人教版（2019）选择性必修第一册Unit 5 Working the Land Language points 课件(共27张PPT)
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| 名称 | 人教版（2019）选择性必修第一册Unit 5 Working the Land Language points 课件(共27张PPT) |  | |
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(共27张PPT)
Unit5 Language points of
Using language
Subject Clause 主语从句
(1) It makes no difference you support my plan or not.
(2) you do should do no harm to others.
(3) It is suggested the work（should）be done with great care.
(4) （谁将去接他）is not decided.
(5) （哪个班级会赢得这场足球赛）is not clear.
(6) （他能否买到飞机票）doesn’t matter much.
(7) （我们将如何去那里）is a question.
(8) （你刚才告诉我的）was really a surprise.
(9) （他什么时候出国） is being discussed.
(10) （他为什么哭）is not clear.
whether
that
Whatever
Who will pick him up
Which class will win the football match
Whether he can buy the plane ticket
How we will go there
What you told me just now
When he will go abroad
Why he cries
(1) （一定的） we shall be late.
(2) (明显的) that the driver could not control his car.
(3) Is it possible that they （come）tomorrow
(4) （很显然） he is telling the truth.
(5) (令她有点担心的是)her hair was turning grey.
(6) （使我震惊的是）me that Peter didn’t tell anybody where he was.
(7) （都没有关系）whether he likes it or not.
(8) （结果是） we were wrong.
It worried her a bit that
It turned out that
It was obvious
will come
It is clear that
It shocked me that
It doesn’t matter
It is certain that
UNIT 5 WORKING THE LAND
Section C Using Language & Assessing
Your Progress
Chemical Versus （VS）Organic Farming
化学耕作与有机耕作
Chemical pesticides and artificial fertilisers have been in widespread use in farming since the middle of the 20th century.
自二十世纪中叶以来，化学农药和人工肥料便广泛应用于耕作。
1. in/out of/use：〔机器、场所等〕不/在使用中
be in daily use被日常使用
Over time, however, what some scientists have found is that their long-term use can sometimes harm both the land and peoples’ health.
然而，随着时间的推移，一些科学家发现，长期使用它们有时会危害土地和人类健康。
2. over time: 渐渐地，慢慢地 gradually; 随着时间的流逝
over在（整个）…期间
I've come to understand him better over the years.
经过多年， 我现在对他有了更深刻的了解。
This affects the crops grown on the land and, in turn, the animals and humans who digest them.
这会影响土里种植的作物，继而影响消化这些作物的人畜。
3. in turn 相应地;转而: as a result of something
依次;轮流following one after another in a particular order
in return (for) 作为回报;作为回应
by turns 轮流；交替: 〔表现某些情感或特质〕
take turns (doing sth./ to do sth. / in doing sth.) 依次；轮流
1) Theory is based on practice and ____________serves practice.
2) She laughed and cried _______________. 她笑一阵又哭一阵。
3) He helps out and expects nothing ___________.
4) The children called out their names ___________turn.
5) This book is， turns，funny and sad.
6 )Two days after the operation，Dad took a turn the worse.
in turn
by turns
in return
in
by
for
情况恶化（注意：the worse）
4. digest vt.＆vi.消化 vt .领会;领悟 think over, understand
n.[c]摘要;文摘: Reader’s Digest《读者文摘（美版）》
She read everything, ______________ every fragment of news.
她什么都读，新闻中的任何只言片语都要一一揣摩。
Some books are to be tasted ,others to be swallowed, and some few to be chewed and digested.
书有可浅尝者，有可吞食者，少数则须咀嚼消化。
—— F.培根
digesting
In fact, some pesticides like DDT have been prohibited in most countries because of the damage they cause to people and the environment.
事实上，由于对人类和环境有害，“滴滴涕”等农药在大多数国家已被禁用。
As for chemical fertilisers, crops grown with them usually grow too fast to be rich in nutrition.
至于化学肥料，用其施肥的作物通常生长过快而营养不足。
---as for : used to start talking about sb/sth 至于；关于regarding
--- be rich in / with 富含…的
He had a life rich with blessings.
