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外研版 (2019)必修 第一册Unit 5 Into the wild优秀ppt课件
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这是一份外研版 (2019)必修 第一册Unit 5 Into the wild优秀ppt课件，共55页。PPT课件主要包含了migration，red panda，Talking， time， position，plants，reach，decreased，a c，c a等内容，欢迎下载使用。
Unit 5Int the wild
T skim the passage by fcusing n key wrds t get the main ideaT understand the mnarch butterfly’s features and hw it migrates T knw why the number f mnarch butterflies falls and what peple shuld d t imprve the cnditin
Lk at the fllwing pictures.
Can yu use ne r tw wrds t describe their actin?
Animal migratin
Animal migratin refers t the mvement f a species (物种) frm ne habitat (栖息地) t anther in respnse t seasnal changes t the envirnment. Often cvering great distances and invlving huge numbers f animals, it can be fascinating t bserve. Migratin happens in all parts f the animal kingdm, frm fish and insects t birds, reptiles (爬行动物) and mammals (哺乳动物).
Why d animals migrate? When d animals migrate? Can human activities influence n animal migratin? Hw?
Lk at the pictures and chse the animals that migrate.
mnarch butterfly
Siberian crane
Atlantic salmn
killer whale
African lin
The animals that migrate include mnarch butterfly, Siberian crane, Atlantic salmn, and sme types f killer whales.
Nw talk abut what yu knw abut animal migratin.
Enjy a vide abut Mnarch migratin.
The Mnarch’s Jurney
Read the passage and find ut what mystery the scientists have slved.
The scientists have slved the mystery f hw mnarch butterflies manage t travel a lng distance and find their way t their destinatin.
Chse where yu are mst likely t find the passage.
In a scientific research paper abut the mnarch butterfly’s migratin.In a ppular nature magazine intrducing the mnarch butterfly.In a travel leaflet encuraging peple t visit Nrth America.
Why d yu chse that answer?
Lk at the mind map f the passage.
Frm the arrangement f the passage, which parts d yu think are mre imprtant in the passage? Why?
paragraph 3, 4 and 5The writer uses lnger paragraphs t tell us mre infrmatin --- the mnarch butterfly’s migratin, truble and peple’s effrts t imprve its cnditins.
Fill in the blanks in the chart.
The research n the mnarch butterfly
The ________ f its migratin
Its ppulatin
（t be cntinued）
It can ________ its ideal place.
Peple are _________ the envirnment.The ________ were killed and there is n fd fr the mnarch caterpillars.
It has the ability t tell the _________.It can find ut the ________ f the sun.
The ppulatin f the mnarch has __________ by 90%.
Cmplete the sentences with expressins frm the passage. Then use the sentences t cmplete the “cause-effect” flw charts.
The mnarch butterfly is able t tell _____________.b. Using these tw pieces f infrmatin, the mnarch butterfly determines ____________.
the time f day
the way t g
c. The mnarch butterfly measures _____________________ with its eyes.d. The mnarch butterfly reaches __________________________________.
the psitin f the sun
the places where it will spend the winter
e. Humans _________ trees.f. The ________________________________ where mnarchs can be fund is destryed.g. Humans use chemicals that _____________ that mnarch caterpillars eat.h. The mnarch butterfly’s ppulatin ___________________________________ in the last few years.
natural envirnment f many places
kill the plants
has crashed (by as much as 90 per cent)
Match the causes and the effects.
