put down deep roots
4. 避免破坏环境 avoid damage to the
environment
第五段：
2. What keeps them from doing so is the fact that chemical farming serves the high demand for food around the world.
阻止他们这样做的原因是，化学农业服务于全世界对食物的高需求。
3. Organic farming is nowhere near able to meet that need. 绝不可能...
满足那一需求
4. Therefore, 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.
课文知识点
1. not only ...but (also)...
She ont only _____ (write) the text
but also seltcted the illustrations.
[ l stre n] n.插图
Not only my friend but also I ____
(be) present at the conference. 就近
wrote
am
2. make+宾语+宾补
名词/介词短语/形容词
动词原形/过去分词
The boss made them ______ day
and night. 老板让他们日夜工作。
work
The experience will make him
_______. 这次经历会让他成为一个男子汉。
a man
Can you make yourself ________
(understand) in Russian
Nothing will make me _________ (change) my mind.
Tom asked the candy-maker if they could make the chocolate easier ________. (break)
understood
change
to break
3. 现在分词做结果状语
Many people moved to New York,
making it the largest city in the
USA.
His parents died early, leaving him
an orphan.
He fell off the bike, _____________
______________. 头撞到一块大石
头上。
More highways have been built in China, _____________ (使...更容易）for people to travel from one place to another.
knocking his
making it easier
head on a rock
4. 同位语从句
I have no idea__________________
in the next room now.她在干什么
There arose the question _________
_______________.我们到哪里弄贷
款。
what she is doing
where we
could get a loan
[l n]
My original question, ____________,
has not been answered.
why she did that
Chemical Versus Organic Farming
化学与有机农业的比较
[ v s s]
versus
prep.与…相对;与…对阵
各段长难句和短语
第一段：
3.Over time, however, what some scientists have found is that their long-term use can sometimes harm both the land and peoples’ health.
短语：
1. 被广泛使用
be in widespread use
2. 首次被引入
be first introduced
3. 做某事的好方法
a great way to do sth
4. 随着时间的推移
over time
第二段：
3.This affects the crops grown on the land and, in turn, the animals and humans who digest them.
in turn ①轮流②相应地
①When you play cards, each plays in turn.
②Working outside can mean too much sun exposure, which in turn can lead to skin cancer.
by turns轮流
take turns to do sth轮流做某事
It’s one’s turn to do sth轮到某人做某事
①Sam and I drove cars ______ turns.
②In our class, we take turns ________(do) the duty report.
by
to do
5. In fact, some pesticides like DDT have been prohibited in most countries because of the damage they cause to people and the environment.
定语从句，省略了引导词that/which
6. As for chemical fertilisers, crops grown with them usually grow too fast to be rich in nutrition.
grow--grew--grown
growth
短语：
1. 通过做某事 by doing sth
2. 此外 in addition
3. 至于，关于as for
4. 化肥chemical fertiliser
5. 富含营养be rich in nutrition
6. 必要的矿物质essential minerals
7. 口味不足have less flavour
8. 也as well
第三段：
短语：
1. 转向 swith to/turn to
2. 聚焦于 focus on
3. 没有疾病 free of disease
4. means单复同形
第四段：
2. They often change the kind of crop grown in each field every year.
4. Why different crops are grown is because they put important minerals back into the ground, making it ready again for the next batch of crops.
短语：
1. 比如 for instance
2. 不同层次的土壤
different depths of soil
3. 扎根很深 put down deep roots
4. 避免破坏环境 avoid damage to the
environment
第五段：
2. What keeps them from doing so is the fact that chemical farming serves the high demand for food around the world.
阻止他们这样做的原因是，化学农业服务于全世界对食物的高需求。
3. Organic farming is nowhere near able to meet that need. 绝不可能...
满足那一需求
4. Therefore, 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.
课文知识点
1. not only ...but (also)...
She ont only _____ (write) the text
but also seltcted the illustrations.
[ l stre n] n.插图
Not only my friend but also I ____
(be) present at the conference. 就近
wrote
am
2. make+宾语+宾补
名词/介词短语/形容词
动词原形/过去分词
The boss made them ______ day
and night. 老板让他们日夜工作。
work
The experience will make him
_______. 这次经历会让他成为一个男子汉。
a man
Can you make yourself ________
(understand) in Russian
Nothing will make me _________ (change) my mind.
Tom asked the candy-maker if they could make the chocolate easier ________. (break)
understood
change
to break
3. 现在分词做结果状语
Many people moved to New York,
making it the largest city in the
USA.
His parents died early, leaving him
an orphan.
He fell off the bike, _____________
______________. 头撞到一块大石
头上。
More highways have been built in China, _____________ (使...更容易）for people to travel from one place to another.
knocking his
making it easier
head on a rock
4. 同位语从句
I have no idea__________________
in the next room now.她在干什么
There arose the question _________
_______________.我们到哪里弄贷
款。
what she is doing
where we
could get a loan
[l n]
My original question, ____________,
has not been answered.
why she did that