他一生多福。
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.
此类作物外表靓丽，而内里却经常是水分多于必需矿物质，并且往往口感较差。
5. essential (to/ for )adj.完全必要的;极其重要的important, necessary
---学案p.95/2.
1) It is essential (that )our pilots _____________________the best possible training
我们的飞行员要受到最好的培训，这是必不可少的。
2) It is essential that you are sure what your goals are
你必须明白自己的目标是什么。
. —现代英语也有人用陈述语气。
(should) be given
3) It is essential (for sb.) to do sth. （某人）
做某事是完全必要的
请（你）务必准时到达。
It‘s essential （for you) to arrive on time.
4) essentials n.必需品; 必不可少的东西
the essentials 要点，要素:
She packed a few essentials and headed for the airport.
她拿了一些生活必需品就直奔机场。
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.
作为一种选择，一些农户已经改用有机耕作，许多顾客在当地杂货店购物时也转而选择有机食品。
6. alternative n. & adj. (学案P -3)
（1）n. 可供选择的事物
have no alternative/choice/option but to do...别无选择，只好做某事
can’t choose but to do...
（2）adj.（仅用于名词前）可供替代的，可供选择的；非传统的
alternative energy 替代性能源
alternative suggestions 可供选择的建议
The police （别无选择只好释放他） without enough evidence.
had no alternative but to set the man free
Organic farmers focus on keeping their soil rich and free of disease through natural means.
有机耕作的农民注重通过天然的方法保持土壤肥沃，没有病害。
7.(be) free of /from 免于；不遭受;没有
free of charge = for free免费地
free of worries 无忧无虑
For instance（for example）, they may grow corn or wheat in a field one year, and then grow beans there the next.
例如，他们可能一年在田里种植玉米或小麦，第二年改种豆类。
8. instance n.[c] 例子;实例;事例 (case)---学案p.96/4.
instance where
instances ______________________________________
遵守安全规章的例子
where safety regulations are observed
Why different crops are grown is because they put important minerals back into the ground, making it ready again for the next batch (一批)of crops.
种植不同作物的原因，是为了把重要的矿物质重新放回土壤之中，让土壤为下一批作物(的种植)做好准备。(结果状语）
Organic farmers also plant diverse crops that use different depths of soil to help keep it rich.
有机耕作的农民也种植土壤深度要求不同的多样化作物，以保持土壤肥沃。
9. depth n. 向下（或向里）的距离；深（度）；
the depths 最深处；深渊；极限
to / at a depth of 500meters 到/在500米的深度
the depths of the ocean / countryside / forest etc
海洋深处/偏远的乡村/森林深处等:
The memory lies hidden in the depths of her mind。
那段记忆隐藏在她的脑海深处。
She was in the depths of despair.
她处于绝望的深渊。
in depth 全面，深入，详细
a metre/foot in depth 一米 / 一英尺深
I haven’t looked at the report in depth yet.
deeply adv. 很深地；深刻地
depth n.深(度)
deepen v.变深
adj deep high wide long strong broad
n. depth height width length strength breadth
v. deepen heighten widen lengthen strengthen broaden
(1) In this experiment the brave person had spent 130 days in a cave, 30 feet depth.
(2) It is not （long） of life，but depth of life that matters.
(3) Within a moment or two，its body was dragged swiftly by the killers down into （海的深处）.
(4) The young man dived to （深度）40 feet.
the depths of the sea
in
length
a depth of
deep /deeply adv.
deep 可以用作副词，跟 deeply 在意义上没有多大的区别，作“深深的”解,但要注意：
在具体或有形的意味上要用deep：
go deep into the jungle
2. 在比喻的意味上要用deeply（=greatly） “非常”
deeply + adj./adv./ v-ed/ 介词短语; v. + deeply
deeply grateful非常感激 / be deep in thought；deeply shocked大为震惊
3. 习惯用法：
study / work deep into the night
Still waters run deep. 静水流深；木讷寡言者也许胸藏丘壑
For example, peanuts grow on the ground's surface, but many other vegetables put down deep roots.
