外研版英语必修3同步教学课件：Module 4 Sandstorms in Asia Section Ⅰ Introduction,Reading & Vocabulary课件
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| 名称 | 外研版英语必修3同步教学课件：Module 4 Sandstorms in Asia Section Ⅰ Introduction,Reading & Vocabulary课件 |  | |
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| 科目 | 英语 | ||
| 更新时间 | 2017-01-01 22:30:33 | ||
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课件38张PPT。Module 4 Sandstorms in AsiaA Speech about Sandstorm
Good afternoon,ladies and gentlemen!
Today I’m going to talk about sandstorm.
Sandstorm is a kind of bad weather which is becoming increasingly common in Northwestern China,and it usually happens in spring and fall.Though I’m only 13,I have experienced it and suffered from it quite a lot.
I’m sure most people still remember the sandstorm that happened last month.It swept across the large area of 11 provinces and caused a great loss to our nation.
As you can see on TV,when a sandstorm comes,the wind blows strongly with dust and sand.Sometimes trees are even broken down in half,and little birds cannot find their homes. Sometimes clouds of dust are so thick that little kids cannot find their ways.It’s like the end of the world.We love beautiful spring.We cherish1 bright sunshine.But sandstorms destroy all the lovely things.Yet we know it is Mother Nature’s revenge2 on what we have done to her.In order to see blue sky and sunny spring again,we should plant more trees and more grass to protect the environment.And it is not too late if we start right now.
Though it’s a hard job to fight against the sandstorm,it is a battle we must fight,and it is a battle we must win!
Thank you!
单词注释
1.cherish v.珍惜
2.revenge n.报复,复仇难句剖析
Yet we know it is Mother Nature’s revenge on what we have done to her.
然而我们知道沙尘暴是大自然母亲对我们对她所做的一切进行的报复。
know后跟的是宾语从句,其中what引导的名词性从句作介词on的宾语。
导读诱思
1.What happens when there is a sandstorm according to the passage?
2.What can we do to prevent the sandstorm?答案:The wind blows strongly with dust and sand.Trees are sometimes broken down in half.Birds can’t find their homes and little kids can’t find their ways.答案:We should plant more trees and grass. Section Ⅰ Introduction,Reading & Vocabulary一二三四五一、根据英文释义选出相应单词
mass campaign sandstorm frightening dust forecast process citizen strength mask
1. a storm in a desert in which sand is blown into the air by strong winds?
2. causing fear or terror?
3. a large number/amount of?
4. a series of planned movements that are intended to achieve social,commercial or political aim?
5. a series of actions that are done in order to achieve a particular result?
6. someone who lives in a particular town,country,or state?sandstormfrightening mass campaign process citizen 一二三四五7. the very small pieces of dirt?
8. to say what is likely to happen in the future,based on the information that you have now?
9. the quality of being physically strong?
10. a piece of cloth or other material that you wear over all or part of your face to protect you from germs or harmful substances?dust forecast strength mask 一二三四五二、短语翻译
1.cut down ?
2.be caught in ?
3.as a result of ?
4.because of ?
5.one after another ?
6.sweep away ?
7.advise sb.(not)to do sth. ?
8.prevent sb. (from) doing sth. ?砍倒 突然遭遇(风暴等) 由于 因为,由于 一个接一个地 清除掉 建议某人(不)做某事 阻止某人做某事 一二三四五三、阅读课文Sandstorms in Asia,选择最佳答案
1.What is the best description about a sandstorm according to the passage?
A.It is a major disaster for many Asian countries for centuries.
B.It is a strong dry wind carrying sand.
C.It is a way to cause land to become desert.
D.It is a kind of natural disaster that can’t be treated.答案:B 一二三四五2.What is the main reason for the increase of sandstorms in China recently?
A.It is close to many deserts.
B.The worsening of the weather in China.
C.It is a result of desertification.
D.People plant trees and dig up grass.
3.What effects are sandstorms bringing to people living in cities?
A.The whole city is usually covered by thick and yellow dust.
B.Traffic moves very slowly.
C.People can’t breathe well and the dust makes them ill.
D.All of the above.答案:C 答案:D 一二三四五4.What is the best way to reduce the effects from the sandstorm?
A.To live far away from deserts.
B.To stay at home when a sandstorm happens.
C.To wear mask if you want to go out.
D.To plant more trees.答案:D 一二三四五四、篇章结构 major solve What thick move sand dunes 一二三四五How desertification affected strength coming nearer 一二三四五五、课文填空
Sandstorms have been a major 1. for many Asian countries for centuries.Scientists have tried many ways to solve 2. .?