1. The mnarch butterfly is able t tell the time f day.
2. Peple cut dwn trees and use chemicals.
3. Peple have researched the mnarch's behaviur.
4. There are enugh plants fr the mnarch caterpillars.
A. Peple have begun t pay attentin t the mnarch.
B. The ppulatin f the mnarch will increase.
C. It can determine where it shuld g.
D. Mnarch caterpillars dn't have enugh plants t eat.
Chse the right item frm the bx and make the summary cmplete.
human activity, range wings, in danger, increase, psitin, awareness
Every autumn millins f Nrth American mnarch butterflies use their beautiful black and 1. ___________ t fly 4,000 km suth t sunny Califrnia and Mexic fr the winter.
range wings
Until recently it was nt knwn that they fund their way by lking at the time f day and the 2. ________ f the sun in the sky. This knwledge cmes at a time when the mnarch is 3. ________. Ppulatins have drpped by 90%, mstly due t 4. _____________.
in danger
human activity
It has hwever led t a greater 5. __________ and peple are wrking tgether t imprve the mnarch's chances f survival. Hpefully their numbers will 6. __________ in the future.
1. What impresses yu mst abut the mnarch butterfly?2. What can peple d t help prtect the mnarch butterfly?
Tips: Students can discuss the questins with their grup members. Then ne student answers the questins, but allw thers t add up.
What ther animals d yu knw have similar cnditin t the mnarch butterfly? What d yu think peple shuld d t help them?
animal;its living habits;its habitat;the prblem it faces;hw the prblem happens;slutin
Tips fr expressing ideas
1. One f the mst wnderful migratins in nature is that f the Nrth American mnarch butterfly.
ne f + 名词复数，谓语动词用单数，表示“……中之一”；that用来指代前面提到的内容，所指代的名词可以是可数名词，也可以是不可数名词。这一用法可以让句子更加简洁，避免重复与累赘。
【语境应用】给下列句子指出一处错误。1) One f my favrite sprts are jgging in the mrning.2) Yu must ntice that ne f yur shrtcming is lack f patience.
改写下面一句话，使句子变得更加简洁。The ppulatin f China is larger than the ppulatin f the UK.
that
2. Every autumn, millins f these beautiful insects with fine black and range wings begin a lng and difficult jurney. millins f, hundreds f, thusands f, billins f 等属于概数词，f后面接可数名词复数，短语前面不可以加具体的数词。 eg Millins f peple went back t their hmetwn at Spring Festival.
hundred / thusand / millin / billin用法：
hundred / thusand / millin / billin (单数形式)
hundreds / thusands / millins / billins (复数形式)
Tw hundred peple are enugh fr the wrk.
Billins f stars twinkled in the sky.
3. Smehw they manage t travel arund 4,000 kilmetres suth and find their way t Califrnia r Mexic. manage t d sth: t succeed in ding sth, especially sth. difficult 设法干成某事 eg We managed t get t the airprt in time. Hw did yu manage t persuade him?
try t d sth.: t make an effrt t d sth. 尽力去做某事（成功与否不确定）
A: The prblem is quite a challenge fr me, althugh I’ve _____ my best _________ (slve) it. I decide t give it up.B: Dn’t wrry. I can help.A: S glad t hear that. Please d have a try.B: (sme time later) Yes. I’ve ________________ (slve) it. Cme here. Let me shw yu hw I wrked it ut.
【语境应用】用manage和try填写下列对话，体会二者的区别。
tried t slve
managed t slve
4. It uses its eyes t measure the psitin f the sun. psitin n. the situatin that sb is in r the place where sb r sth is 位置；职位；状态 eg There must be a lt f peple in my psitin (处于我这种情况).
measure v. 1) t find the size, length, r amunt f sth量，测量; 2) t judge the imprtance, value, r true nature f sth 估量，判定eg The pnd measures abut tw metres acrss. It is difficult t measure the success f the campaign at this stage.
measure n. 1) 措施，方法；safety / emergency measures 安全/紧急措施 2) 量，程度；标准an accurate measure f ability 能力的准确评判eg Is this test a gd measure f reading cmprehensin? 这种测试是判断阅读理解的好方法吗？
【语境应用】用measure的正确形式来翻译下列句子。1) 他去量尺寸做新套服去了。2) 我们花了一上午量来量去，决定家具怎么摆。3) 我们必须采取强硬措施来解决该地区的犯罪。
He’s gne t be measured fr a new suit.