例如，花生长在土壤表层，而许多其他蔬菜则扎根于土壤深处。
10. root n. [c]根;根茎;根部;根源;
vt. 使生根; 使（某人）无法移动
put down roots (植物) 生根; 扎根〔某地〕; 定居
get to the root of the problem 找到问题的根源
rooted to the spot / floor etc
〔震惊、惊讶或害怕得〕呆住不动; 呆若木鸡，一动不动:
She ______________________,___________________
她呆若木鸡地站着盯住他看。
stood rooted to the spot, staring at him.
What keeps them from doing so is the fact that（同位语从句
） chemical farming serves the high demand for food around the world.
他们不能如愿的原因是化学耕作满足了全世界对食物的高需求。
11. serve vt. 对…有用；能满足…的需要
How can we best _________________________________
我们怎样才最能满足后代子孙的需要？
His old bike has served him well.
他那辆旧自行车对他很有用。
serve the needs of future generations
同位语从句
(1) When (消息传来)the war broke out，he decided to serve in the army.
(2) Do you have evidence this treatment works
(3) The only way to succeed at the highest level is to have total belief you are better than anyone else on the sports field.
(4)I heard （我们队赢得比赛的消息）.
(5)He must answer the question _________ he agrees to the plan or not.
the news came that
that
that
the news that our team had won
whether
Organic farming is nowhere near able to meet that need.
而有机耕作还远远不能满足这一需求。
12.nowhere near（= far from; not at all : not nearly)
1) 远远不；完全不；远不及 2) 离〔某地方〕很远--Textbookp.102/6.
The house is ___________________.
房子离完工还早呢。
He _____________________________on the night she died.
在她死的当夜，他根本不在她家附近。
You can get nowhere without an objective in life.
人生如果没有目标，将一事无成。
nowhere near finished
was nowhere near her home
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.
因此，想要找到一个合适的解决方案，使人类和环境尽可能保持健康，又让人们有足够的食物可吃，这还有很长的路要走。
13. a long way很长的距离；很远的路途(常在各种短语中用作比喻)
We've done a lot of work, but we have a long way to go. [=we still have a lot of work to do]
我们已经做了大量工作，但还有很多要做( 还有很长的路要走；还有很大差距) 。
Unit5 Language points of
Using language
Subject Clause 主语从句
(1) It makes no difference you support my plan or not.
(2) you do should do no harm to others.
(3) It is suggested the work（should）be done with great care.
(4) （谁将去接他）is not decided.
(5) （哪个班级会赢得这场足球赛）is not clear.
(6) （他能否买到飞机票）doesn’t matter much.
(7) （我们将如何去那里）is a question.
(8) （你刚才告诉我的）was really a surprise.
(9) （他什么时候出国） is being discussed.
(10) （他为什么哭）is not clear.
whether
that
Whatever
Who will pick him up
Which class will win the football match
Whether he can buy the plane ticket
How we will go there
What you told me just now
When he will go abroad
Why he cries
(1) （一定的） we shall be late.
(2) (明显的) that the driver could not control his car.
(3) Is it possible that they （come）tomorrow
(4) （很显然） he is telling the truth.
(5) (令她有点担心的是)her hair was turning grey.
(6) （使我震惊的是）me that Peter didn’t tell anybody where he was.
(7) （都没有关系）whether he likes it or not.
(8) （结果是） we were wrong.
It worried her a bit that
It turned out that
It was obvious
will come
It is clear that
It shocked me that
It doesn’t matter
It is certain that
UNIT 5 WORKING THE LAND
Section C Using Language & Assessing
Your Progress
Chemical Versus （VS）Organic Farming
化学耕作与有机耕作
Chemical pesticides and artificial fertilisers have been in widespread use in farming since the middle of the 20th century.
自二十世纪中叶以来，化学农药和人工肥料便广泛应用于耕作。
1. in/out of/use：〔机器、场所等〕不/在使用中
be in daily use被日常使用
Over time, however, what some scientists have found is that their long-term use can sometimes harm both the land and peoples’ health.
