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人教版 (新课标)选修9&10选修9Unit 4 Exploring planets图片ppt课件
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这是一份人教版 (新课标)选修9&10选修9Unit 4 Exploring planets图片ppt课件，共32页。PPT课件主要包含了unusual，photo，shaped，trap，downwards，escaping，bottom，amazing，fantastic，a bit等内容，欢迎下载使用。
Using Language
Listen t the text.
UNUSUAL PLANTS
Listen t Mark (M), Grdn (G) and Andrea (A) telling their class and their teacher (TH) abut sme plants.
Listen again and fill in the blanks.
TH: Tday Mark, Grdn and Andrea are ging t tell us abut sme _______ plants. Mark, d yu want t g first?M: Sure. Tday, I want t ____ _____ an insect-eating plant called a pitcher plant.
Here’s a _____ f it. Lk at this part here. It’s _______ like a pitcher. It’s actually a leaf _____ ______ it lks like a flwer. It’s really clever --- the insects ____ _________ ___ the sweet smell cming frm what they think is a flwer. But it’s a _____.
even thugh
are attracted by
Once an insect ges dwn int the pitcher, it can’t get ut as there are small hard hairs pinting __________ that prevent it frm ________. In the end, the insect falls dwn int a pl f liquid at the _______ f the pitcher and gets digested by the plant.
S1: That’s ________!S2: What ________ plants!TH: Grdn.G: These are the plants I’m ging t talk abut. They’re ften called “living stnes”, but even thugh they d lk ___ ____ like stnes, they are in fact plants.
S3: Ww!S4: Hw interesting!G: Their ________ name is Lithps and they cme frm Suth Africa and Namibia. The bdy f a lithps is actually a pair f ______ that have becme ________ like a stne. This is because this plant lives in very _____
and dry places. When the leaves are _______ like this, nt much water is lst frm the plant. Anther interesting thing abut these _______ plants is that they’re the same clur and __________ f the sil and stnes arund it. This makes them less ________ t animals lking fr fd.
TH: Thanks, Grdn. Andrea.A: I’m ging t tell yu ______ Rafflesia arnldii, a plant that has a flwer abut ne metre ____. In fact, it’s the ______ flwer in the wrld. Rafflesia arnldii desn’t have any leaves, _____ r _____. It desn’t need them as it’s a parasite. It gets its fd by
living n anther plant. Yu might think that this flwer shuld smell __________ but it actually lks and smells like rtting meat!S2: Oh, yuck!S1: That’s __________!S3: I think it’s fantastic!
A: Me t. _______, it _______ insects that eat dead animals but ______ ___ getting a feed, the insects ____ ___ its pllen and _______ it t ther Rafflesias, Rafflesia arnldii grws in the jungles in Indnesia but as the frests are being ____ _____, it’s becming very _____.
TH: Thanks Andrea and thanks everyne. Thse plants are certainly fascinating.
Wrkbk-Listening
THE DESTRUCTION OF TROPICAL RAINFORESTSEd Walker (E) is interviewing Dr Anne Butler (A) abut the destructin f trpical rainfrests.
E: Anne, we hear a lt these days abut hw _______ trpical rainfrests are ____________.A: Yes, that's right. Rainfrests nw _____ nly 6% f the earth's land surface. They used t cver abut ____, s mre than half f the wrld's trpical rainfrests have
disappearing
been _________, and that's in less than 50 years. _____ 150 acres f rainfrest is lst every minute in Asia, Africa, Central and Suth America.E: That's ___________.
unbelievable
A: Yes, it's ___________. The last _________ rainfrests culd be gne in less than 40 years.E: But why is this happening?A: Well, there are __ _______ ___ reasns. As ppulatins increase, peple need mre land t ____ ___. Frests are cut dwn t plant crps r t start farms.
frightening
a number f
The wd is sld fr firewd r building materials, furniture and paper, ___ _______. And there are als mining cmpanies which destry the frests in their search ____ minerals.E: I ________ peple have t make a living.
A: Yes, but yu knw, peple can make mre mney by __________ things like fruits, nuts and ils, ___ ____ ___ plants that can be used in medicine than by cutting dwn the frests.E: Oh really? I didn't knw that. Nw, culd yu ______ sme f the reasns why it’s nt a gd idea t destry rainfrests?
as well as
A: Sure. Yu must have heard abut the ____ animal and plant life in trpical rainfrests. Well, there are abut ___ millin species f plants and animals in the wrld. _____ ____ half f these live in the trpical rainfrests. S, destrying rainfrests _______ that thusands f these species are ______ ___ befre we’ve even realized it.
dying ut
E: I’ve heard t that the rainfrest culd _______ us _____ cures fr diseases.A: Yes, there are certainly many new drugs _______ ___ ___ discvered. Anther prblem is that the __________ f frests ___________ ___ glbal warming.
waiting t be
cntributes t
Als, rainfrests _______ a lt f rain s that there's a cnstant _______ f clean water running int rivers and lakes. If the trees are cut dwn, the rain isn't absrbed and there is flding.E: S, what can individuals d t help _____ _____ the destructin?A: That's a gd questin ...
Wrkbk-Listening Task
AN EXPERIMENT ON PLANTSPart 1: Listen t a teacher (TH) helping her class set up an experiment.
TH: OK, everybdy, this mrning we’re ging t d an ___________ t _____ ____ three imprtant cnditins that seeds need in rder t start ________.
