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高中英语外研版必修3Module 4 Sandstorms in Asia示范课ppt课件
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这是一份高中英语外研版必修3Module 4 Sandstorms in Asia示范课ppt课件，共29页。PPT课件主要包含了strength ，strengthen，并列分句，如此以至于，复合句，定语从句，宾语补足语，mass，process，dust等内容，欢迎下载使用。
1. “T have been caught in a sandstrm 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 gt wet thrugh last night. I was caught in the traffic jam, r I wuld have cme here earlier.
【联想】 be lst 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 absrbed 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 reprted that the grup _______________________(突然遇到) the hurricane and several peple were injured. 2) ____________________ (陷入沉思中), he didn’t ntice that smene was kncking at the dr.
gt / was / were caught in
Lst in deep thught
3) T ur great jy, the wrkers wh _________________ (被困在) undergrund were finally saved. 4) She ____________________________ (正在全神贯注看一本书) when I came in.
had been trapped
was absrbed in reading a bk
2. This is a prcess that happens when land becmes desert because f climate changes and because peple cut dwn 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。
prcess n. 过程in the prcess f ding sth. 在做某事的过程中 The huse is in the prcess f being built.
cut dwn ①砍倒；②删减, 缩短, 削减常见搭配: cut sth. dwn t；cut dwn n sth. / ding sth.Many big trees alng the rad have been cut dwn fr building huses.The teacher asked me t cut the article dwn t 300 wrds. The dctr tld him t cut dwn n his drinking.
【考例】 My uncle hasn’t been able t quit smking, but at least he has _____. A. cut ut B. cut dwn C. cut up D. cut ff【点拨】 选B。由but at least可知, “我叔叔减少了吸烟的量”, 故选cut dwn。cut ut 裁剪, 删除；cut up 割伤, 切碎；cut ff 切断, 停止, 隔绝。
3. The Chinese Central Weather Statin can frecast a sandstrm sme weeks befre it arrives in Beijing, but the strength f the strm smetimes surprises peple. 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。
frecast v. 预报, 预测 (frecast / frecasted)The radi frecast what the weather wuld be like the day after tmrrw. Mre sandstrms are frecasted / frecast next week.
frecast n. 预报, 预测 The weather frecast n the radi tnight tells f cming strms.His frecast abut the future ecnmy prved wrng.
【语境运用】用frecast适当形式填空。 1) Clder weather _____________________ fr tmrrw just nw. Yu shuld put n mre clthes. 2) N ne can __________ what will happen t the wrld in 1, 000 years. 3) Thanks t weather satellites, it’s easy __________ weather nw.
was frecasted / frecast
t frecast
【同根词】 strng 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 ne’s strength 增加体力have strength t d sth. 有力气做某事with all ne’s strength 用尽某人全身的力气
【语境运用】完成句子。1) Des the by have enugh _________ (strng) t lift the bx? 2) The President’s visit is t __________ (strength) the friendships between the tw cuntries.
1. They are ften s thick that yu cannt see the sun, and the wind is smetimes strng enugh t mve sand dunes. = The sandstrms are ften t thick fr peple t see the sun and smetimes the wind is s strng that it can mve sand dunes.
本句是由and连接的两个__________。在前面的分句中, s ... that意为“___________________”, that引导结果状语从句; 在后面的分句中, enugh作副词时常放在形容词或副词之后, 构成 ... enugh t d sth., 意为“足够地……”。
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 prcess that happens when land becmes desert because f climate changes and because peple cut dwn trees and dig up grass. = Because f climate changes, trees being cut dwn and grass being dug up, land becmes desert and desertificatin happens.
This is a prcess
本句是一个________。主句是________________; that happens ...是_________, 修饰先行词prcess。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 f ... 短语以及because引起的从句共同说明土地变成沙漠的原因。
【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 f his hnesty and because he wrked hard, he was prmted t be the manager.
3. The strms smetimes cntinue all day and traffic mves very slwly because the thick dust makes it difficult t 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. + t d。在makes it difficult t see 中, it是__________宾语, 形容词difficult 作___________, 不定式短语t see作真正的___________。常用于这种结构的动词还有: think, find, believe, feel, suppse等; 用作真正宾语的可以是动词不定式、动词-ing形式和从句。
如: We fund it difficult t get alng with him.我们发现与他相处很难。We thught it wrng wasting ur time.我们认为浪费我们的时间是不对的。He fund it strange that n ne 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 n the rad made it very difficult t 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________ t think hw easily children can be hurt.2. Their latest prduct is aimed at the ________ (大规模的) market.3. I’m afraid getting things changed will be a slw ________ (过程).4. There were cluds f d________ in the distance as the truck apprached.
frightening
5. The weather statin has f________ that it will rain tmrrw.6. Fr a small wman she has surprising s________.7. The c________ rganised by them aims t let the public knw the dangers f this disease.8. He ________ (骑自行车) t wrk every day.
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-ld tree in frnt f ur huse _______ _______ _______ (被砍倒) yesterday.2. It’s reprted that the grup ________ _______ _______ (突然遭遇) the hurricane and several peple were injured. 3. The man was _______ _______ _______ (太虚弱以致) he culd hardly stand up.
was cut dwn
gt / was / were
s weak that
caught in
4. His leg was brken _______ _______ _______ _______ (由于) his wn carelessness. 5. He _______ _______ (醒来) t find himself alne in the huse.6. I’ll eat chclates _______ _______ _______ (一个接一个地) until the bx is finished.7. The fld waters _______ _______ (冲走) everything in their path just nw.
as a result
wke up
ne after anther
swept away
1. Remember the new wrds, expressins and sentences in Reading.2. Finish the exercises in the wrkbk.
1. “T have been caught in a sandstrm 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 gt wet thrugh last night. I was caught in the traffic jam, r I wuld have cme here earlier.
