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外研版 (2019)选择性必修 第一册Unit 6 Nurturing nature备课课件ppt
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这是一份外研版 (2019)选择性必修 第一册Unit 6 Nurturing nature备课课件ppt，共32页。PPT课件主要包含了Grammar，现在完成进行时，Pair work 等内容，欢迎下载使用。
Present perfect cntinuus
◇Which f these statements is true abut sentence (a)?A. Wild animal started using these passages in the past.B. Wild animals used these passages nly nce.C. Wild animals still use these passages nw.
Activity 1: Lk at the sentences frm the reading passage and answer the questins.
a Wild animals such as these Tibetan antelpes have nw been using these passages fr years.b I knw it, we have reached Tanggula Statin.
a Wild animals such as these Tibetan antelpe have nw been using these passages fr years.b I knw it, we have reached Tanggula Statin.
◇What’s the difference between the expressins in bld in sentences (a) and (b)?
Sentence (a) is in present perfect cntinuus (have been ding), which shws that smething ①started in the past, ②has cntinued up until nw and ③will prbably cntinue in the future.
Sentence (b) is in present perfect (have dne), which shws that smething ①started in the past and cntinues in the present r ②smething that happened in the past but is imprtant in the present.
◇Nw lk fr mre sentences with the present perfect cntinuus tense in the reading passage.
The train has been racing alng steadily since it left Xining.All this time, the sng “Sky Railway” has been playing inside my head.The Qinghai-Tibet Plateau has been attracting peple’s admiratin fr
Present perfect cntinuus现在完成进行时
① I’ve been wrking with her fr 20 years.② Tm has been phning Alice every night fr several mnths.
主语+have / has been ding
◇现在完成进行时表示从过去开始一直延续到现在的动作，该动作在说话时仍在继续进行，而且可能还要继续下去。◇现在完成进行时还可以表示从过去到现在的一段时间被反复进行的动作或存在的状态。◇现在完成进行时常与表示一段时间的状语连用，例如：all the time, this week, all night, these few days, fr..., since...等。例如：A private detective has been tailing him fr several weeks.
1. 在不用时间状语的情况下，现在完成进行时的动作不一定已经完成，很可能持续下去，而现在完成时一般表示动作已经完成。即现在完成进行时强调动作的延续性，而现在完成时强调动作的结果。例如：① I’ve been designing slar racing cars. 我一直在设计太阳能赛车。② I’ve designed five r six different cars. 我已经设计五六辆不同的小汽车了。2. 现在完成进行时往往表示动作在重复，而现在完成时一般不表示动作的重复。例如：① I’ve been taking part in races fr fur years. 我这四年一直在参加比赛。② Hw many races have yu taken part in? 你参加多少场比赛了？3. 现在完成进行时与所有进行时态一样带有感情色彩，可使表达显得生动，而现在完成时往往只表明一个事实、一种影响或结果，不带感情色彩。例如：What have yu been ding? Yu lk fed up. 你一直在干什么呀？你看上去很不高兴。
III. 现在完成进行时与现在完成时的区别
Activity 2: Cmplete the passage with the crrect frm f the verbs in brackets.
I 1 _______________ (hear) a strange sund fr a while. It’s a deep, lud rar, like a lin’s. But there aren’t any lins here ... Or are there? Sn I see what 2 _______________ (make) the nise: a hwler mnkey. Nw I feel less wrried. Realising that smething 3___________ (mve) n my shulder, I turn my head t lk at it. Oh n! It’s a giant spider! I brush it ff and it runs under sme leaves. I try t bat away the huge insects, which 4 ______________ (fly) arund my head in a black clud fr quite a while.I pull ff the headset and I’m back in my living rm. Thank gdness! I 5_______________ (give) the latest virtual reality headset and, fr the last twenty minutes, I 6 _____________ (use) it t explre the Amazn. This is an amazing experience and a reminder f hw many species there are in the rain frest. We must d all we can t prtect it.
have been hearing
has been making
have been given
have been using
have been flying
Activity 3: Lk at the charts and make sentences using the present perfect cntinuus tense.