Sandstorms are strong,3. winds that carry sand.They are often so 4. that you cannot see the sun,and the wind is sometimes 5. enough to move sand dunes.The four main places in the world 6. there are sandstorms are Central Asia,North America,Central Africa and Australia.Ren Jianbo 7.
a terrible sandstorm he experienced as a child in the desert.“To have been caught in a sandstorm was a terrible 8. ,”disaster it dry thick strong where described experience 一二三四五he said.“It was the most frightening and the most dangerous
9. I’ve ever been in.You just had to hope you’d 10. .I thought I was going to disappear under the sand.”?situation survive 12345671.It lasted for ten hours and was very frightening.
它持续了10小时而且非常可怕。
★考点:frightening adj.令人恐惧的,令人害怕的
Actually,competition is not as frightening as you think.
实际上,竞争并不像你想得那么恐怖。
考点延伸
1)阅读下列句子,体会黑体词的词性及含义
①Sorry,I didn’t mean to frighten you.
对不起,我没打算吓唬你的。
词性:动词 含义:使惊恐;吓唬1234567②I can’t say a word with fright.
我因受到惊吓一句话也说不出来。
词性:名词 含义:惊骇;吃惊
2)阅读下列句子,体会frighten的相关短语及含义
①I’m frightened of walking home alone in the dark.
我害怕在黑夜里单独走路回家。
短语:be frightened of(doing sth.) 含义:害怕做某事?
②She was frightened at the traffic accident which took place yesterday.
她对昨天发生的交通事故感到害怕。
短语:be frightened at 含义:对……感到害怕?1234567③I jumped in fright.
我吓了一跳。
短语:in fright 含义:惊恐地?
④He frightened the little boy into giving him all the money.
他恐吓那个小孩把所有的钱都给了他。
短语:frighten sb.into doing sth. 含义:恐吓某人做某事?
3)辨析:frightening/frightened
frightening和frightened都是形容词,frightening表示主语或中心词的特征;frightened表示主语或中心词的感受。
①It’s frightening to think it could happen again.
想到此事可能再次发生就使人不寒而栗。
②Although frightened,she answered with a calm voice.
虽然她害怕,但还是用平静的声音回答。123456712345672.“To have been caught in a sandstorm was a terrible experience,” he said.
他说:“遭遇沙尘暴是一次可怕的经历。”
★考点:be caught in 突然遭遇(风暴等)
We have been caught in the rain and are wet all over.
我们遇到了大雨,全身都湿透了。
考点延伸
阅读下列句子,体会catch的相关短语及含义
①Catch hold of this rope,and we’ll pull you up.
抓住这根绳子,我们就会把你拉上来。
短语:catch hold of 含义:抓住,握住?1234567②We have done all that we could to catch up with them.
我们已经尽了一切可能来赶上他们。
短语:catch up with 含义:赶上?
③I caught sight of her getting on the bus when I came out of the bookstore.
我从书店出来时看见她上了公共汽车。
短语:catch sight of 含义:看见?
④The lady repeated her question several times but I still couldn’t catch on.
那位女士把她的问题重复了好几遍,但是我还是没听懂。
短语:catch on 含义:理解?
⑤Bob was caught reading my private letters.
鲍勃被捉到阅读我的私人信件。
短语:catch sb.doing sth. 含义:抓住某人做某事?123456712345673.Sandstorms in China appear to have increased in recent years as a result of “desertification”.
因“荒漠化”越发严重,中国近年来发生沙尘暴的次数明显增加了。
★考点:as a result of 由于,因为……的缘故
He has lost all his friends as a result of his foolish behaviour.
由于他的愚蠢行为,他失去了所有的朋友。
考点延伸
阅读下列句子,体会result的相关短语及含义
①He ate too much,as a result,he was sick.
他吃得太多了,结果,他很难受。
短语:as a result 含义:作为结果,因此?1234567②Hard work will result in success.
勤奋才能导致成功。
短语:result in 含义:导致?
③His illness resulted from having bad food.
他的病是由于吃了变质的食物引起的。
短语:result from 含义:起因,由于?
④I’ve been trying to open the box,but without result so far.
我一直在设法打开箱子,但到现在也没打开。
短语:without result 含义:毫无结果?12345673)His lung cancer resulted smoking too much.?