We spent the mrning measuring and deciding where the furniture wuld g.
We must take tugh measures t reduce crime in the area.
5. The slutin t the mystery f the mnarch’s amazing ability cmes at a time when it is in serius truble. the slutin t sth. ……的解决方法 常见的用介词t的短语有： the key t sth. ……的钥匙/关键所在 the answer t sth. ……的答案 the way t sth. ……的方法/道路 the entrance t sth. ……的入口
in (serius) truble : in an unpleasant, difficult r dangerus situatineg He is in serius truble and needs my help.“in+抽象名词” 短语有：in danger, in debt (处于负债中), in despair (处于绝望中), in dubt, in need, in peace, in pwer, in silence, in shck等
6. It’s ppulatin has crashed by as much as 90 per cent in the last few years. ppulatin 人口，人口数量，作主语时谓语动词单复数根据意思来定。提问人口数量多少时只能用what，不能用hw many。 eg The ppulatin is increasing at abut 6% per year. (ppulatin当做整体) One third f the wrld’s ppulatin cnsume (s) tw thirds f the resurces. What’s the ppulatin f China?
crash v. suddenly lse a lt 暴跌eg Share prices crashed t an all-time lw (前所未有的低记录) yesterday.
crash v. t hit extremely hard 碰撞，撞击； t lse very badly in a sprt溃败，惨败eg A track went ut f cntrl and crashed int the back f a bus. I crashed cmpletely in the first rund.
crash n. 碰撞；碰撞声；暴跌；失败；奔溃
【语境应用】指出下列句子中crash的意思和词性。 The tree fell with a great crash. Files can be lst if the system suddenly crashes.3) A girl was serius hurt in the yesterday’s car crash.4) She went ut f the rm angrily and crashed the dr heavily behind her.
7. Sadly, human activity is the main reasn why the number f mnarch butterflies is falling. the number f ……的数量中心词是number, 在句中作主语时谓语动词单复数和number一致。
a number f +n. [pl]，许多，大量可用large或small来修饰。作主语时，谓语动词用复数。
【语境应用】用be的恰当形式填空。Nwadays, a large number f animals ______ (be) in danger because f human activities. Gvernment and scientists have dne a lt t prtect them. S, the future is bright. We d believe that the number f sme animals _____ (be) increasing day by day.
8. They cut dwn trees and use chemicals that kill the plants that mnarch caterpillars eat. 本句中包含两个由关系代词that引导的定语从句。第一个定语从句中，先行词是chemicals，关系代词that在定语从句中作主语，可用which替换；在第二个定语从句中，先行词是plants，that在定语从句中作宾语，可省略。
9. The mre we knw abut this lvely creature, the greater the chance it will survive and keep its place in the natural wrld fr a lng time t cme.
the +比较级 ……, the +比较级 越…….越……(前者是条件，后者是结果)eg The mre I knw him, the mre I like him. The harder yu wrk, the luckier yu will be.
对比另一种形容词/副词比较级用法：比较级+ and +比较级，意为“越来越……”eg China is becming strnger and strnger.
【语境应用】翻译下列句子。 中国人民的生活越来越好。2) 我对这个城市了解的越多，就越喜欢它。
The lives f Chinese are better and better.
The mre I knw abut the city, the mre I lve it.
lvely adj. pleasant r enjyable 可爱的，令人愉快的英语中有些以“-ly”结尾的词是形容词，常见的有：friendly，likely (很可能的)，deadly(致命的)，lively(活泼的)， lnely (孤独的，荒凉的)，ugly，silly，daily，weekly， mnthly， yearly等。其中daily， weekly， mnthly，yearly也可以用作副词。
survive v. t cntinue t live after sth bad happened1) Of the six peple injured in the crash, nly tw survived.2) The cmpany managed t survive the ecnmic crisis.3) She survived her husband by ten years.4) I can’t survive n 400 yuan a mnth.