The number f trees has been increasing in the last 20 years.
Butterfly ppulatin has been increasing / has been becming larger and larger in the last 20 years.
Desert areas have been reducing in the last 20 years.
Example: I started playing basketball tw years ag.
1. Lisa started running tw years ag. Lisa _______________ fr tw years. 2. My neighbr started living here ne year ag. My neighbr _________________ here fr ne year. 3. My baby sister started sleeping ne hur ag. My baby sister _________________ fr ne hur. 4. The teacher started talking 30 minutes ag. The teacher _________________ fr 30 minutes. 5. The bys and girls started listening t music 20 minutes ag. The bys and girls __________________ t music fr 20 minutes.
I have been playing basketball fr tw years.
has been running
Exercise 1: Change each sentence int a present perfect cntinuus sentence.
has been living
has been sleeping
has been talking
have been listening
1. 这些年来，他们一直为我们杂志写稿。2. 从下午四点钟到现在，她一直在写信。3. 我们一直在这所学校学习了三年。4. 你看了多久电视了?
Hw lng have yu been watching TV?
We have been studying in this schl fr three years.
She has been writing the letter since fur ’ clck in the afternn.
All these years they have been cntributing articles t ur magazine.
Exercise 2: Translate the fllwing sentences int English using present perfect cntinuus tense.
1. The first use f atmic weapns (原子武器)was in 1945, and their pwer ____________________(increase) ever since.2. Years ag we didn’t knw this, but recent science ___________(shw) that peple wh dn’t sleep well get ill easily.3. —Lk! Smebdy ___________(clean) the sfa.—Well, it wasn’t me. I didn’t d it.4. —Hw lng ___________ yu ______________(wrk) in the factry? —Since 1990.
Activity 3:Let’s practice
has been increasing
has cleaned
have been wrking
Let’s practice
5．In rder t find the missing child, villagers _______________ (d) all they can ver the past five hurs.6．The manager _______________(tell) the wrkers hw t imprve the prgram since 9 am.7．The tw friends __________________(chat) n the Internet fr three hurs, and they will g n till next mrning.
Activity 3:Let’s practice
have been ding
has been telling
have been chatting
I 1 __________________(hear) a strange sund fr a while. It’s a deep, lud rar, like a lin’s .But there aren’t any lins here… Or are there? Sn I see what 2__________________(make) the nise: a hwler mnkey. Nw I feel less wrried. Realizing that smething 3____________(mve) n my shulder, I turn my head t lk at it . Oh n! It’s a giant spider! I brush it ff and it runs under sme leaves.
Activity4:Cmplete the passage with the crrect frm f the verbs in brackets.
has been making
I try t bat away the huge insects, which 4_______________(fly) arund my head in a black clud fr quite a while. I pull ff the headset and I`m back in my living rm. Thank gdness! I5______________(give) the latest virtual reality headset and, fr the last twenty minutes, I 6__________________(use) it t explre the Amazn.
Activity 4:Cmplete the passage with the crrect frm f the verbs in brackets.
Listening & speaking
Ecturism is a type f turism that cnserves the envirnment. It encurages peple t be respnsible travellers and invlves educating them abut the natural wrld.
Did Yu Knw?
Fr cuntries such as Csta Rica , Kenya and Nepal, ecturism is an imprtant part f the ecnmy. Sme ecturism hlidays invlve vluntary wrk, such as planting trees r cunting endangered animals.
Listen t the cnversatin and chse the places mentined.
Listen again and cmplete the ntes.
Rachel wants t: 1___________________ and plant trees. als 2______ rhins, which will help prtect them. eat lcal fd.Rachel’s dad thinks: he can eat that kind f fd at hme. the activities sund like 3___________.
hike in the muntains
Check the answers
The first ptin
Rachel wants t: lk after 4__________. sleep in a tree huse.Rachel’s dad wants t:5_______________ and read a bk.
lie n the beach
The secnd ptin
They will stay in 6___________.Rachel can d ecturism activities while her dad des what he likes.They will g n 7_________________ f the jungle.
a nice htel
a ne-day bike tur
What type f travel d yu prefer?
