人教版高中英语必修4Unit2 Working the land Using Language课件 （共38张）
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| 名称 | 人教版高中英语必修4Unit2 Working the land Using Language课件 （共38张） |  | |
| 格式 | zip | ||
| 文件大小 | 326.3KB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版（新课程标准） | ||
| 科目 | 英语 | ||
| 更新时间 | 2019-05-26 22:04:13 | ||
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课件38张PPT。1.Find the word or phrase from the text for each of these meaning._______ brown (skin) from spending too much time in the sun.
_______ to make something or somebody free of
_______ to become larger in size, number or amount
_______ to make information and ideas known to many people
_____________ would prefer to
_______ to try extremely hard to achieve somethingsunburntrid… of expandcirculateWould ratherstruggle_______ to send things to foreign countries for sale
___________ pleased by having what one wants or needs
_______ to provide with things necessary for a certain purpose
_______ plants grown in large amounts by farmers
_______ because of exportSatisfied withequipcropThanks toKeys to Ex 3.Decade, struggle, expanding, Equipped,
output, grain, crops, battles, disturbing他的话把我搞糊涂了。What he said confused me.confused
confusingJudging from his ________ expression，he didn’t understand the ________ problem referring to teenagers’ mental health.confusedconfusingDon’t confuse the word “weather” with “whether”.把……和……弄混困惑的令人困惑的后悔你做过的事情没有用。很遗憾，我不能接受你的友好邀请。I regret that I am unable to accept your kind invitation.I have always regretted not having studied harder at school.We regret to inform you that your application has not been successful.我们很遗憾的通知您，您的申请未通过。让我们深感遗憾的是，我们认为明年不能去拜访你了。We think，much to our regret，that we will not be able to visit you next year.我一直后悔在校期间没能努力学习。It’s no use regretting what you have done.令人遗憾的是 regret that从句……遗憾地说/告诉/宣布/通知to one’s regretregret doing/having done sth.后悔做了某事regret to say/tell/announce/inform遗憾/后悔……
—Robert is indeed a wise man.
—Oh, yes. How often I have regretted_____
his advice!
A．to take B．taking
C．not to take D．not taking
D解析：regret (not) doing/having done sth.表示“后悔 (没)做 (了)某事”。—Mr Black，what about my application?
—Oh，I regret________you that it hasn’t been successful.
A．telling B．to tell
C．having told D．said
B解析：句意为：——布莱克先生，我的申请如何？——噢，我很遗憾地告诉你，它未通过。由句意可知为“遗憾地要去干某事”，故选择regret to do的形式。build?up?one‘s confidence / strength?build up business / a company建立生意 / 公司 增强信心 / 体质Don’t allow misunderstanding to between you and your partner.
bring up B. take up
C. Build up D. pull up不要让你和你的合伙人之间的误解越积越深。
C. 增强；建立CToo much work and too little rest often leads to illness.导致= result in All roads lead to Rome.（谚）条条大道通罗马。通往As we all know，it is human activity that________
the global warming.
A．has come from B．have come from
C．has led to D．have led to句意为：众所周知，是人类的活动“导致(lead to)”了全球变暖。主句是强调句型，是对主语human activity的强调，谓语动词用单数，故选C项。 focus v. 集中(注意力)；聚焦 n. [C,U ] 焦点；中心点
Focus your camera.把照相机的焦距调准。Her beauty makes her the focus of attention.她长得漂亮, 很惹人注目。focus on 集中于 focus (one’ s attention/mind/efforts) on
集中(注意力/心思/精力)于 Olympus: Focus on life. 奥林巴斯：瞄准生活。You should focus your attention on your work. onfocused ondoing他的眼光集中在电视屏幕上。focused his eyes onHe ____________________ the TV screen.The focus of recent research has been _______ (介词) environmental issues.All eyes _______ _______ (集中于) her.They focused their mind on ______ (do) the experiment.reduce vt. 减轻，减少，减缩, 降低
①Taking a deep breath can reduce stress.
②It’s said that prices of oil will be reduced to 7 yuan.
③It is proper that housing prices are reduced by 10%.
房价降低10%是适当的。据说石油的价格会降到七元。深呼吸可以减轻压力。减少到……减少了……（1）We must reduce our expenses ______ 300 yuan a month.
（2）Their output has been reduced ______ 10 percent.