【语境应用】指出下列句子中survive的意思。
Write a shrt summary based n The Mnarch’s Jurney. Try t use as many new wrds and key expressins as yu can. Yur summary shuld nt be less than 100 wrds.
Unit 5Int the wild
T skim the passage by fcusing n key wrds t get the main ideaT understand the mnarch butterfly’s features and hw it migrates T knw why the number f mnarch butterflies falls and what peple shuld d t imprve the cnditin
Lk at the fllwing pictures.
Can yu use ne r tw wrds t describe their actin?
Animal migratin
Animal migratin refers t the mvement f a species (物种) frm ne habitat (栖息地) t anther in respnse t seasnal changes t the envirnment. Often cvering great distances and invlving huge numbers f animals, it can be fascinating t bserve. Migratin happens in all parts f the animal kingdm, frm fish and insects t birds, reptiles (爬行动物) and mammals (哺乳动物).
Why d animals migrate? When d animals migrate? Can human activities influence n animal migratin? Hw?
Lk at the pictures and chse the animals that migrate.
mnarch butterfly
Siberian crane
Atlantic salmn
killer whale
African lin
The animals that migrate include mnarch butterfly, Siberian crane, Atlantic salmn, and sme types f killer whales.
Nw talk abut what yu knw abut animal migratin.
Enjy a vide abut Mnarch migratin.
The Mnarch’s Jurney
Read the passage and find ut what mystery the scientists have slved.
The scientists have slved the mystery f hw mnarch butterflies manage t travel a lng distance and find their way t their destinatin.
Chse where yu are mst likely t find the passage.
In a scientific research paper abut the mnarch butterfly’s migratin.In a ppular nature magazine intrducing the mnarch butterfly.In a travel leaflet encuraging peple t visit Nrth America.
Why d yu chse that answer?
Lk at the mind map f the passage.
Frm the arrangement f the passage, which parts d yu think are mre imprtant in the passage? Why?
paragraph 3, 4 and 5The writer uses lnger paragraphs t tell us mre infrmatin --- the mnarch butterfly’s migratin, truble and peple’s effrts t imprve its cnditins.
Fill in the blanks in the chart.
The research n the mnarch butterfly
The ________ f its migratin
Its ppulatin
（t be cntinued）
It can ________ its ideal place.
Peple are _________ the envirnment.The ________ were killed and there is n fd fr the mnarch caterpillars.
It has the ability t tell the _________.It can find ut the ________ f the sun.
The ppulatin f the mnarch has __________ by 90%.
Cmplete the sentences with expressins frm the passage. Then use the sentences t cmplete the “cause-effect” flw charts.
The mnarch butterfly is able t tell _____________.b. Using these tw pieces f infrmatin, the mnarch butterfly determines ____________.
the time f day
the way t g
c. The mnarch butterfly measures _____________________ with its eyes.d. The mnarch butterfly reaches __________________________________.
the psitin f the sun
the places where it will spend the winter
e. Humans _________ trees.f. The ________________________________ where mnarchs can be fund is destryed.g. Humans use chemicals that _____________ that mnarch caterpillars eat.h. The mnarch butterfly’s ppulatin ___________________________________ in the last few years.
natural envirnment f many places
kill the plants
has crashed (by as much as 90 per cent)
Match the causes and the effects.
1. The mnarch butterfly is able t tell the time f day.
2. Peple cut dwn trees and use chemicals.
3. Peple have researched the mnarch's behaviur.
4. There are enugh plants fr the mnarch caterpillars.
A. Peple have begun t pay attentin t the mnarch.
B. The ppulatin f the mnarch will increase.
C. It can determine where it shuld g.
D. Mnarch caterpillars dn't have enugh plants t eat.
Chse the right item frm the bx and make the summary cmplete.
human activity, range wings, in danger, increase, psitin, awareness
Every autumn millins f Nrth American mnarch butterflies use their beautiful black and 1. ___________ t fly 4,000 km suth t sunny Califrnia and Mexic fr the winter.
range wings
Until recently it was nt knwn that they fund their way by lking at the time f day and the 2. ________ f the sun in the sky. This knwledge cmes at a time when the mnarch is 3. ________. Ppulatins have drpped by 90%, mstly due t 4. _____________.
in danger
human activity
It has hwever led t a greater 5. __________ and peple are wrking tgether t imprve the mnarch's chances f survival. Hpefully their numbers will 6. __________ in the future.
