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2020-2021学年Unit 4 Amazing ScienceTopic 1 When was it invented?教课内容课件ppt
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这是一份2020-2021学年Unit 4 Amazing ScienceTopic 1 When was it invented?教课内容课件ppt，共21页。PPT课件主要包含了重点短语，词形变化，重点句型，典型例题，目 录，CONTENTS，重点语法，由制成，被用来做某事，把送入太空等内容，欢迎下载使用。
从文章中找出下列重点短语（1）
spend …n sth./(in) ding sth.
1. 花费时间/金钱做某事
Be used fr ding sth.
the result f
It is said that
during his life
从文章中找出下列重点短语（2）
9.（事情）发生，出现
Be invented by
从文章中找出下列重点短语（3）
In the inventin prcess
Be discuraged by
This is the time t d sth.
Evaluate sb.
Guiding marks
从文章中找出下列重点短语（4）
Hard-wearing
18.人造的，非天然的
写出下列单词的词形变化
1.inventin n.发明，创造
____________v.发明
__________n.想法，看法，注意
________n.细节
____________n.想象力
______________v.探索
2. think v.
3.detailed adj.详细的
4.imagine v.想象
5. explrer n.探险者，勘探者
分析并背诵下列重点句型
The radi was invented by Guglielm Marcni in 1895.When was the digital camera develped? It was develped in the 1970s. Where was it develped? It was develped in Japan.What is a rcket used fr? It is used fr sending satellites r spaceships int space.
1.录音机是由Guglielm Marcni在1895年发明的。2.数码相机是在什么时候被发明的呢？他是在二十世纪七十年代被发明的。 3.它是在哪里被发明的？ 它在日本被发明的。4.火箭是被用来干嘛的？ 它是被用来发送火箭或者太空飞船进入太空的。
I wish I culd g int space sme day.I hpe yur dream will cme true.It’s said that he invented mre than tw thusand things during his life.Inventing is interesting and exciting and everyne can be an inventr.
5.我希望我能在某一天进入太空。6.我希望你的梦想实现。7.据说他一生发明了超过两千个东西。8.发明是有趣并且令人兴奋的，每个人都能成为发明家。
重点语法—被动式的过去时
聚焦一般过去时的被动语态结构:助动词(was/were)+及物动词的过去分词1.肯定句式 ：主语+was /were+v.-ed2.否定句式 ：主语+was/were + nt+v.-ed3.一般疑问句式： Was /Were+主语+vt.-ed4.特殊疑问句式：疑问词W/H+was/were+主语+v.-edE.g. An e-mail was sent t her friend by Jane yesterday. An e-mail wasn’t sent t her friend by Jane yesterday. Was an e-mail sent t her friend by Jane yesterday? Wh was the e-mail sent t by Jane yesterday?
( )1.He ___play cmputer games unless he finished his hmewrk. A. was allwed t B. was nt allwed t C. allw t( )2.We all knw that paper ___wd. A. is made f B. is made int C. is made frm( )3.This kind f machine ___in 2006. A. is invented B. is made C. was invented( )4.A(An)___is used fr taking phts. A .Camera B. Lift C. MP3 player( )5 .We shuld spend mre time ___because it’s t imprtant. A .t learn English B. learning English C. in English
( ) 6. A big supermarket _____in ur city last year. A. is built B. were built C. was built ( ) 7.Culd yu tell me wh the radi ____ by? A. invents B. invented C. was invented( ) 8. Many trees and flwers _____ in ur schl last year. They made ur schl mre beautiful. A. have planted B. were planted C. planted( ) 9.The children ____ swim last mnth and they can swim very well nw. A. are taught B. were taught C. were taught t( ) 10.It is said that ptat chips _____by mistake abut ne hundred years ag. A. were invented B. invented C. are invented
( ) 11. I have n idea what ______while I was asleep. A. happened B. was happened C. happens( ) 12. In sme cuntries, tea _____befre meals. A. is servingB. is servedC. served( ) 13. This kind f bks ______well. A. desn’t sellB. isn’t sellingC. aren’t sld.( ) 14. I ______ten minutes t decide which sentence was right by the teacher. A. gaveB. was givenC. was giving ( ) 15. Teachers ______in every part f the wrld. A. are needingB. are neededC. will need
( ) 16.Hurry up, yu ____ n the phne. A. WantedB. was wanted C. are wanted( ) 17. Sme stries _____the children by the teacher everyday. A. is tld frB. are tld fr C. are tld t( ) 18._____that he has studied abrad fr five years. A. It is saidB. It says C. That is said ( ) 19.The windw ____ five minutes ag. A. is cleaned B. was cleaned C. can be cleaned( ) 20.The children ______by the teachers at schl. A. take care f B. are taken care C. are taken care f
1.Yu are late, all the tickets __________(sell) ut an hur type f cellphne ____________(make )in Shenzhen.3. I _________________ ( nt invite) t yesterday’s party. 4. ________ thse machines __________(check) this mrning?5. Many trees and flwers ______________(plant) in ur schl last year, and they made ur schl a beautiful garden.
wasn’t invited
were planted
Fill in the blanks with the right prepsitin.
