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初中Lesson 30 Science Affects Us评课课件ppt
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这是一份初中Lesson 30 Science Affects Us评课课件ppt，共27页。PPT课件主要包含了Words and，everyday，change，原文呈现，Homework等内容，欢迎下载使用。
Yes, I knw.
I dn’t knw.
I knw these ways.Ha!Ha!
Travel is nw much mre cmfrtable and faster than in the last century. Why is there such a big change nw?
Because science affects us
D yu knw hw they cmmunicated with smebdy far away in the past?
They cmmunicated by letter r telephne.
What wuld life be like withut cmputers r mbile phne?
Learning aims
T read and understand the e-mails abut science.2. T knw hw science affects ur life.3. T learn sme useful wrds and expressins: suggest, develpment, mbile phne, discvery, turn…ver, push…up, push dwn, in place
affectsuggestdevelpmentmbile phnediscvery
v. 影响v. 建议，提议；暗示 发展n. 手机n. 发现；发觉
1.Brian,Danny and Jenny did an experiment at Jenny’s hme. ( )2. Jenny and Wang Mei bth think science is interesting. ( )3.Wang Mei thinks cmputers will change the wrld. ( ) 4.Jenny enjyed learning abut DNA. ( )
Listen t the passage and write true (T) r false (F).
Science affects peple’s _________ lives. Withut the scientific develpments f recent years, ur lives wuld be very different. Can yu imagine life withut cmputers r _____________? Scientific ___________ are making ur lives better and better. DNA is really ne f the mst amazing things n the earth. Many peple think it will ________ the wrld.
mbile phnes
Read the lessn and fill in the blanks.
Hi Wang Mei, Hw are yu? Everyne here is fine.D yu want t surprise yur friends? Brian, Danny and I did an experiment in science class this week. I suggest yu try it, t! First, get a jar full f water and a piece f cardbard. Cver the jar with the cardbard and turn the jar ver. Next, take yur hand ff. Can yu guess what happens? The cardbard hlds the water in the jar!
suggest v. 建议，提议1) suggest sth. t sb. 向某人建议某事2) suggest ding sth. 建议做某事3) suggest that (shuld + d) 建议……4) suggestin n. 建议
本句中的短语full f water用在名词jar之后作定语,不定式、介词短语和定语从句等都可用在名词后作定语。
turn…ver意为“将……翻过来。”【拓展】 turn ver还意为“移交,仔细考虑”。
The air pressure pushing up n the cardbard is higher than that f the water pushing dwn frm inside the jar. The higher air pressure utside the jar hlds the cardbard in place.Science is interesting. Dn't yu think s?Jenny
push up意为“向上推,提高”。
that用来替代“the+前述名词”,以避免重复。
push dwn意为“向下按,推倒,压倒”。
in place意为“原位,在恰当的位置”。【拓展】 (1)in place f sb./sth.=in sb.’s/sth’s place代替/顶替某人/物 (2)take place发生(3)take sb.’s/sth.’s place=take the place f sb./sth.代替/替换某人/物
Dear Jenny,I'm very well. Thanks! The experiment yu did sunds interesting. Yes, science is interesting, and it affects ur everyday lives. Our lives wuld surely be very different withut scientific develpments. I always wnder what life wuld be like withut cmputers r mbile phnes.
affect为及物动词,意为“影响”,相当于influence,常构成短语:be affected by被……影响。【拓展】 effect为名词,意为“结果,影响”。 have an effect n意为“对……有影响”。
develpment为名词,意为“发展,成长”,the develpment f意为“……的发展”。【拓展】 develp为动词,意为“(使)成长,发展”,a develping cuntry发展中国家, a develped cuntry发达国家。
wnder为及物动词,意为“惊奇,想知道”,相当于want t knw,其后可接“疑问词+动词不定式”结构和宾语从句。【拓展】 (1)wnder还可作不及物动词,意为“觉得奇怪,想知道”,可构成短语wnder abut/at。(2)wnder还可作可数名词,意为“奇迹”。(3)wnderful为形容词,意为“美妙的”。
Scientific discveries are making ur lives better and better.This week we had sme science lessns, t. I enjyed learning abut DNA. It's really ne f the mst amazing things n the earth! Seientists are ding s many new things with DNA. I think it will change the wrld. It will be interesting t see what happens.Wang Mei
better and better意为“越来越好”。形容词或副词的比较级重复使用,并用and连接,表示程度的增加,意为“越来越……”,这一结构是“比较级+and+比较级”。如果是多音节的形容词或副词表达这一含义时应用“mre and mre+形容词或副词的原级”表示。【拓展】 “the+比较级,the+比较级”意为“越……越……”。
discvery作可数名词，意为“发现、发觉”，复数形式是discveries。e.g This is an imprtant discvery.这是一个重要的发现。discver是及物动词，意为“发现”，后加名词、代词或宾语从句。e.g We have discvered their secrets. 我们已经发现了他们的秘密。
Fill in the blanks with the crrect frms f the wrds in the bx.
discver affect suggest place develp
1. Jenny _________________ they use a strnger piece f cardbard fr the experiment.2. The air pressure _____________ the result f the experiment.
suggests/suggested
affects/affected
3. The experiment led t a wnderful _________.4. What are yur plans fr the ____________ f yur cmpany?5. They used a rck t hld the map in _____.