Cmplete the bxes with the expressins frm the cnversatin.
The fact is that ... Wuldn’t yu agree that ... ? I agree, but …
Let’s find a cmprmise. Let’s meet in the middle. As a cmprmise, …
Vcabulary building
White Beach is a beach n the island f Bracay in the Philippines. Its white sand, which bends twards the turquise water, is dtted with palm trees. White Beach is f curse a beautiful place t relax in a sun lunger and watch the spectacular sunset.
Backgrund infrmatin
Cmplete the passage with the expressins in the bx.(P67)
As turism develps, peple are becming increasingly cncerned abut the envirnment. Here in ur city, there is a heated discussin abut whether a htel shuld be built at White Beach. The wner f the cmpany thinks the htel wuld attract mre turists, which will 1______________________________________ and 2___________________. Hwever, the lcal peple wrry that building the htel is 3______________ and will 4_________________, in particular the turtles which lay their eggs n White Beach. But they als admit that building the htel will 5________________ fr peple living in the area. Even thugh the wner f the cmpany guarantees that the design will be in harmny with its beautiful surrundings, the lcal peple are still cncerned that the htel may 6 ______ _______________. Increased turist numbers will als mean mre cars and aerplanes, which in turn means 7______________________.
Listen t the passage and check yur answers. (P67)
create new pprtunities fr new businesses
help the lcal ecnmy
nt ec-friendly
disturb the wildlife
prvide mre jbs
natural resurces
higher carbn emissins
1. nt ec-friendly 2. disturbing the wildlife 3. using up natural resurces 4. higher carbn emissins5. plluting inshre seawater 6. destrying lcal eclgical envirnment... …
Disadvantages
Think abut mre advantages and disadvantages
1. attracting mre turists 2. creating pprtunities fr new businesses 3. helping the lcal ecnmy 4. prviding mre jbs fr peple living in the area5. raising awareness f prtecting lcal wildlife6. prviding lcals with a chance t experience cultures ...
Cmplete the bxes with the expressins frm the passage.
Present perfect cntinuus
◇Which f these statements is true abut sentence (a)?A. Wild animal started using these passages in the past.B. Wild animals used these passages nly nce.C. Wild animals still use these passages nw.
Activity 1: Lk at the sentences frm the reading passage and answer the questins.
a Wild animals such as these Tibetan antelpes have nw been using these passages fr years.b I knw it, we have reached Tanggula Statin.
a Wild animals such as these Tibetan antelpe have nw been using these passages fr years.b I knw it, we have reached Tanggula Statin.
◇What’s the difference between the expressins in bld in sentences (a) and (b)?
Sentence (a) is in present perfect cntinuus (have been ding), which shws that smething ①started in the past, ②has cntinued up until nw and ③will prbably cntinue in the future.
Sentence (b) is in present perfect (have dne), which shws that smething ①started in the past and cntinues in the present r ②smething that happened in the past but is imprtant in the present.
◇Nw lk fr mre sentences with the present perfect cntinuus tense in the reading passage.
The train has been racing alng steadily since it left Xining.All this time, the sng “Sky Railway” has been playing inside my head.The Qinghai-Tibet Plateau has been attracting peple’s admiratin fr
Present perfect cntinuus现在完成进行时
① I’ve been wrking with her fr 20 years.② Tm has been phning Alice every night fr several mnths.
主语+have / has been ding
◇现在完成进行时表示从过去开始一直延续到现在的动作，该动作在说话时仍在继续进行，而且可能还要继续下去。◇现在完成进行时还可以表示从过去到现在的一段时间被反复进行的动作或存在的状态。◇现在完成进行时常与表示一段时间的状语连用，例如：all the time, this week, all night, these few days, fr..., since...等。例如：A private detective has been tailing him fr several weeks.