1.The desk is made _____ red wine is made _____ delicius cake was made ___my are made ___ grup is made up ___ fur kind f machine is made _____Japan.
Change the fllwing sentences.
1.My mther allws me t use her cellphne.(改为被动语态)I _____ ______ _____ use my mther’s cellphne.2.A rcket is used fr launching satellites and spaceships. (就画线部分提问) ____ ___ a rcket ___ ___?3.The digital camera was invented in 1975. (就划线部分提问)____ ____ the digital camera _______ ?4. Maybe he is an inventr. (改为同义句) He ____ ____ an inventr.
am allwed t
根据题干所给首字母填空
The light bulb is w______ used by peple everywhere. Thmas Edisn i_______ the light bulb in 1879. It’s s______ that he invented mre than tw thusand things during his life. The airplane was invented by Wilbur and Orville Wright in 1903. It’s d______ frm tday’s.
1.Peple used the light bulbs widely in the past. (改为被动语态） The light bulbs ______ ______ _______ by peple in the past.2. We can launch spaceships t explre ther planets. (改为被动语态） Spaceships ______ ____ _________t explre ther planets. 3. Gre Verbiniski directed the mvie Pirates f the Caribean in America. (对划线部分提问） _______ ______ Gre Verbiniski ________ the mvie Pirates f the Caribbean? 4. The MP3 player was develped arund 1998. (对划线部分提问) ________ ________ the MP3 player _______________?
were widely used
can be launched
Where did
When was
根据首字母提示，完成短文。
Thanks t GPS, we can exactly knw w _____we are nw. GPS is like a man-made “star”. It can be u____ in any place and any weather cnditin t find ut ur p________. In the past, the early explrers had t use stars in the s____ t tell them where they were, hwever, this methd didn’t wrk well when the weather was bad. S GPS is a great inventin that can help humans t better e________ ur planets.
从文章中找出下列重点短语（1）
spend …n sth./(in) ding sth.
1. 花费时间/金钱做某事
Be used fr ding sth.
the result f
It is said that
during his life
从文章中找出下列重点短语（2）
9.（事情）发生，出现
Be invented by
从文章中找出下列重点短语（3）
In the inventin prcess
Be discuraged by
This is the time t d sth.
Evaluate sb.
Guiding marks
从文章中找出下列重点短语（4）
Hard-wearing
18.人造的，非天然的
写出下列单词的词形变化
1.inventin n.发明，创造
____________v.发明
__________n.想法，看法，注意
________n.细节
____________n.想象力
______________v.探索
2. think v.
3.detailed adj.详细的
4.imagine v.想象
5. explrer n.探险者，勘探者
分析并背诵下列重点句型
The radi was invented by Guglielm Marcni in 1895.When was the digital camera develped? It was develped in the 1970s. Where was it develped? It was develped in Japan.What is a rcket used fr? It is used fr sending satellites r spaceships int space.
1.录音机是由Guglielm Marcni在1895年发明的。2.数码相机是在什么时候被发明的呢？他是在二十世纪七十年代被发明的。 3.它是在哪里被发明的？ 它在日本被发明的。4.火箭是被用来干嘛的？ 它是被用来发送火箭或者太空飞船进入太空的。
I wish I culd g int space sme day.I hpe yur dream will cme true.It’s said that he invented mre than tw thusand things during his life.Inventing is interesting and exciting and everyne can be an inventr.
5.我希望我能在某一天进入太空。6.我希望你的梦想实现。7.据说他一生发明了超过两千个东西。8.发明是有趣并且令人兴奋的，每个人都能成为发明家。
重点语法—被动式的过去时
聚焦一般过去时的被动语态结构:助动词(was/were)+及物动词的过去分词1.肯定句式 ：主语+was /were+v.-ed2.否定句式 ：主语+was/were + nt+v.-ed3.一般疑问句式： Was /Were+主语+vt.-ed4.特殊疑问句式：疑问词W/H+was/were+主语+v.-edE.g. An e-mail was sent t her friend by Jane yesterday. An e-mail wasn’t sent t her friend by Jane yesterday. Was an e-mail sent t her friend by Jane yesterday? Wh was the e-mail sent t by Jane yesterday?
