外研版必修3 Module 4 Sandstorms in Asia Language points课件（29张ppt）
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| 名称 | 外研版必修3 Module 4 Sandstorms in Asia Language points课件（29张ppt） |  | |
| 格式 | zip | ||
| 文件大小 | 944.1KB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 外研版 | ||
| 科目 | 英语 | ||
| 更新时间 | 2022-01-28 13:06:41 | ||
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(共29张PPT)
1. “To have been caught in a sandstorm was a terrible experience, ”…
遭遇沙尘暴是一次很可怕的经历, ……
be (/get) caught in 突然遇到 (大雨、风暴等)
He was caught in the rain and got wet through last night.
I was caught in the traffic jam, or I would have come here earlier.
【联想】
be lost in 消失在……中, 陷入(沉思等), 被……所吸引, 在……中迷路；
be trapped in 陷入, 被困在……中；
be absorbed in 被……吸引住, 专注于, 聚精会神(干某事)；
be stuck in 被困在……
【语境运用】完成句子。
1) It’s reported that the group
_______________________(突然遇到)
the hurricane and several people were
injured.
2) ____________________ (陷入沉思中),
he didn’t notice that someone was
knocking at the door.
got / was / were caught in
Lost in deep thought
3) To our great joy, the workers who _________________ (被困在) underground were finally saved.
4) She ____________________________ (正在全神贯注看一本书) when I came in.
had been trapped
was absorbed in reading a book
2. This is a process that happens when
land becomes desert because of climate changes and because people cut down trees and dig up grass.
这是一个由于气候变化和人们伐树挖草, 使土地变成荒漠后产生的一种作用。
process n. 过程
in the process of doing sth. 在做某事的过程中
The house is in the process of being built.
cut down ①砍倒；②删减, 缩短, 削减
常见搭配:
cut sth. down to；cut down on sth. / doing sth.
Many big trees along the road have been cut down for building houses.
The teacher asked me to cut the article down to 300 words.
The doctor told him to cut down on his drinking.
【考例】
My uncle hasn’t been able to quit smoking, but at least he has _____.
A. cut out B. cut down
C. cut up D. cut off
【点拨】 选B。由but at least可知, “我叔叔减少了吸烟的量”, 故选cut down。cut out 裁剪, 删除；cut up 割伤, 切碎；cut off 切断, 停止, 隔绝。
3. The Chinese Central Weather Station
can forecast a sandstorm some weeks
before it arrives in Beijing, but the strength of the storm sometimes surprises people.
中国中央气象站能在沙尘暴到达北京前几周预报沙尘暴, 但沙尘暴的力量有时很惊人。
forecast v. 预报, 预测 (forecast / forecasted)
The radio forecast what the weather would be like the day after tomorrow.
More sandstorms are forecasted / forecast next week.
forecast n. 预报, 预测
The weather forecast on the radio tonight tells of coming storms.
His forecast about the future economy proved wrong.
【语境运用】用forecast适当形式填空。
1) Colder weather _____________________ for tomorrow just now. You should put on more clothes.
2) No one can __________ what will happen to the world in 1, 000 years.
3) Thanks to weather satellites, it’s easy __________ weather now.
was forecasted / forecast
forecast
to forecast
【同根词】
strong adj. 强壮的, 强烈的, 坚定的
strengthen v. 加强, 增强, 巩固
strength n. 力气，力量；强度
【拓展】
build up one’s strength 增加体力
have strength to do sth. 有力气做某事
with all one’s strength 用尽某人全身的力气
【语境运用】完成句子。
1) Does the boy have enough _________ (strong) to lift the box
2) The President’s visit is to __________ (strength) the friendships between the two
countries.
strength
strengthen
1. They are often so thick that you cannot
see the sun, and the wind is sometimes
strong enough to move sand dunes.
= The sandstorms are often too thick for people to see the sun and sometimes the wind is so strong that it can move sand dunes.
本句是由and连接的两个__________。在前面的分句中, so ... that意为“___________________”, that引导结果状语从句; 在后面的分句中, enough作副词时常放在形容词或副词之后, 构成 ... enough to do sth., 意为“足够地……”。
并列分句
如此……以至于……
句意:
沙尘暴夹带的沙尘量常常很大, 以致于可以遮天蔽日。风力强大时可以搬动沙丘。
2. This is a process that happens when
land becomes desert because of climate
changes and because people cut down
trees and dig up grass.
= Because of climate changes, trees being cut down and grass being dug up, land becomes desert and desertification happens.
This is a process
本句是一个________。主句是________
________; that happens ...是_________, 修饰先行词process。定语从句中有两个状语从句, 一个是when引导的时间状语从句, 另一个是because引导的原因状语从句。时间状语从句中的because of ... 短语以及because引起的从句共同说明土地变成沙漠的原因。
复合句
定语从句
【仿写】
由于他的诚实，也由于他工作努力, 最后他被晋升为经理。
Because of his honesty and because he
worked hard, he was promoted to be the manager.