（3）He reduced his weight ______ 5 kilos.to by by【熟词生义】根据语境选择最佳汉语意思
The rich man was reduced to a beggar.
A. 减轻 B. 减少 C. 沦落答案：C keep...free from/of 使……免受；使……不含
Keep children free from harm. 别让孩子们受到伤害。 keepfree fromkeepfree from(1) We’ ve managed to ________ the garden ________ ______weeds this year.
(2) Relaxation exercises can ________ your body _______ _______ tension.We should keep ourselves free from drugs. 我们应该远离毒品。我们必须确保食物不含人工色素。We must keep the food free from artificial colours. comment vi.&vt. 表达意见；作出评论
n. 评论；议论 make a comment/ comments on对……作出评论No comment！无可奉告！without commemt未作出任何解释[即学即练8](1)Have you any ___________ ______ the proposals？你对这些建议有什么意见吗？ (2)It created ______ ___________ in the press. 这引起报界广泛的评论。 (3)He made some useful ___________ ______ my work. 他对我的作品作了一些实用的评论。 (4)He ____________ that it was an excellent film. 他评论这部电影很精彩。commentsonwidecommentcommentsoncommentedChemical Or Organic Farming?化学耕作 还是
有机耕作？Skim to find the topic sentence or main idea for each paragraph.Long-term use of chemical fertilizers can cause damage to the land and people’s health.
Problems caused by chemical fertilizers
Farmers and customers turn to organic farming.
Other methods to keep the soil fertile.Para 1
Para 2
Para3
para4Part1
Part 2chemical farmingorganic farmingStructure:1 Why are chemical fertilizers so popular in farming today?
2 After the long-term use of chemical fertilizers, what have scientists found?Many farmers welcomed them as a great way to stop crop disease and increase production.
Long-term use of chemical fertilizers can cause damage to the land and , even more dangerous, to people’s health.Recently, however, therefore; meanwhile; anyhow; thus ;otherwise; moreover; besides etc.Para 1Tips: the usage of several adverbs means clear and reasonable connection between parts. Chemical farming
damageaffectlead tohavenutritionkillingbacteriaas well asstayingbuilding upgrowing Read paragraph 2 and find out the problems caused by using chemical fertilizers. There are three problems.First, they can damage … as well as …. They also stay in the … and …. In addition, …grow too fast to …. Tips: connectives（过渡词） and transitional phrases（过渡词） for development first;second; finally;last but not least ,etc.Organic farmingnatural wasteevery few yearsleaveRetell Part 2The same goal:____________________________to grow good food and to avoid damaging the environment or people’s health.
para1: A new discovery of scientists.
para2: Several problems caused by using chemical fertilizers.
para3: The advantages of using organic farming.
para4: Some methods to keep the soil fertile.The structure of this passagePara1 Topic
Para2 Problems
Para3 Advantages
Para4 Several methods
illustration（阐明）
comparison
conclusionThe type of the article is_____________exposition（说明文）
请以“PLASTIC OR CLOTH BAGS?”为题模仿这篇文章的篇章结构和句子结构去写一篇说明文。
Discussion and practicePlastic Or Cloth Bags?
illustration（阐明）
comparison
conclusionPara1:
Para2:
Para3:
Para4: Have a brief illustration of the present situation.
The problems caused by using plastic bags.
The advanages of using cloth bags.
Conclusion.Over the past half century, …have become very common …. …welcomed them as a … way to …. Recently, however, we have been finding that they can cause damage to …, even …, to people’s health.
What are some of the problems caused by …? First,…
With these discoveries, …are beginning to turn to ….
….The following words may help you. Over the past half century, plastic bags have become very common in our daily life. We welcomed them as a convenient way to carry goods. Recently, however, we have been finding that they can cause damage to the environment, even worse, to people’s health. What are some of the problems caused by plastic bags? First, people often leave plastic bags here and there, making white pollution. Second, it takes a long time, more than 100 years ,to be exact, to break up .Last but not least, when heated, plastic bags can produce something harmful, which can build up in our body and eventually lead to cancer or other illnesses. With these discoveries, we are beginning to turn to cloth bags. They can be used many times. People can save a lot of source in this way. It is also a good idea to make some by ourselves, which is interesting.