答案:1)as 2)in 3)from12345674.This is a process that happens when land becomes desert because of climate changes and because people cut down trees and dig up grass.
这个过程发生在土地变成沙漠的时候,而土地沙漠化是由气候变化和人类乱砍树林、挖草根所致。
★考点:cut down 砍倒
We cut down and burn millions of trees every year.
我们每年砍伐、烧毁上百万棵树。
考点延伸
阅读下列句子,体会cut的相关短语及含义
①We need to cut the article down to 1,000 words.
我们需要把这篇文章压缩到1,000字。
短语:cut down 含义:缩小,削减?1234567②I cut down all the dead trees.
我把所有的枯树全都砍掉了。
短语:cut down 含义:砍倒?
③It is impolite for children to cut in when their seniors are talking.
对孩子们来说,长辈们谈话时插嘴是不礼貌的。
短语:cut in 含义:打断(谈话),插嘴?
④Our water supply has been cut off.我们断水了。
短语:cut off 含义:中断,停止?
⑤You can cut out the unimportant information in the passage.
你可以删掉文章中不重要的信息。
短语:cut out 含义:删除,删去?
⑥She cut up the carrots and put them in the pot.
她把胡萝卜切碎放入锅中。
短语:cut up 含义:切碎,剁碎?123456712345675.Sandstorms sometimes affect Beijing.
沙尘暴有时候会影响北京。
★考点:affect vt. 影响,作用
Do computer games affect children’s behaviour?
电脑游戏影响孩子们的行为吗?
考点延伸
1)阅读下列句子,体会黑体词的词性及含义
①He was deeply affected by what I said.
他听了我的话很受感动。
词性:动词 含义:(使)感动
②The condition affects one in five women.
每五个妇女中就有一人患有这种病。
词性:动词 含义:使感染,患……12345672)阅读下列句子,体会affect的相关短语及含义
①She was deeply affected by the sad story.
她被那个悲伤的故事深深感动了。
短语:be affected by 含义:被……感动?
②He was affected with high fever.
他发高烧。
短语:be affected with 含义:患……病?
3)辨析affect/influence/effect
affect影响;感染;感动。常指一时的影响,尤指不良影响。
influence影响。常指长时间、潜移默化的影响。
effect名词。指影响、效果、作用。1234567①An unhappy home environment can affect a child’s growth.
不愉快的家庭环境能影响儿童的成长。
②Both diet and exercise have a great effect on blood pressure.
饮食和运动都对血压有影响。
③It’s clear that her painting has been influenced by Picasso.
她的画显然受了毕加索的影响。123456712345676.When a sandstorm arrives in the city,weather experts advise people not to go out.
当沙尘暴到达北京时气象专家们建议人们不要外出。
★考点:advise vt. 建议;劝告,忠告
The doctor advised me to take more exercise.
医生建议我多加锻炼。
考点延伸
1)阅读下列句子,体会黑体词的词性及含义
①You’d better take my advice.
你最好听从我给你的建议。
词性:名词 含义:劝告,忠告,建议1234567②It is advisable to wear a mask in such bad weather.
在这样糟糕的天气,你最好戴上口罩。
词性:形容词 含义:适当的;明智的
2)阅读下列句子,体会advise的相关短语及含义
①The manager advised holding a meeting to discuss it.
经理建议召开会议讨论这件事。
短语:advise doing sth. 含义:建议做某事?
②He advised me not to smoke in the office.
他建议我不要在办公室内吸烟。
短语:advise sb.(not) to do sth. 含义:建议某人(不)做某事?
3)辨析advise/persuade
advise sb.to do sth.建议某人做某事。但不一定说服。
persuade sb.to do sth.说服某人做某事。123456712345677.To prevent it coming nearer,the government is planting trees.
为阻止沙漠蔓延,政府正在植树造林。
★考点:prevent sb./sth.(from) doing sth.阻止……做某事
What prevented you(from) joining us last night?
昨天晚上什么事使你不能加入我们?
考点延伸
阅读下列句子,体会黑体词的相关短语及含义
①You must think of a way to stop children (from) getting into dangerous areas.
你们必须想出办法阻止孩子们进入危险地区。
短语:stop sb./sth.(from) doing sth.?
含义:阻止某人/某事发生1234567②The heavy fog kept us from seeing anything.
浓雾使我们看不到任何东西。
短语:keep sb./sth. from doing sth.?
含义:阻止……做某事
③We were prevented/stopped from going to work by the heavy rain.