然而，随着时间的推移，一些科学家发现，长期使用它们有时会危害土地和人类健康。
2. over time: 渐渐地，慢慢地 gradually; 随着时间的流逝
over在（整个）…期间
I've come to understand him better over the years.
经过多年， 我现在对他有了更深刻的了解。
This affects the crops grown on the land and, in turn, the animals and humans who digest them.
这会影响土里种植的作物，继而影响消化这些作物的人畜。
3. in turn 相应地;转而: as a result of something
依次;轮流following one after another in a particular order
in return (for) 作为回报;作为回应
by turns 轮流；交替: 〔表现某些情感或特质〕
take turns (doing sth./ to do sth. / in doing sth.) 依次；轮流
1) Theory is based on practice and ____________serves practice.
2) She laughed and cried _______________. 她笑一阵又哭一阵。
3) He helps out and expects nothing ___________.
4) The children called out their names ___________turn.
5) This book is， turns，funny and sad.
6 )Two days after the operation，Dad took a turn the worse.
in turn
by turns
in return
in
by
for
情况恶化（注意：the worse）
4. digest vt.＆vi.消化 vt .领会;领悟 think over, understand
n.[c]摘要;文摘: Reader’s Digest《读者文摘（美版）》
She read everything, ______________ every fragment of news.
她什么都读，新闻中的任何只言片语都要一一揣摩。
Some books are to be tasted ,others to be swallowed, and some few to be chewed and digested.
书有可浅尝者，有可吞食者，少数则须咀嚼消化。
—— F.培根
digesting
In fact, some pesticides like DDT have been prohibited in most countries because of the damage they cause to people and the environment.
事实上，由于对人类和环境有害，“滴滴涕”等农药在大多数国家已被禁用。
As for chemical fertilisers, crops grown with them usually grow too fast to be rich in nutrition.
至于化学肥料，用其施肥的作物通常生长过快而营养不足。
---as for : used to start talking about sb/sth 至于；关于regarding
--- be rich in / with 富含…的
He had a life rich with blessings.
他一生多福。
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.
此类作物外表靓丽，而内里却经常是水分多于必需矿物质，并且往往口感较差。
5. essential (to/ for )adj.完全必要的;极其重要的important, necessary
---学案p.95/2.
1) It is essential (that )our pilots _____________________the best possible training
我们的飞行员要受到最好的培训，这是必不可少的。
2) It is essential that you are sure what your goals are
你必须明白自己的目标是什么。
. —现代英语也有人用陈述语气。
(should) be given
3) It is essential (for sb.) to do sth. （某人）
做某事是完全必要的
请（你）务必准时到达。
It‘s essential （for you) to arrive on time.
4) essentials n.必需品; 必不可少的东西
the essentials 要点，要素:
She packed a few essentials and headed for the airport.
她拿了一些生活必需品就直奔机场。
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.
作为一种选择，一些农户已经改用有机耕作，许多顾客在当地杂货店购物时也转而选择有机食品。
6. alternative n. & adj. (学案P -3)
（1）n. 可供选择的事物
have no alternative/choice/option but to do...别无选择，只好做某事
can’t choose but to do...
（2）adj.（仅用于名词前）可供替代的，可供选择的；非传统的
alternative energy 替代性能源
alternative suggestions 可供选择的建议
The police （别无选择只好释放他） without enough evidence.
had no alternative but to set the man free
Organic farmers focus on keeping their soil rich and free of disease through natural means.
有机耕作的农民注重通过天然的方法保持土壤肥沃，没有病害。
7.(be) free of /from 免于；不遭受;没有
free of charge = for free免费地
free of worries 无忧无虑
For instance（for example）, they may grow corn or wheat in a field one year, and then grow beans there the next.
例如，他们可能一年在田里种植玉米或小麦，第二年改种豆类。
8. instance n.[c] 例子;实例;事例 (case)---学案p.96/4.
instance where
instances ______________________________________
遵守安全规章的例子
where safety regulations are observed
Why different crops are grown is because they put important minerals back into the ground, making it ready again for the next batch (一批)of crops.
种植不同作物的原因，是为了把重要的矿物质重新放回土壤之中，让土壤为下一批作物(的种植)做好准备。(结果状语）
Organic farmers also plant diverse crops that use different depths of soil to help keep it rich.