Here are sme inventins. Hw d they affect ur everyday lives? Talk abut them with yur partner.
TV camera radi cmputer telephne light bulb clck washing machine cmpass telescpe X-ray eyeglasses
With TV Withut TV
I watch TV t get infrmatin.________________________________________________________________________________
I wuld spend mre time talking with my family.____________________________________________________________
Ⅰ. 单项选择。( )1. —Bb never des his hmewrk _____ Mary. —Yes, he makes lts f mistakes. A. s careful B. as carefully asC. carefully D. as careful as( )2. —D yu knw this by?—Which by?—The ne _____ under the big tree. A. lay B. lain C. laying D. lying
( )3. —Hw d yu knw that she likes singing?—I ften hear her _____ after class. A. t sing B. sangC. sing D. Sings( )4. They stpped _____ , but there was n mre sund. A. t listen B. t hearC. listening D. hearing( )5. My yunger brther isn’t _____ t take care f himself. A. enugh ld B. ld enughC. small enugh D. enugh small
Ⅱ . 根据汉语提示完成句子。1. I ________ (建议) yu ask him sme specific questins abut his past. 2. The talks will fcus n ecnmic ____________ (发展)f the regin. 3. The _________ (发现) f America is generally referred t Clumbus. 4. Mre than seven millin peple have been________ (影响) by drught.5. The ______ _______ (手机) is nw a must-have fr children.
mbile phne
Ⅲ. 翻译下列句子。1. 闹钟确实响了，但我翻个身又接着睡着了。(turn ver) The alarm did ring but I turned ver and went back t sleep. 2. 我并不负责提高销售额。(push up) It’s nt my jb t push up the sales. 3.书都放得整整齐齐, 井井有条。(in place)The bks were all neatly in place, carefully arranged.
1. Preview the wrds and expressins in Lessn31.2. Write a cmpsitin abut ur lives in the future. Hand it in next class.
Yes, I knw.
I dn’t knw.
I knw these ways.Ha!Ha!
Travel is nw much mre cmfrtable and faster than in the last century. Why is there such a big change nw?
Because science affects us
D yu knw hw they cmmunicated with smebdy far away in the past?
They cmmunicated by letter r telephne.
What wuld life be like withut cmputers r mbile phne?
Learning aims
T read and understand the e-mails abut science.2. T knw hw science affects ur life.3. T learn sme useful wrds and expressins: suggest, develpment, mbile phne, discvery, turn…ver, push…up, push dwn, in place
affectsuggestdevelpmentmbile phnediscvery
v. 影响v. 建议，提议；暗示 发展n. 手机n. 发现；发觉
1.Brian,Danny and Jenny did an experiment at Jenny’s hme. ( )2. Jenny and Wang Mei bth think science is interesting. ( )3.Wang Mei thinks cmputers will change the wrld. ( ) 4.Jenny enjyed learning abut DNA. ( )
Listen t the passage and write true (T) r false (F).
Science affects peple’s _________ lives. Withut the scientific develpments f recent years, ur lives wuld be very different. Can yu imagine life withut cmputers r _____________? Scientific ___________ are making ur lives better and better. DNA is really ne f the mst amazing things n the earth. Many peple think it will ________ the wrld.
mbile phnes
Read the lessn and fill in the blanks.
Hi Wang Mei, Hw are yu? Everyne here is fine.D yu want t surprise yur friends? Brian, Danny and I did an experiment in science class this week. I suggest yu try it, t! First, get a jar full f water and a piece f cardbard. Cver the jar with the cardbard and turn the jar ver. Next, take yur hand ff. Can yu guess what happens? The cardbard hlds the water in the jar!