大雨阻止我们去上班。
短语:be prevented/stopped from doing sth.?
含义:被阻止做某事
归纳:阻止……做某事,prevent/stop...(from) doing sth.主动语态时from 可以省略,但用于被动语态时,from不可省;keep...from doing sth.任何时候from不可省。1234567
Good afternoon,ladies and gentlemen!
Today I’m going to talk about sandstorm.
Sandstorm is a kind of bad weather which is becoming increasingly common in Northwestern China,and it usually happens in spring and fall.Though I’m only 13,I have experienced it and suffered from it quite a lot.
I’m sure most people still remember the sandstorm that happened last month.It swept across the large area of 11 provinces and caused a great loss to our nation.
As you can see on TV,when a sandstorm comes,the wind blows strongly with dust and sand.Sometimes trees are even broken down in half,and little birds cannot find their homes. Sometimes clouds of dust are so thick that little kids cannot find their ways.It’s like the end of the world.We love beautiful spring.We cherish1 bright sunshine.But sandstorms destroy all the lovely things.Yet we know it is Mother Nature’s revenge2 on what we have done to her.In order to see blue sky and sunny spring again,we should plant more trees and more grass to protect the environment.And it is not too late if we start right now.
Though it’s a hard job to fight against the sandstorm,it is a battle we must fight,and it is a battle we must win!
Thank you!
单词注释
1.cherish v.珍惜
2.revenge n.报复,复仇难句剖析
Yet we know it is Mother Nature’s revenge on what we have done to her.
然而我们知道沙尘暴是大自然母亲对我们对她所做的一切进行的报复。
know后跟的是宾语从句,其中what引导的名词性从句作介词on的宾语。
导读诱思
1.What happens when there is a sandstorm according to the passage?
2.What can we do to prevent the sandstorm?答案:The wind blows strongly with dust and sand.Trees are sometimes broken down in half.Birds can’t find their homes and little kids can’t find their ways.答案:We should plant more trees and grass. Section Ⅰ Introduction,Reading & Vocabulary一二三四五一、根据英文释义选出相应单词
mass campaign sandstorm frightening dust forecast process citizen strength mask
1. a storm in a desert in which sand is blown into the air by strong winds?
2. causing fear or terror?
3. a large number/amount of?
4. a series of planned movements that are intended to achieve social,commercial or political aim?
5. a series of actions that are done in order to achieve a particular result?
6. someone who lives in a particular town,country,or state?sandstormfrightening mass campaign process citizen 一二三四五7. the very small pieces of dirt?
8. to say what is likely to happen in the future,based on the information that you have now?
9. the quality of being physically strong?
10. a piece of cloth or other material that you wear over all or part of your face to protect you from germs or harmful substances?dust forecast strength mask 一二三四五二、短语翻译
1.cut down ?
2.be caught in ?
3.as a result of ?
4.because of ?
5.one after another ?
6.sweep away ?
7.advise sb.(not)to do sth. ?
8.prevent sb. (from) doing sth. ?砍倒 突然遭遇(风暴等) 由于 因为,由于 一个接一个地 清除掉 建议某人(不)做某事 阻止某人做某事 一二三四五三、阅读课文Sandstorms in Asia,选择最佳答案
1.What is the best description about a sandstorm according to the passage?
A.It is a major disaster for many Asian countries for centuries.
B.It is a strong dry wind carrying sand.
C.It is a way to cause land to become desert.
D.It is a kind of natural disaster that can’t be treated.答案:B 一二三四五2.What is the main reason for the increase of sandstorms in China recently?
A.It is close to many deserts.
B.The worsening of the weather in China.
C.It is a result of desertification.
D.People plant trees and dig up grass.
3.What effects are sandstorms bringing to people living in cities?
A.The whole city is usually covered by thick and yellow dust.
B.Traffic moves very slowly.
C.People can’t breathe well and the dust makes them ill.
D.All of the above.答案:C 答案:D 一二三四五4.What is the best way to reduce the effects from the sandstorm?
A.To live far away from deserts.
B.To stay at home when a sandstorm happens.
C.To wear mask if you want to go out.
D.To plant more trees.答案:D 一二三四五四、篇章结构 major solve What thick move sand dunes 一二三四五How desertification affected strength coming nearer 一二三四五五、课文填空
Sandstorms have been a major 1. for many Asian countries for centuries.Scientists have tried many ways to solve 2. .?