( )1.He ___play cmputer games unless he finished his hmewrk. A. was allwed t B. was nt allwed t C. allw t( )2.We all knw that paper ___wd. A. is made f B. is made int C. is made frm( )3.This kind f machine ___in 2006. A. is invented B. is made C. was invented( )4.A(An)___is used fr taking phts. A .Camera B. Lift C. MP3 player( )5 .We shuld spend mre time ___because it’s t imprtant. A .t learn English B. learning English C. in English
( ) 6. A big supermarket _____in ur city last year. A. is built B. were built C. was built ( ) 7.Culd yu tell me wh the radi ____ by? A. invents B. invented C. was invented( ) 8. Many trees and flwers _____ in ur schl last year. They made ur schl mre beautiful. A. have planted B. were planted C. planted( ) 9.The children ____ swim last mnth and they can swim very well nw. A. are taught B. were taught C. were taught t( ) 10.It is said that ptat chips _____by mistake abut ne hundred years ag. A. were invented B. invented C. are invented
( ) 11. I have n idea what ______while I was asleep. A. happened B. was happened C. happens( ) 12. In sme cuntries, tea _____befre meals. A. is servingB. is servedC. served( ) 13. This kind f bks ______well. A. desn’t sellB. isn’t sellingC. aren’t sld.( ) 14. I ______ten minutes t decide which sentence was right by the teacher. A. gaveB. was givenC. was giving ( ) 15. Teachers ______in every part f the wrld. A. are needingB. are neededC. will need
( ) 16.Hurry up, yu ____ n the phne. A. WantedB. was wanted C. are wanted( ) 17. Sme stries _____the children by the teacher everyday. A. is tld frB. are tld fr C. are tld t( ) 18._____that he has studied abrad fr five years. A. It is saidB. It says C. That is said ( ) 19.The windw ____ five minutes ag. A. is cleaned B. was cleaned C. can be cleaned( ) 20.The children ______by the teachers at schl. A. take care f B. are taken care C. are taken care f
1.Yu are late, all the tickets __________(sell) ut an hur type f cellphne ____________(make )in Shenzhen.3. I _________________ ( nt invite) t yesterday’s party. 4. ________ thse machines __________(check) this mrning?5. Many trees and flwers ______________(plant) in ur schl last year, and they made ur schl a beautiful garden.
wasn’t invited
were planted
Fill in the blanks with the right prepsitin.
1.The desk is made _____ red wine is made _____ delicius cake was made ___my are made ___ grup is made up ___ fur kind f machine is made _____Japan.
Change the fllwing sentences.
1.My mther allws me t use her cellphne.(改为被动语态)I _____ ______ _____ use my mther’s cellphne.2.A rcket is used fr launching satellites and spaceships. (就画线部分提问) ____ ___ a rcket ___ ___?3.The digital camera was invented in 1975. (就划线部分提问)____ ____ the digital camera _______ ?4. Maybe he is an inventr. (改为同义句) He ____ ____ an inventr.
am allwed t
根据题干所给首字母填空
The light bulb is w______ used by peple everywhere. Thmas Edisn i_______ the light bulb in 1879. It’s s______ that he invented mre than tw thusand things during his life. The airplane was invented by Wilbur and Orville Wright in 1903. It’s d______ frm tday’s.
1.Peple used the light bulbs widely in the past. (改为被动语态） The light bulbs ______ ______ _______ by peple in the past.2. We can launch spaceships t explre ther planets. (改为被动语态） Spaceships ______ ____ _________t explre ther planets. 3. Gre Verbiniski directed the mvie Pirates f the Caribean in America. (对划线部分提问） _______ ______ Gre Verbiniski ________ the mvie Pirates f the Caribbean? 4. The MP3 player was develped arund 1998. (对划线部分提问) ________ ________ the MP3 player _______________?
were widely used
can be launched
Where did
When was
根据首字母提示，完成短文。
Thanks t GPS, we can exactly knw w _____we are nw. GPS is like a man-made “star”. It can be u____ in any place and any weather cnditin t find ut ur p________. In the past, the early explrers had t use stars in the s____ t tell them where they were, hwever, this methd didn’t wrk well when the weather was bad. S GPS is a great inventin that can help humans t better e________ ur planets.
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