1. What impresses yu mst abut the mnarch butterfly?2. What can peple d t help prtect the mnarch butterfly?
Tips: Students can discuss the questins with their grup members. Then ne student answers the questins, but allw thers t add up.
What ther animals d yu knw have similar cnditin t the mnarch butterfly? What d yu think peple shuld d t help them?
animal;its living habits;its habitat;the prblem it faces;hw the prblem happens;slutin
Tips fr expressing ideas
1. One f the mst wnderful migratins in nature is that f the Nrth American mnarch butterfly.
ne f + 名词复数，谓语动词用单数，表示“……中之一”；that用来指代前面提到的内容，所指代的名词可以是可数名词，也可以是不可数名词。这一用法可以让句子更加简洁，避免重复与累赘。
【语境应用】给下列句子指出一处错误。1) One f my favrite sprts are jgging in the mrning.2) Yu must ntice that ne f yur shrtcming is lack f patience.
改写下面一句话，使句子变得更加简洁。The ppulatin f China is larger than the ppulatin f the UK.
that
2. Every autumn, millins f these beautiful insects with fine black and range wings begin a lng and difficult jurney. millins f, hundreds f, thusands f, billins f 等属于概数词，f后面接可数名词复数，短语前面不可以加具体的数词。 eg Millins f peple went back t their hmetwn at Spring Festival.
hundred / thusand / millin / billin用法：
hundred / thusand / millin / billin (单数形式)
hundreds / thusands / millins / billins (复数形式)
Tw hundred peple are enugh fr the wrk.
Billins f stars twinkled in the sky.
3. Smehw they manage t travel arund 4,000 kilmetres suth and find their way t Califrnia r Mexic. manage t d sth: t succeed in ding sth, especially sth. difficult 设法干成某事 eg We managed t get t the airprt in time. Hw did yu manage t persuade him?
try t d sth.: t make an effrt t d sth. 尽力去做某事（成功与否不确定）
A: The prblem is quite a challenge fr me, althugh I’ve _____ my best _________ (slve) it. I decide t give it up.B: Dn’t wrry. I can help.A: S glad t hear that. Please d have a try.B: (sme time later) Yes. I’ve ________________ (slve) it. Cme here. Let me shw yu hw I wrked it ut.
【语境应用】用manage和try填写下列对话，体会二者的区别。
tried t slve
managed t slve
4. It uses its eyes t measure the psitin f the sun. psitin n. the situatin that sb is in r the place where sb r sth is 位置；职位；状态 eg There must be a lt f peple in my psitin (处于我这种情况).
measure v. 1) t find the size, length, r amunt f sth量，测量; 2) t judge the imprtance, value, r true nature f sth 估量，判定eg The pnd measures abut tw metres acrss. It is difficult t measure the success f the campaign at this stage.
measure n. 1) 措施，方法；safety / emergency measures 安全/紧急措施 2) 量，程度；标准an accurate measure f ability 能力的准确评判eg Is this test a gd measure f reading cmprehensin? 这种测试是判断阅读理解的好方法吗？
【语境应用】用measure的正确形式来翻译下列句子。1) 他去量尺寸做新套服去了。2) 我们花了一上午量来量去，决定家具怎么摆。3) 我们必须采取强硬措施来解决该地区的犯罪。
He’s gne t be measured fr a new suit.
We spent the mrning measuring and deciding where the furniture wuld g.
We must take tugh measures t reduce crime in the area.