Sandstorms are strong,3. winds that carry sand.They are often so 4. that you cannot see the sun,and the wind is sometimes 5. enough to move sand dunes.The four main places in the world 6. there are sandstorms are Central Asia,North America,Central Africa and Australia.Ren Jianbo 7.
a terrible sandstorm he experienced as a child in the desert.“To have been caught in a sandstorm was a terrible 8. ,”disaster it dry thick strong where described experience 一二三四五he said.“It was the most frightening and the most dangerous
9. I’ve ever been in.You just had to hope you’d 10. .I thought I was going to disappear under the sand.”?situation survive 12345671.It lasted for ten hours and was very frightening.
它持续了10小时而且非常可怕。
★考点:frightening adj.令人恐惧的,令人害怕的
Actually,competition is not as frightening as you think.
实际上,竞争并不像你想得那么恐怖。
考点延伸
1)阅读下列句子,体会黑体词的词性及含义
①Sorry,I didn’t mean to frighten you.
对不起,我没打算吓唬你的。
词性:动词 含义:使惊恐;吓唬1234567②I can’t say a word with fright.
我因受到惊吓一句话也说不出来。
词性:名词 含义:惊骇;吃惊
2)阅读下列句子,体会frighten的相关短语及含义
①I’m frightened of walking home alone in the dark.
我害怕在黑夜里单独走路回家。
短语:be frightened of(doing sth.) 含义:害怕做某事?
②She was frightened at the traffic accident which took place yesterday.
她对昨天发生的交通事故感到害怕。
短语:be frightened at 含义:对……感到害怕?1234567③I jumped in fright.
我吓了一跳。
短语:in fright 含义:惊恐地?
④He frightened the little boy into giving him all the money.
他恐吓那个小孩把所有的钱都给了他。
短语:frighten sb.into doing sth. 含义:恐吓某人做某事?
3)辨析:frightening/frightened
frightening和frightened都是形容词,frightening表示主语或中心词的特征;frightened表示主语或中心词的感受。
①It’s frightening to think it could happen again.
想到此事可能再次发生就使人不寒而栗。
②Although frightened,she answered with a calm voice.
虽然她害怕,但还是用平静的声音回答。123456712345672.“To have been caught in a sandstorm was a terrible experience,” he said.
他说:“遭遇沙尘暴是一次可怕的经历。”
★考点:be caught in 突然遭遇(风暴等)
We have been caught in the rain and are wet all over.
我们遇到了大雨,全身都湿透了。
考点延伸
阅读下列句子,体会catch的相关短语及含义
①Catch hold of this rope,and we’ll pull you up.
抓住这根绳子,我们就会把你拉上来。
短语:catch hold of 含义:抓住,握住?1234567②We have done all that we could to catch up with them.
我们已经尽了一切可能来赶上他们。
短语:catch up with 含义:赶上?
③I caught sight of her getting on the bus when I came out of the bookstore.
我从书店出来时看见她上了公共汽车。
短语:catch sight of 含义:看见?
④The lady repeated her question several times but I still couldn’t catch on.
那位女士把她的问题重复了好几遍,但是我还是没听懂。
短语:catch on 含义:理解?
⑤Bob was caught reading my private letters.
鲍勃被捉到阅读我的私人信件。
短语:catch sb.doing sth. 含义:抓住某人做某事?123456712345673.Sandstorms in China appear to have increased in recent years as a result of “desertification”.
因“荒漠化”越发严重,中国近年来发生沙尘暴的次数明显增加了。
★考点:as a result of 由于,因为……的缘故
He has lost all his friends as a result of his foolish behaviour.
由于他的愚蠢行为,他失去了所有的朋友。
考点延伸
阅读下列句子,体会result的相关短语及含义
①He ate too much,as a result,he was sick.
他吃得太多了,结果,他很难受。
短语:as a result 含义:作为结果,因此?1234567②Hard work will result in success.
勤奋才能导致成功。
短语:result in 含义:导致?
③His illness resulted from having bad food.
他的病是由于吃了变质的食物引起的。
短语:result from 含义:起因,由于?
④I’ve been trying to open the box,but without result so far.
我一直在设法打开箱子,但到现在也没打开。
短语:without result 含义:毫无结果?12345673)His lung cancer resulted smoking too much.?
答案:1)as 2)in 3)from12345674.This is a process that happens when land becomes desert because of climate changes and because people cut down trees and dig up grass.
这个过程发生在土地变成沙漠的时候,而土地沙漠化是由气候变化和人类乱砍树林、挖草根所致。
★考点:cut down 砍倒
We cut down and burn millions of trees every year.