1. 在不用时间状语的情况下，现在完成进行时的动作不一定已经完成，很可能持续下去，而现在完成时一般表示动作已经完成。即现在完成进行时强调动作的延续性，而现在完成时强调动作的结果。例如：① I’ve been designing slar racing cars. 我一直在设计太阳能赛车。② I’ve designed five r six different cars. 我已经设计五六辆不同的小汽车了。2. 现在完成进行时往往表示动作在重复，而现在完成时一般不表示动作的重复。例如：① I’ve been taking part in races fr fur years. 我这四年一直在参加比赛。② Hw many races have yu taken part in? 你参加多少场比赛了？3. 现在完成进行时与所有进行时态一样带有感情色彩，可使表达显得生动，而现在完成时往往只表明一个事实、一种影响或结果，不带感情色彩。例如：What have yu been ding? Yu lk fed up. 你一直在干什么呀？你看上去很不高兴。
III. 现在完成进行时与现在完成时的区别
Activity 2: Cmplete the passage with the crrect frm f the verbs in brackets.
I 1 _______________ (hear) a strange sund fr a while. It’s a deep, lud rar, like a lin’s. But there aren’t any lins here ... Or are there? Sn I see what 2 _______________ (make) the nise: a hwler mnkey. Nw I feel less wrried. Realising that smething 3___________ (mve) n my shulder, I turn my head t lk at it. Oh n! It’s a giant spider! I brush it ff and it runs under sme leaves. I try t bat away the huge insects, which 4 ______________ (fly) arund my head in a black clud fr quite a while.I pull ff the headset and I’m back in my living rm. Thank gdness! I 5_______________ (give) the latest virtual reality headset and, fr the last twenty minutes, I 6 _____________ (use) it t explre the Amazn. This is an amazing experience and a reminder f hw many species there are in the rain frest. We must d all we can t prtect it.
have been hearing
has been making
have been given
have been using
have been flying
Activity 3: Lk at the charts and make sentences using the present perfect cntinuus tense.
The number f trees has been increasing in the last 20 years.
Butterfly ppulatin has been increasing / has been becming larger and larger in the last 20 years.
Desert areas have been reducing in the last 20 years.
Example: I started playing basketball tw years ag.
1. Lisa started running tw years ag. Lisa _______________ fr tw years. 2. My neighbr started living here ne year ag. My neighbr _________________ here fr ne year. 3. My baby sister started sleeping ne hur ag. My baby sister _________________ fr ne hur. 4. The teacher started talking 30 minutes ag. The teacher _________________ fr 30 minutes. 5. The bys and girls started listening t music 20 minutes ag. The bys and girls __________________ t music fr 20 minutes.
I have been playing basketball fr tw years.
has been running
Exercise 1: Change each sentence int a present perfect cntinuus sentence.
has been living
has been sleeping
has been talking
have been listening
1. 这些年来，他们一直为我们杂志写稿。2. 从下午四点钟到现在，她一直在写信。3. 我们一直在这所学校学习了三年。4. 你看了多久电视了?
Hw lng have yu been watching TV?
We have been studying in this schl fr three years.
She has been writing the letter since fur ’ clck in the afternn.
All these years they have been cntributing articles t ur magazine.
Exercise 2: Translate the fllwing sentences int English using present perfect cntinuus tense.
1. The first use f atmic weapns (原子武器)was in 1945, and their pwer ____________________(increase) ever since.2. Years ag we didn’t knw this, but recent science ___________(shw) that peple wh dn’t sleep well get ill easily.3. —Lk! Smebdy ___________(clean) the sfa.—Well, it wasn’t me. I didn’t d it.4. —Hw lng ___________ yu ______________(wrk) in the factry? —Since 1990.
Activity 3:Let’s practice
has been increasing
has cleaned
have been wrking
Let’s practice
5．In rder t find the missing child, villagers _______________ (d) all they can ver the past five hurs.6．The manager _______________(tell) the wrkers hw t imprve the prgram since 9 am.7．The tw friends __________________(chat) n the Internet fr three hurs, and they will g n till next mrning.