Let’s use cloth bags in our daily life instead of plastic bags, not only for the environment protection, but also the sake of our health. Recently, however, scientists have been finding that long-term use of these fertilizers can cause damage to the land and, even more dangerous, to people’s health.
have been finding是现在完成进行时。
表示一个动作开始于过去，持续到现在，并强调现在还在进行。然而，最近科学家发现长期使用这些肥料会造成土地受损，甚至更危险的是，会对人们的健康造成危害。
— I have got a headache.
— 我头疼。
— No wonder. You have been working in front of that computer too long.
—难怪你头疼，你在电脑前工作的时间太长了。have been finding是现在完成进行时。
表示一个动作开始于过去，持续到现在，并强调现在还在进行。No wonder you are so tired.
You have been working all day.难怪你这么累，你工作一天了。Because of illness，he has been lying in bed all day.由于生病，他整天都躺在床上。 In addition, fruit, vegetables and other food (grown with chemical fertilizers) usually grow too fast to be full of much nutrition. 另外，施过化肥的水果、蔬菜和其他食物通常因生长得过快而营养不足。in addition意思是“另外，还有”，相当于besidesgrown with chemical fertilizers，
为过去分词短语作后置定语，表示被动
相当一个定语从句“which were grown with chemical fertilizers”。
Crops such as peas or soybeans put important minerals back into the soil, making it ready for crops such as wheat or corn that need rich and fertile soil.
[分析] ①本句结构比较复杂。其主干结构为: 主句________________________
+ 结果状语_______________________________________
②状语中‘make’ 的宾语是________, 指代________, ‘ready for crops such as wheat or corn’ 作_______________成分，‘that need rich and fertile soil’ 作___________成分。Crops put important minerals back into the soil. making it ready for crops such as wheat or corn that need rich and fertile soil. itthe soil宾补定语从句Some organic farmers prefer planting grass between crops [to prevent wind or water from carrying away the soil], and then leaving it in the ground [to become a natural fertilizer for the next year’s crop].
[分析]①本句的主干结构是一个简单句, 其结构是: 主语__________ + 谓语__________ + 并列宾语________________________________ +_____________________________________ 。
②其中between crops和in the ground作__________________。
③两个宾语后面又分别带有一个不定式作目的状语__________________________________ 和_____________________________________。 organic farmerspreferplanting grass between cropsleaving it in the ground地点状语[to prevent wind or water from carrying away the soil][to become a natural fertilizer for the next year’s crop].
_______ to make something or somebody free of
_______ to become larger in size, number or amount
_______ to make information and ideas known to many people
_____________ would prefer to
_______ to try extremely hard to achieve somethingsunburntrid… of expandcirculateWould ratherstruggle_______ to send things to foreign countries for sale
___________ pleased by having what one wants or needs
_______ to provide with things necessary for a certain purpose
_______ plants grown in large amounts by farmers
_______ because of exportSatisfied withequipcropThanks toKeys to Ex 3.Decade, struggle, expanding, Equipped,
output, grain, crops, battles, disturbing他的话把我搞糊涂了。What he said confused me.confused
confusingJudging from his ________ expression，he didn’t understand the ________ problem referring to teenagers’ mental health.confusedconfusingDon’t confuse the word “weather” with “whether”.把……和……弄混困惑的令人困惑的后悔你做过的事情没有用。很遗憾，我不能接受你的友好邀请。I regret that I am unable to accept your kind invitation.I have always regretted not having studied harder at school.We regret to inform you that your application has not been successful.我们很遗憾的通知您，您的申请未通过。让我们深感遗憾的是，我们认为明年不能去拜访你了。We think，much to our regret，that we will not be able to visit you next year.我一直后悔在校期间没能努力学习。It’s no use regretting what you have done.令人遗憾的是 regret that从句……遗憾地说/告诉/宣布/通知to one’s regretregret doing/having done sth.后悔做了某事regret to say/tell/announce/inform遗憾/后悔……
—Robert is indeed a wise man.
—Oh, yes. How often I have regretted_____
his advice!
A．to take B．taking
C．not to take D．not taking
D解析：regret (not) doing/having done sth.表示“后悔 (没)做 (了)某事”。—Mr Black，what about my application?
—Oh，I regret________you that it hasn’t been successful.