3. The storms sometimes continue all day and traffic moves very slowly because the thick dust makes it difficult to see.
暴风有时持续一整天，车辆开得很慢，因为浓浓的尘埃降低了能见度。
本句中含有一个make复合结构: make + it + adj. + to do。在makes it difficult to see 中, it是__________宾语, 形容词difficult 作___________, 不定式短语to see作真正的___________。常用于这种结构的动词还有: think, find, believe, feel, suppose等; 用作真正宾语的可以是动词不定式、动词-ing形式和从句。
形式
宾语补足语
宾语
如:
We found it difficult to get along with him.
我们发现与他相处很难。
We thought it wrong wasting our time.
我们认为浪费我们的时间是不对的。
He found it strange that no one else had arrived.
他发现奇怪的是没有其他人来。
【仿写】
昨天路上的冰使得开车非常困难。
The ice on the road made it very difficult to drive yesterday.
I. 根据下面各句句意以及所给单词的首字母或汉语提示词，写出该单词的正确形式 （每空一词）。
1. It’s f________ to think how easily children can be hurt.
2. Their latest product is aimed at the ________ (大规模的) market.
3. I’m afraid getting things changed will be a slow ________ (过程).
4. There were clouds of d________ in the distance as the truck approached.
frightening
mass
process
dust
5. The weather station has f________ that it will rain tomorrow.
6. For a small woman she has surprising s________.
7. The c________ organised by them aims to let the public know the dangers of this disease.
8. He ________ (骑自行车) to work every day.
forecast
strength
campaign
cycles
II. 根据括号内的汉语提示补全下面句子（每空一词）。
1. The 10-year-old tree in front of our house _______ _______ _______ (被砍倒) yesterday.
2. It’s reported that the group ________
_______ _______ (突然遭遇) the hurricane and several people were injured.
3. The man was _______ _______ _______
(太虚弱以致) he could hardly stand up.
was cut down
got / was / were
so weak that
caught in
4. His leg was broken _______ _______ _______ _______ (由于) his own carelessness.
5. He _______ _______ (醒来) to find himself alone in the house.
6. I’ll eat chocolates _______ _______ _______ (一个接一个地) until the box is finished.
7. The flood waters _______ _______ (冲走) everything in their path just now.
as a result
woke up
one after another
swept away
of
1. Remember the new words, expressions and sentences in Reading.
2. Finish the exercises in the workbook.
1. “To have been caught in a sandstorm was a terrible experience, ”…
遭遇沙尘暴是一次很可怕的经历, ……
be (/get) caught in 突然遇到 (大雨、风暴等)
He was caught in the rain and got wet through last night.
I was caught in the traffic jam, or I would have come here earlier.
【联想】
be lost in 消失在……中, 陷入(沉思等), 被……所吸引, 在……中迷路；
be trapped in 陷入, 被困在……中；
be absorbed in 被……吸引住, 专注于, 聚精会神(干某事)；
be stuck in 被困在……
【语境运用】完成句子。
1) It’s reported that the group
_______________________(突然遇到)
the hurricane and several people were
injured.
2) ____________________ (陷入沉思中),
he didn’t notice that someone was
knocking at the door.
got / was / were caught in
Lost in deep thought
3) To our great joy, the workers who _________________ (被困在) underground were finally saved.
4) She ____________________________ (正在全神贯注看一本书) when I came in.
had been trapped
was absorbed in reading a book
2. This is a process that happens when
land becomes desert because of climate changes and because people cut down trees and dig up grass.
这是一个由于气候变化和人们伐树挖草, 使土地变成荒漠后产生的一种作用。
process n. 过程
in the process of doing sth. 在做某事的过程中
The house is in the process of being built.
cut down ①砍倒；②删减, 缩短, 削减
常见搭配:
cut sth. down to；cut down on sth. / doing sth.
Many big trees along the road have been cut down for building houses.
The teacher asked me to cut the article down to 300 words.
The doctor told him to cut down on his drinking.
【考例】
My uncle hasn’t been able to quit smoking, but at least he has _____.
A. cut out B. cut down
C. cut up D. cut off
【点拨】 选B。由but at least可知, “我叔叔减少了吸烟的量”, 故选cut down。cut out 裁剪, 删除；cut up 割伤, 切碎；cut off 切断, 停止, 隔绝。
3. The Chinese Central Weather Station
can forecast a sandstorm some weeks
before it arrives in Beijing, but the strength of the storm sometimes surprises people.