我们每年砍伐、烧毁上百万棵树。
考点延伸
阅读下列句子,体会cut的相关短语及含义
①We need to cut the article down to 1,000 words.
我们需要把这篇文章压缩到1,000字。
短语:cut down 含义:缩小,削减?1234567②I cut down all the dead trees.
我把所有的枯树全都砍掉了。
短语:cut down 含义:砍倒?
③It is impolite for children to cut in when their seniors are talking.
对孩子们来说,长辈们谈话时插嘴是不礼貌的。
短语:cut in 含义:打断(谈话),插嘴?
④Our water supply has been cut off.我们断水了。
短语:cut off 含义:中断,停止?
⑤You can cut out the unimportant information in the passage.
你可以删掉文章中不重要的信息。
短语:cut out 含义:删除,删去?
⑥She cut up the carrots and put them in the pot.
她把胡萝卜切碎放入锅中。
短语:cut up 含义:切碎,剁碎?123456712345675.Sandstorms sometimes affect Beijing.
沙尘暴有时候会影响北京。
★考点:affect vt. 影响,作用
Do computer games affect children’s behaviour?
电脑游戏影响孩子们的行为吗?
考点延伸
1)阅读下列句子,体会黑体词的词性及含义
①He was deeply affected by what I said.
他听了我的话很受感动。
词性:动词 含义:(使)感动
②The condition affects one in five women.
每五个妇女中就有一人患有这种病。
词性:动词 含义:使感染,患……12345672)阅读下列句子,体会affect的相关短语及含义
①She was deeply affected by the sad story.
她被那个悲伤的故事深深感动了。
短语:be affected by 含义:被……感动?
②He was affected with high fever.
他发高烧。
短语:be affected with 含义:患……病?
3)辨析affect/influence/effect
affect影响;感染;感动。常指一时的影响,尤指不良影响。
influence影响。常指长时间、潜移默化的影响。
effect名词。指影响、效果、作用。1234567①An unhappy home environment can affect a child’s growth.
不愉快的家庭环境能影响儿童的成长。
②Both diet and exercise have a great effect on blood pressure.
饮食和运动都对血压有影响。
③It’s clear that her painting has been influenced by Picasso.
她的画显然受了毕加索的影响。123456712345676.When a sandstorm arrives in the city,weather experts advise people not to go out.
当沙尘暴到达北京时气象专家们建议人们不要外出。
★考点:advise vt. 建议;劝告,忠告
The doctor advised me to take more exercise.
医生建议我多加锻炼。
考点延伸
1)阅读下列句子,体会黑体词的词性及含义
①You’d better take my advice.
你最好听从我给你的建议。
词性:名词 含义:劝告,忠告,建议1234567②It is advisable to wear a mask in such bad weather.
在这样糟糕的天气,你最好戴上口罩。
词性:形容词 含义:适当的;明智的
2)阅读下列句子,体会advise的相关短语及含义
①The manager advised holding a meeting to discuss it.
经理建议召开会议讨论这件事。
短语:advise doing sth. 含义:建议做某事?
②He advised me not to smoke in the office.
他建议我不要在办公室内吸烟。
短语:advise sb.(not) to do sth. 含义:建议某人(不)做某事?
3)辨析advise/persuade
advise sb.to do sth.建议某人做某事。但不一定说服。
persuade sb.to do sth.说服某人做某事。123456712345677.To prevent it coming nearer,the government is planting trees.
为阻止沙漠蔓延,政府正在植树造林。
★考点:prevent sb./sth.(from) doing sth.阻止……做某事
What prevented you(from) joining us last night?
昨天晚上什么事使你不能加入我们?
考点延伸
阅读下列句子,体会黑体词的相关短语及含义
①You must think of a way to stop children (from) getting into dangerous areas.
你们必须想出办法阻止孩子们进入危险地区。
短语:stop sb./sth.(from) doing sth.?
含义:阻止某人/某事发生1234567②The heavy fog kept us from seeing anything.
浓雾使我们看不到任何东西。
短语:keep sb./sth. from doing sth.?
含义:阻止……做某事
③We were prevented/stopped from going to work by the heavy rain.
大雨阻止我们去上班。
短语:be prevented/stopped from doing sth.?
含义:被阻止做某事
归纳:阻止……做某事,prevent/stop...(from) doing sth.主动语态时from 可以省略,但用于被动语态时,from不可省;keep...from doing sth.任何时候from不可省。1234567