A．telling B．to tell
C．having told D．said
B解析：句意为：——布莱克先生，我的申请如何？——噢，我很遗憾地告诉你，它未通过。由句意可知为“遗憾地要去干某事”，故选择regret to do的形式。build?up?one‘s confidence / strength?build up business / a company建立生意 / 公司 增强信心 / 体质Don’t allow misunderstanding to between you and your partner.
bring up B. take up
C. Build up D. pull up不要让你和你的合伙人之间的误解越积越深。
C. 增强；建立CToo much work and too little rest often leads to illness.导致= result in All roads lead to Rome.（谚）条条大道通罗马。通往As we all know，it is human activity that________
the global warming.
A．has come from B．have come from
C．has led to D．have led to句意为：众所周知，是人类的活动“导致(lead to)”了全球变暖。主句是强调句型，是对主语human activity的强调，谓语动词用单数，故选C项。 focus v. 集中(注意力)；聚焦 n. [C,U ] 焦点；中心点
Focus your camera.把照相机的焦距调准。Her beauty makes her the focus of attention.她长得漂亮, 很惹人注目。focus on 集中于 focus (one’ s attention/mind/efforts) on
集中(注意力/心思/精力)于 Olympus: Focus on life. 奥林巴斯：瞄准生活。You should focus your attention on your work. onfocused ondoing他的眼光集中在电视屏幕上。focused his eyes onHe ____________________ the TV screen.The focus of recent research has been _______ (介词) environmental issues.All eyes _______ _______ (集中于) her.They focused their mind on ______ (do) the experiment.reduce vt. 减轻，减少，减缩, 降低
①Taking a deep breath can reduce stress.
②It’s said that prices of oil will be reduced to 7 yuan.
③It is proper that housing prices are reduced by 10%.
房价降低10%是适当的。据说石油的价格会降到七元。深呼吸可以减轻压力。减少到……减少了……（1）We must reduce our expenses ______ 300 yuan a month.
（2）Their output has been reduced ______ 10 percent.
（3）He reduced his weight ______ 5 kilos.to by by【熟词生义】根据语境选择最佳汉语意思
The rich man was reduced to a beggar.
A. 减轻 B. 减少 C. 沦落答案：C keep...free from/of 使……免受；使……不含
Keep children free from harm. 别让孩子们受到伤害。 keepfree fromkeepfree from(1) We’ ve managed to ________ the garden ________ ______weeds this year.
(2) Relaxation exercises can ________ your body _______ _______ tension.We should keep ourselves free from drugs. 我们应该远离毒品。我们必须确保食物不含人工色素。We must keep the food free from artificial colours. comment vi.&vt. 表达意见；作出评论
n. 评论；议论 make a comment/ comments on对……作出评论No comment！无可奉告！without commemt未作出任何解释[即学即练8](1)Have you any ___________ ______ the proposals？你对这些建议有什么意见吗？ (2)It created ______ ___________ in the press. 这引起报界广泛的评论。 (3)He made some useful ___________ ______ my work. 他对我的作品作了一些实用的评论。 (4)He ____________ that it was an excellent film. 他评论这部电影很精彩。commentsonwidecommentcommentsoncommentedChemical Or Organic Farming?化学耕作 还是
有机耕作？Skim to find the topic sentence or main idea for each paragraph.Long-term use of chemical fertilizers can cause damage to the land and people’s health.
Problems caused by chemical fertilizers
Farmers and customers turn to organic farming.
Other methods to keep the soil fertile.Para 1
Para 2
Para3
para4Part1
Part 2chemical farmingorganic farmingStructure:1 Why are chemical fertilizers so popular in farming today?
2 After the long-term use of chemical fertilizers, what have scientists found?Many farmers welcomed them as a great way to stop crop disease and increase production.