【联想】 be lst 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 absrbed 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 reprted that the grup _______________________(突然遇到) the hurricane and several peple were injured. 2) ____________________ (陷入沉思中), he didn’t ntice that smene was kncking at the dr.
gt / was / were caught in
Lst in deep thught
3) T ur great jy, the wrkers wh _________________ (被困在) undergrund were finally saved. 4) She ____________________________ (正在全神贯注看一本书) when I came in.
had been trapped
was absrbed in reading a bk
2. This is a prcess that happens when land becmes desert because f climate changes and because peple cut dwn 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。
prcess n. 过程in the prcess f ding sth. 在做某事的过程中 The huse is in the prcess f being built.
cut dwn ①砍倒；②删减, 缩短, 削减常见搭配: cut sth. dwn t；cut dwn n sth. / ding sth.Many big trees alng the rad have been cut dwn fr building huses.The teacher asked me t cut the article dwn t 300 wrds. The dctr tld him t cut dwn n his drinking.
【考例】 My uncle hasn’t been able t quit smking, but at least he has _____. A. cut ut B. cut dwn C. cut up D. cut ff【点拨】 选B。由but at least可知, “我叔叔减少了吸烟的量”, 故选cut dwn。cut ut 裁剪, 删除；cut up 割伤, 切碎；cut ff 切断, 停止, 隔绝。
3. The Chinese Central Weather Statin can frecast a sandstrm sme weeks befre it arrives in Beijing, but the strength f the strm smetimes surprises peple. 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。
frecast v. 预报, 预测 (frecast / frecasted)The radi frecast what the weather wuld be like the day after tmrrw. Mre sandstrms are frecasted / frecast next week.
frecast n. 预报, 预测 The weather frecast n the radi tnight tells f cming strms.His frecast abut the future ecnmy prved wrng.
【语境运用】用frecast适当形式填空。 1) Clder weather _____________________ fr tmrrw just nw. Yu shuld put n mre clthes. 2) N ne can __________ what will happen t the wrld in 1, 000 years. 3) Thanks t weather satellites, it’s easy __________ weather nw.
was frecasted / frecast
t frecast
【同根词】 strng 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 ne’s strength 增加体力have strength t d sth. 有力气做某事with all ne’s strength 用尽某人全身的力气
【语境运用】完成句子。1) Des the by have enugh _________ (strng) t lift the bx? 2) The President’s visit is t __________ (strength) the friendships between the tw cuntries.
1. They are ften s thick that yu cannt see the sun, and the wind is smetimes strng enugh t mve sand dunes. = The sandstrms are ften t thick fr peple t see the sun and smetimes the wind is s strng that it can mve sand dunes.
本句是由and连接的两个__________。在前面的分句中, s ... that意为“___________________”, that引导结果状语从句; 在后面的分句中, enugh作副词时常放在形容词或副词之后, 构成 ... enugh t d sth., 意为“足够地……”。
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 prcess that happens when land becmes desert because f climate changes and because peple cut dwn trees and dig up grass. = Because f climate changes, trees being cut dwn and grass being dug up, land becmes desert and desertificatin happens.
This is a prcess
本句是一个________。主句是________________; that happens ...是_________, 修饰先行词prcess。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 f ... 短语以及because引起的从句共同说明土地变成沙漠的原因。
【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 f his hnesty and because he wrked hard, he was prmted t be the manager.
3. The strms smetimes cntinue all day and traffic mves very slwly because the thick dust makes it difficult t 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. + t d。在makes it difficult t see 中, it是__________宾语, 形容词difficult 作___________, 不定式短语t see作真正的___________。常用于这种结构的动词还有: think, find, believe, feel, suppse等; 用作真正宾语的可以是动词不定式、动词-ing形式和从句。
如: We fund it difficult t get alng with him.我们发现与他相处很难。We thught it wrng wasting ur time.我们认为浪费我们的时间是不对的。He fund it strange that n ne 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 n the rad made it very difficult t 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________ t think hw easily children can be hurt.2. Their latest prduct is aimed at the ________ (大规模的) market.3. I’m afraid getting things changed will be a slw ________ (过程).4. There were cluds f d________ in the distance as the truck apprached.
frightening
5. The weather statin has f________ that it will rain tmrrw.6. Fr a small wman she has surprising s________.7. The c________ rganised by them aims t let the public knw the dangers f this disease.8. He ________ (骑自行车) t wrk every day.
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-ld tree in frnt f ur huse _______ _______ _______ (被砍倒) yesterday.2. It’s reprted that the grup ________ _______ _______ (突然遭遇) the hurricane and several peple were injured. 3. The man was _______ _______ _______ (太虚弱以致) he culd hardly stand up.
was cut dwn
gt / was / were
s weak that
caught in
4. His leg was brken _______ _______ _______ _______ (由于) his wn carelessness. 5. He _______ _______ (醒来) t find himself alne in the huse.6. I’ll eat chclates _______ _______ _______ (一个接一个地) until the bx is finished.7. The fld waters _______ _______ (冲走) everything in their path just nw.
as a result
wke up
ne after anther
swept away
1. Remember the new wrds, expressins and sentences in Reading.2. Finish the exercises in the wrkbk.
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