中国中央气象站能在沙尘暴到达北京前几周预报沙尘暴, 但沙尘暴的力量有时很惊人。
forecast v. 预报, 预测 (forecast / forecasted)
The radio forecast what the weather would be like the day after tomorrow.
More sandstorms are forecasted / forecast next week.
forecast n. 预报, 预测
The weather forecast on the radio tonight tells of coming storms.
His forecast about the future economy proved wrong.
【语境运用】用forecast适当形式填空。
1) Colder weather _____________________ for tomorrow just now. You should put on more clothes.
2) No one can __________ what will happen to the world in 1, 000 years.
3) Thanks to weather satellites, it’s easy __________ weather now.
was forecasted / forecast
forecast
to forecast
【同根词】
strong adj. 强壮的, 强烈的, 坚定的
strengthen v. 加强, 增强, 巩固
strength n. 力气，力量；强度
【拓展】
build up one’s strength 增加体力
have strength to do sth. 有力气做某事
with all one’s strength 用尽某人全身的力气
【语境运用】完成句子。
1) Does the boy have enough _________ (strong) to lift the box
2) The President’s visit is to __________ (strength) the friendships between the two
countries.
strength
strengthen
1. They are often so thick that you cannot
see the sun, and the wind is sometimes
strong enough to move sand dunes.
= The sandstorms are often too thick for people to see the sun and sometimes the wind is so strong that it can move sand dunes.
本句是由and连接的两个__________。在前面的分句中, so ... that意为“___________________”, that引导结果状语从句; 在后面的分句中, enough作副词时常放在形容词或副词之后, 构成 ... enough to do sth., 意为“足够地……”。
并列分句
如此……以至于……
句意:
沙尘暴夹带的沙尘量常常很大, 以致于可以遮天蔽日。风力强大时可以搬动沙丘。
2. This is a process that happens when
land becomes desert because of climate
changes and because people cut down
trees and dig up grass.
= Because of climate changes, trees being cut down and grass being dug up, land becomes desert and desertification happens.
This is a process
本句是一个________。主句是________
________; that happens ...是_________, 修饰先行词process。定语从句中有两个状语从句, 一个是when引导的时间状语从句, 另一个是because引导的原因状语从句。时间状语从句中的because of ... 短语以及because引起的从句共同说明土地变成沙漠的原因。
复合句
定语从句
【仿写】
由于他的诚实，也由于他工作努力, 最后他被晋升为经理。
Because of his honesty and because he
worked hard, he was promoted to be the manager.
3. The storms sometimes continue all day and traffic moves very slowly because the thick dust makes it difficult to see.
暴风有时持续一整天，车辆开得很慢，因为浓浓的尘埃降低了能见度。
本句中含有一个make复合结构: make + it + adj. + to do。在makes it difficult to see 中, it是__________宾语, 形容词difficult 作___________, 不定式短语to see作真正的___________。常用于这种结构的动词还有: think, find, believe, feel, suppose等; 用作真正宾语的可以是动词不定式、动词-ing形式和从句。
形式
宾语补足语
宾语
如:
We found it difficult to get along with him.
我们发现与他相处很难。
We thought it wrong wasting our time.
我们认为浪费我们的时间是不对的。
He found it strange that no one else had arrived.
他发现奇怪的是没有其他人来。
【仿写】
昨天路上的冰使得开车非常困难。
The ice on the road made it very difficult to drive yesterday.
I. 根据下面各句句意以及所给单词的首字母或汉语提示词，写出该单词的正确形式 （每空一词）。
1. It’s f________ to think how easily children can be hurt.
2. Their latest product is aimed at the ________ (大规模的) market.
3. I’m afraid getting things changed will be a slow ________ (过程).
4. There were clouds of d________ in the distance as the truck approached.
frightening
mass
process
dust
5. The weather station has f________ that it will rain tomorrow.
6. For a small woman she has surprising s________.
7. The c________ organised by them aims to let the public know the dangers of this disease.
8. He ________ (骑自行车) to work every day.
forecast
strength
campaign
cycles
II. 根据括号内的汉语提示补全下面句子（每空一词）。
1. The 10-year-old tree in front of our house _______ _______ _______ (被砍倒) yesterday.
2. It’s reported that the group ________
_______ _______ (突然遭遇) the hurricane and several people were injured.
3. The man was _______ _______ _______
(太虚弱以致) he could hardly stand up.
was cut down
got / was / were
so weak that
caught in
4. His leg was broken _______ _______ _______ _______ (由于) his own carelessness.
5. He _______ _______ (醒来) to find himself alone in the house.
6. I’ll eat chocolates _______ _______ _______ (一个接一个地) until the box is finished.
7. The flood waters _______ _______ (冲走) everything in their path just now.
as a result
woke up
one after another
swept away
of
1. Remember the new words, expressions and sentences in Reading.
2. Finish the exercises in the workbook.