5. The slutin t the mystery f the mnarch’s amazing ability cmes at a time when it is in serius truble. the slutin t sth. ……的解决方法 常见的用介词t的短语有： the key t sth. ……的钥匙/关键所在 the answer t sth. ……的答案 the way t sth. ……的方法/道路 the entrance t sth. ……的入口
in (serius) truble : in an unpleasant, difficult r dangerus situatineg He is in serius truble and needs my help.“in+抽象名词” 短语有：in danger, in debt (处于负债中), in despair (处于绝望中), in dubt, in need, in peace, in pwer, in silence, in shck等
6. It’s ppulatin has crashed by as much as 90 per cent in the last few years. ppulatin 人口，人口数量，作主语时谓语动词单复数根据意思来定。提问人口数量多少时只能用what，不能用hw many。 eg The ppulatin is increasing at abut 6% per year. (ppulatin当做整体) One third f the wrld’s ppulatin cnsume (s) tw thirds f the resurces. What’s the ppulatin f China?
crash v. suddenly lse a lt 暴跌eg Share prices crashed t an all-time lw (前所未有的低记录) yesterday.
crash v. t hit extremely hard 碰撞，撞击； t lse very badly in a sprt溃败，惨败eg A track went ut f cntrl and crashed int the back f a bus. I crashed cmpletely in the first rund.
crash n. 碰撞；碰撞声；暴跌；失败；奔溃
【语境应用】指出下列句子中crash的意思和词性。 The tree fell with a great crash. Files can be lst if the system suddenly crashes.3) A girl was serius hurt in the yesterday’s car crash.4) She went ut f the rm angrily and crashed the dr heavily behind her.
7. Sadly, human activity is the main reasn why the number f mnarch butterflies is falling. the number f ……的数量中心词是number, 在句中作主语时谓语动词单复数和number一致。
a number f +n. [pl]，许多，大量可用large或small来修饰。作主语时，谓语动词用复数。
【语境应用】用be的恰当形式填空。Nwadays, a large number f animals ______ (be) in danger because f human activities. Gvernment and scientists have dne a lt t prtect them. S, the future is bright. We d believe that the number f sme animals _____ (be) increasing day by day.
8. They cut dwn trees and use chemicals that kill the plants that mnarch caterpillars eat. 本句中包含两个由关系代词that引导的定语从句。第一个定语从句中，先行词是chemicals，关系代词that在定语从句中作主语，可用which替换；在第二个定语从句中，先行词是plants，that在定语从句中作宾语，可省略。
9. The mre we knw abut this lvely creature, the greater the chance it will survive and keep its place in the natural wrld fr a lng time t cme.
the +比较级 ……, the +比较级 越…….越……(前者是条件，后者是结果)eg The mre I knw him, the mre I like him. The harder yu wrk, the luckier yu will be.
对比另一种形容词/副词比较级用法：比较级+ and +比较级，意为“越来越……”eg China is becming strnger and strnger.
【语境应用】翻译下列句子。 中国人民的生活越来越好。2) 我对这个城市了解的越多，就越喜欢它。
The lives f Chinese are better and better.
The mre I knw abut the city, the mre I lve it.
lvely adj. pleasant r enjyable 可爱的，令人愉快的英语中有些以“-ly”结尾的词是形容词，常见的有：friendly，likely (很可能的)，deadly(致命的)，lively(活泼的)， lnely (孤独的，荒凉的)，ugly，silly，daily，weekly， mnthly， yearly等。其中daily， weekly， mnthly，yearly也可以用作副词。
survive v. t cntinue t live after sth bad happened1) Of the six peple injured in the crash, nly tw survived.2) The cmpany managed t survive the ecnmic crisis.3) She survived her husband by ten years.4) I can’t survive n 400 yuan a mnth.
【语境应用】指出下列句子中survive的意思。
Write a shrt summary based n The Mnarch’s Jurney. Try t use as many new wrds and key expressins as yu can. Yur summary shuld nt be less than 100 wrds.
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