Activity 3:Let’s practice
have been ding
has been telling
have been chatting
I 1 __________________(hear) a strange sund fr a while. It’s a deep, lud rar, like a lin’s .But there aren’t any lins here… Or are there? Sn I see what 2__________________(make) the nise: a hwler mnkey. Nw I feel less wrried. Realizing that smething 3____________(mve) n my shulder, I turn my head t lk at it . Oh n! It’s a giant spider! I brush it ff and it runs under sme leaves.
Activity4:Cmplete the passage with the crrect frm f the verbs in brackets.
has been making
I try t bat away the huge insects, which 4_______________(fly) arund my head in a black clud fr quite a while. I pull ff the headset and I`m back in my living rm. Thank gdness! I5______________(give) the latest virtual reality headset and, fr the last twenty minutes, I 6__________________(use) it t explre the Amazn.
Activity 4:Cmplete the passage with the crrect frm f the verbs in brackets.
Listening & speaking
Ecturism is a type f turism that cnserves the envirnment. It encurages peple t be respnsible travellers and invlves educating them abut the natural wrld.
Did Yu Knw?
Fr cuntries such as Csta Rica , Kenya and Nepal, ecturism is an imprtant part f the ecnmy. Sme ecturism hlidays invlve vluntary wrk, such as planting trees r cunting endangered animals.
Listen t the cnversatin and chse the places mentined.
Listen again and cmplete the ntes.
Rachel wants t: 1___________________ and plant trees. als 2______ rhins, which will help prtect them. eat lcal fd.Rachel’s dad thinks: he can eat that kind f fd at hme. the activities sund like 3___________.
hike in the muntains
Check the answers
The first ptin
Rachel wants t: lk after 4__________. sleep in a tree huse.Rachel’s dad wants t:5_______________ and read a bk.
lie n the beach
The secnd ptin
They will stay in 6___________.Rachel can d ecturism activities while her dad des what he likes.They will g n 7_________________ f the jungle.
a nice htel
a ne-day bike tur
What type f travel d yu prefer?
Cmplete the bxes with the expressins frm the cnversatin.
The fact is that ... Wuldn’t yu agree that ... ? I agree, but …
Let’s find a cmprmise. Let’s meet in the middle. As a cmprmise, …
Vcabulary building
White Beach is a beach n the island f Bracay in the Philippines. Its white sand, which bends twards the turquise water, is dtted with palm trees. White Beach is f curse a beautiful place t relax in a sun lunger and watch the spectacular sunset.
Backgrund infrmatin
Cmplete the passage with the expressins in the bx.(P67)
As turism develps, peple are becming increasingly cncerned abut the envirnment. Here in ur city, there is a heated discussin abut whether a htel shuld be built at White Beach. The wner f the cmpany thinks the htel wuld attract mre turists, which will 1______________________________________ and 2___________________. Hwever, the lcal peple wrry that building the htel is 3______________ and will 4_________________, in particular the turtles which lay their eggs n White Beach. But they als admit that building the htel will 5________________ fr peple living in the area. Even thugh the wner f the cmpany guarantees that the design will be in harmny with its beautiful surrundings, the lcal peple are still cncerned that the htel may 6 ______ _______________. Increased turist numbers will als mean mre cars and aerplanes, which in turn means 7______________________.
Listen t the passage and check yur answers. (P67)
create new pprtunities fr new businesses
help the lcal ecnmy
nt ec-friendly
disturb the wildlife
prvide mre jbs
natural resurces
higher carbn emissins
1. nt ec-friendly 2. disturbing the wildlife 3. using up natural resurces 4. higher carbn emissins5. plluting inshre seawater 6. destrying lcal eclgical envirnment... …
Disadvantages
Think abut mre advantages and disadvantages
1. attracting mre turists 2. creating pprtunities fr new businesses 3. helping the lcal ecnmy 4. prviding mre jbs fr peple living in the area5. raising awareness f prtecting lcal wildlife6. prviding lcals with a chance t experience cultures ...
Cmplete the bxes with the expressins frm the passage.
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