有机耕作的农民也种植土壤深度要求不同的多样化作物，以保持土壤肥沃。
9. depth n. 向下（或向里）的距离；深（度）；
the depths 最深处；深渊；极限
to / at a depth of 500meters 到/在500米的深度
the depths of the ocean / countryside / forest etc
海洋深处/偏远的乡村/森林深处等:
The memory lies hidden in the depths of her mind。
那段记忆隐藏在她的脑海深处。
She was in the depths of despair.
她处于绝望的深渊。
in depth 全面，深入，详细
a metre/foot in depth 一米 / 一英尺深
I haven’t looked at the report in depth yet.
deeply adv. 很深地；深刻地
depth n.深(度)
deepen v.变深
adj deep high wide long strong broad
n. depth height width length strength breadth
v. deepen heighten widen lengthen strengthen broaden
(1) In this experiment the brave person had spent 130 days in a cave, 30 feet depth.
(2) It is not （long） of life，but depth of life that matters.
(3) Within a moment or two，its body was dragged swiftly by the killers down into （海的深处）.
(4) The young man dived to （深度）40 feet.
the depths of the sea
in
length
a depth of
deep /deeply adv.
deep 可以用作副词，跟 deeply 在意义上没有多大的区别，作“深深的”解,但要注意：
在具体或有形的意味上要用deep：
go deep into the jungle
2. 在比喻的意味上要用deeply（=greatly） “非常”
deeply + adj./adv./ v-ed/ 介词短语; v. + deeply
deeply grateful非常感激 / be deep in thought；deeply shocked大为震惊
3. 习惯用法：
study / work deep into the night
Still waters run deep. 静水流深；木讷寡言者也许胸藏丘壑
For example, peanuts grow on the ground's surface, but many other vegetables put down deep roots.
例如，花生长在土壤表层，而许多其他蔬菜则扎根于土壤深处。
10. root n. [c]根;根茎;根部;根源;
vt. 使生根; 使（某人）无法移动
put down roots (植物) 生根; 扎根〔某地〕; 定居
get to the root of the problem 找到问题的根源
rooted to the spot / floor etc
〔震惊、惊讶或害怕得〕呆住不动; 呆若木鸡，一动不动:
She ______________________,___________________
她呆若木鸡地站着盯住他看。
stood rooted to the spot, staring at him.
What keeps them from doing so is the fact that（同位语从句
） chemical farming serves the high demand for food around the world.
他们不能如愿的原因是化学耕作满足了全世界对食物的高需求。
11. serve vt. 对…有用；能满足…的需要
How can we best _________________________________
我们怎样才最能满足后代子孙的需要？
His old bike has served him well.
他那辆旧自行车对他很有用。
serve the needs of future generations
同位语从句
(1) When (消息传来)the war broke out，he decided to serve in the army.
(2) Do you have evidence this treatment works
(3) The only way to succeed at the highest level is to have total belief you are better than anyone else on the sports field.
(4)I heard （我们队赢得比赛的消息）.
(5)He must answer the question _________ he agrees to the plan or not.
the news came that
that
that
the news that our team had won
whether
Organic farming is nowhere near able to meet that need.
而有机耕作还远远不能满足这一需求。
12.nowhere near（= far from; not at all : not nearly)
1) 远远不；完全不；远不及 2) 离〔某地方〕很远--Textbookp.102/6.
The house is ___________________.
房子离完工还早呢。
He _____________________________on the night she died.
在她死的当夜，他根本不在她家附近。
You can get nowhere without an objective in life.
人生如果没有目标，将一事无成。
nowhere near finished
was nowhere near her home
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.
因此，想要找到一个合适的解决方案，使人类和环境尽可能保持健康，又让人们有足够的食物可吃，这还有很长的路要走。
13. a long way很长的距离；很远的路途(常在各种短语中用作比喻)
We've done a lot of work, but we have a long way to go. [=we still have a lot of work to do]
我们已经做了大量工作，但还有很多要做( 还有很长的路要走；还有很大差距) 。