Long-term use of chemical fertilizers can cause damage to the land and , even more dangerous, to people’s health.Recently, however, therefore; meanwhile; anyhow; thus ;otherwise; moreover; besides etc.Para 1Tips: the usage of several adverbs means clear and reasonable connection between parts. Chemical farming
damageaffectlead tohavenutritionkillingbacteriaas well asstayingbuilding upgrowing Read paragraph 2 and find out the problems caused by using chemical fertilizers. There are three problems.First, they can damage … as well as …. They also stay in the … and …. In addition, …grow too fast to …. Tips: connectives（过渡词） and transitional phrases（过渡词） for development first;second; finally;last but not least ,etc.Organic farmingnatural wasteevery few yearsleaveRetell Part 2The same goal:____________________________to grow good food and to avoid damaging the environment or people’s health.
para1: A new discovery of scientists.
para2: Several problems caused by using chemical fertilizers.
para3: The advantages of using organic farming.
para4: Some methods to keep the soil fertile.The structure of this passagePara1 Topic
Para2 Problems
Para3 Advantages
Para4 Several methods
illustration（阐明）
comparison
conclusionThe type of the article is_____________exposition（说明文）
请以“PLASTIC OR CLOTH BAGS?”为题模仿这篇文章的篇章结构和句子结构去写一篇说明文。
Discussion and practicePlastic Or Cloth Bags?
illustration（阐明）
comparison
conclusionPara1:
Para2:
Para3:
Para4: Have a brief illustration of the present situation.
The problems caused by using plastic bags.
The advanages of using cloth bags.
Conclusion.Over the past half century, …have become very common …. …welcomed them as a … way to …. Recently, however, we have been finding that they can cause damage to …, even …, to people’s health.
What are some of the problems caused by …? First,…
With these discoveries, …are beginning to turn to ….
….The following words may help you. Over the past half century, plastic bags have become very common in our daily life. We welcomed them as a convenient way to carry goods. Recently, however, we have been finding that they can cause damage to the environment, even worse, to people’s health. What are some of the problems caused by plastic bags? First, people often leave plastic bags here and there, making white pollution. Second, it takes a long time, more than 100 years ,to be exact, to break up .Last but not least, when heated, plastic bags can produce something harmful, which can build up in our body and eventually lead to cancer or other illnesses. With these discoveries, we are beginning to turn to cloth bags. They can be used many times. People can save a lot of source in this way. It is also a good idea to make some by ourselves, which is interesting.
Let’s use cloth bags in our daily life instead of plastic bags, not only for the environment protection, but also the sake of our health. Recently, however, scientists have been finding that long-term use of these fertilizers can cause damage to the land and, even more dangerous, to people’s health.
have been finding是现在完成进行时。
表示一个动作开始于过去，持续到现在，并强调现在还在进行。然而，最近科学家发现长期使用这些肥料会造成土地受损，甚至更危险的是，会对人们的健康造成危害。
— I have got a headache.
— 我头疼。
— No wonder. You have been working in front of that computer too long.
—难怪你头疼，你在电脑前工作的时间太长了。have been finding是现在完成进行时。
表示一个动作开始于过去，持续到现在，并强调现在还在进行。No wonder you are so tired.
You have been working all day.难怪你这么累，你工作一天了。Because of illness，he has been lying in bed all day.由于生病，他整天都躺在床上。 In addition, fruit, vegetables and other food (grown with chemical fertilizers) usually grow too fast to be full of much nutrition. 另外，施过化肥的水果、蔬菜和其他食物通常因生长得过快而营养不足。in addition意思是“另外，还有”，相当于besidesgrown with chemical fertilizers，
为过去分词短语作后置定语，表示被动
相当一个定语从句“which were grown with chemical fertilizers”。
Crops such as peas or soybeans put important minerals back into the soil, making it ready for crops such as wheat or corn that need rich and fertile soil.
[分析] ①本句结构比较复杂。其主干结构为: 主句________________________
+ 结果状语_______________________________________
②状语中‘make’ 的宾语是________, 指代________, ‘ready for crops such as wheat or corn’ 作_______________成分，‘that need rich and fertile soil’ 作___________成分。Crops put important minerals back into the soil. making it ready for crops such as wheat or corn that need rich and fertile soil. itthe soil宾补定语从句Some organic farmers prefer planting grass between crops [to prevent wind or water from carrying away the soil], and then leaving it in the ground [to become a natural fertilizer for the next year’s crop].
[分析]①本句的主干结构是一个简单句, 其结构是: 主语__________ + 谓语__________ + 并列宾语________________________________ +_____________________________________ 。
②其中between crops和in the ground作__________________。
③两个宾语后面又分别带有一个不定式作目的状语__________________________________ 和_____________________________________。 organic farmerspreferplanting grass between cropsleaving it in the ground地点状语[to prevent wind or water from carrying away the soil][to become a natural fertilizer for the next year’s crop].
同课章节目录