suggest v. 建议，提议1) suggest sth. t sb. 向某人建议某事2) suggest ding sth. 建议做某事3) suggest that (shuld + d) 建议……4) suggestin n. 建议
本句中的短语full f water用在名词jar之后作定语,不定式、介词短语和定语从句等都可用在名词后作定语。
turn…ver意为“将……翻过来。”【拓展】 turn ver还意为“移交,仔细考虑”。
The air pressure pushing up n the cardbard is higher than that f the water pushing dwn frm inside the jar. The higher air pressure utside the jar hlds the cardbard in place.Science is interesting. Dn't yu think s?Jenny
push up意为“向上推,提高”。
that用来替代“the+前述名词”,以避免重复。
push dwn意为“向下按,推倒,压倒”。
in place意为“原位,在恰当的位置”。【拓展】 (1)in place f sb./sth.=in sb.’s/sth’s place代替/顶替某人/物 (2)take place发生(3)take sb.’s/sth.’s place=take the place f sb./sth.代替/替换某人/物
Dear Jenny,I'm very well. Thanks! The experiment yu did sunds interesting. Yes, science is interesting, and it affects ur everyday lives. Our lives wuld surely be very different withut scientific develpments. I always wnder what life wuld be like withut cmputers r mbile phnes.
affect为及物动词,意为“影响”,相当于influence,常构成短语:be affected by被……影响。【拓展】 effect为名词,意为“结果,影响”。 have an effect n意为“对……有影响”。
develpment为名词,意为“发展,成长”,the develpment f意为“……的发展”。【拓展】 develp为动词,意为“(使)成长,发展”,a develping cuntry发展中国家, a develped cuntry发达国家。
wnder为及物动词,意为“惊奇,想知道”,相当于want t knw,其后可接“疑问词+动词不定式”结构和宾语从句。【拓展】 (1)wnder还可作不及物动词,意为“觉得奇怪,想知道”,可构成短语wnder abut/at。(2)wnder还可作可数名词,意为“奇迹”。(3)wnderful为形容词,意为“美妙的”。
Scientific discveries are making ur lives better and better.This week we had sme science lessns, t. I enjyed learning abut DNA. It's really ne f the mst amazing things n the earth! Seientists are ding s many new things with DNA. I think it will change the wrld. It will be interesting t see what happens.Wang Mei
better and better意为“越来越好”。形容词或副词的比较级重复使用,并用and连接,表示程度的增加,意为“越来越……”,这一结构是“比较级+and+比较级”。如果是多音节的形容词或副词表达这一含义时应用“mre and mre+形容词或副词的原级”表示。【拓展】 “the+比较级,the+比较级”意为“越……越……”。
discvery作可数名词，意为“发现、发觉”，复数形式是discveries。e.g This is an imprtant discvery.这是一个重要的发现。discver是及物动词，意为“发现”，后加名词、代词或宾语从句。e.g We have discvered their secrets. 我们已经发现了他们的秘密。
Fill in the blanks with the crrect frms f the wrds in the bx.
discver affect suggest place develp
1. Jenny _________________ they use a strnger piece f cardbard fr the experiment.2. The air pressure _____________ the result f the experiment.
suggests/suggested
affects/affected
3. The experiment led t a wnderful _________.4. What are yur plans fr the ____________ f yur cmpany?5. They used a rck t hld the map in _____.
Here are sme inventins. Hw d they affect ur everyday lives? Talk abut them with yur partner.
TV camera radi cmputer telephne light bulb clck washing machine cmpass telescpe X-ray eyeglasses
With TV Withut TV
I watch TV t get infrmatin.________________________________________________________________________________
I wuld spend mre time talking with my family.____________________________________________________________
Ⅰ. 单项选择。( )1. —Bb never des his hmewrk _____ Mary. —Yes, he makes lts f mistakes. A. s careful B. as carefully asC. carefully D. as careful as( )2. —D yu knw this by?—Which by?—The ne _____ under the big tree. A. lay B. lain C. laying D. lying
( )3. —Hw d yu knw that she likes singing?—I ften hear her _____ after class. A. t sing B. sangC. sing D. Sings( )4. They stpped _____ , but there was n mre sund. A. t listen B. t hearC. listening D. hearing( )5. My yunger brther isn’t _____ t take care f himself. A. enugh ld B. ld enughC. small enugh D. enugh small
Ⅱ . 根据汉语提示完成句子。1. I ________ (建议) yu ask him sme specific questins abut his past. 2. The talks will fcus n ecnmic ____________ (发展)f the regin. 3. The _________ (发现) f America is generally referred t Clumbus. 4. Mre than seven millin peple have been________ (影响) by drught.5. The ______ _______ (手机) is nw a must-have fr children.
mbile phne
Ⅲ. 翻译下列句子。1. 闹钟确实响了，但我翻个身又接着睡着了。(turn ver) The alarm did ring but I turned ver and went back t sleep. 2. 我并不负责提高销售额。(push up) It’s nt my jb t push up the sales. 3.书都放得整整齐齐, 井井有条。(in place)The bks were all neatly in place, carefully arranged.
1. Preview the wrds and expressins in Lessn31.2. Write a cmpsitin abut ur lives in the future. Hand it in next class.
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