The materials are all n the bench.Chse smene _____ yur grup t g and get fur dishes and fur ______ ___ clth, a dish f seeds, sme tap water, sme biled water and sme cking il. Lk at the ___________ n the bard. Let’s read thrugh them.
pieces f
instructins
One: Put the pieces f clth n the dishes and _______ the seeds n the clth. Label the dishes A t D.Tw: Take Dish A and ____ the clth with tap water and ______ it in a well-aired warm spt — s by the windw ver there wuld be fine.Three: Take Dish B, wet it with tap water and put it in the _______.
Fur: Take Dish C and put it _____ t Dish A. D nt water it.Five: Take Dish D and water it with the biled water. Then _____ a small _______ ___ il nt the clth and put it next t Dish C.Six: Leave them all fr a few days. OK, nw yu can ___ _____ and ____ ___ the experiment.
Part 2: Listen t the class discussing the results f the experiment. Students include Andrew (A), Rsemary (R) and Sandy (S). TH: Right, let’s _____ _____ what’s happened in ur experiment. What are the results? Andrew?A: The seeds in Dish A have started grwing but _____ f the thers have.
talk abut
TH: Gd. _____ d yu think the seeds in Dish B didn’t grw? Rsemary? R: Because it was t cld?TH: That’s right. And _____ _____ Dish C?
R: The seeds didn’t get ____ water s they culdn’t grw.TH: Yes. Nw, Dish D is interesting. The seeds gt ______ water and warmth s why didn’t they grw? Any ideas? Andrew?
A: Well, the seeds gt ______ water.TH: S, why’s that imprtant? Anyne? Well, biled water has ___ xygen in it and seeds need xygen t grw. And What abut the il? Sandy?S: Wuldn’t the il _____ ____ that n xygen culd get t the seeds?
TH: Excellent. ____ _____. S, what’s ur __________ abut three imprtant cnditins that a seed needs in rder t start grwing?S: That seeds need warmth, water and xygen t grw.TH: Very gd. Nw I want yu all t _____ ___ the experiment in yur science ntebk.
Using Language
Listen t the text.
UNUSUAL PLANTS
Listen t Mark (M), Grdn (G) and Andrea (A) telling their class and their teacher (TH) abut sme plants.
Listen again and fill in the blanks.
TH: Tday Mark, Grdn and Andrea are ging t tell us abut sme _______ plants. Mark, d yu want t g first?M: Sure. Tday, I want t ____ _____ an insect-eating plant called a pitcher plant.
Here’s a _____ f it. Lk at this part here. It’s _______ like a pitcher. It’s actually a leaf _____ ______ it lks like a flwer. It’s really clever --- the insects ____ _________ ___ the sweet smell cming frm what they think is a flwer. But it’s a _____.
even thugh
are attracted by
Once an insect ges dwn int the pitcher, it can’t get ut as there are small hard hairs pinting __________ that prevent it frm ________. In the end, the insect falls dwn int a pl f liquid at the _______ f the pitcher and gets digested by the plant.
S1: That’s ________!S2: What ________ plants!TH: Grdn.G: These are the plants I’m ging t talk abut. They’re ften called “living stnes”, but even thugh they d lk ___ ____ like stnes, they are in fact plants.
S3: Ww!S4: Hw interesting!G: Their ________ name is Lithps and they cme frm Suth Africa and Namibia. The bdy f a lithps is actually a pair f ______ that have becme ________ like a stne. This is because this plant lives in very _____
and dry places. When the leaves are _______ like this, nt much water is lst frm the plant. Anther interesting thing abut these _______ plants is that they’re the same clur and __________ f the sil and stnes arund it. This makes them less ________ t animals lking fr fd.
TH: Thanks, Grdn. Andrea.A: I’m ging t tell yu ______ Rafflesia arnldii, a plant that has a flwer abut ne metre ____. In fact, it’s the ______ flwer in the wrld. Rafflesia arnldii desn’t have any leaves, _____ r _____. It desn’t need them as it’s a parasite. It gets its fd by
living n anther plant. Yu might think that this flwer shuld smell __________ but it actually lks and smells like rtting meat!S2: Oh, yuck!S1: That’s __________!S3: I think it’s fantastic!
A: Me t. _______, it _______ insects that eat dead animals but ______ ___ getting a feed, the insects ____ ___ its pllen and _______ it t ther Rafflesias, Rafflesia arnldii grws in the jungles in Indnesia but as the frests are being ____ _____, it’s becming very _____.
TH: Thanks Andrea and thanks everyne. Thse plants are certainly fascinating.
Wrkbk-Listening
THE DESTRUCTION OF TROPICAL RAINFORESTSEd Walker (E) is interviewing Dr Anne Butler (A) abut the destructin f trpical rainfrests.
E: Anne, we hear a lt these days abut hw _______ trpical rainfrests are ____________.A: Yes, that's right. Rainfrests nw _____ nly 6% f the earth's land surface. They used t cver abut ____, s mre than half f the wrld's trpical rainfrests have
disappearing
been _________, and that's in less than 50 years. _____ 150 acres f rainfrest is lst every minute in Asia, Africa, Central and Suth America.E: That's ___________.
unbelievable
A: Yes, it's ___________. The last _________ rainfrests culd be gne in less than 40 years.E: But why is this happening?A: Well, there are __ _______ ___ reasns. As ppulatins increase, peple need mre land t ____ ___. Frests are cut dwn t plant crps r t start farms.
frightening
a number f
The wd is sld fr firewd r building materials, furniture and paper, ___ _______. And there are als mining cmpanies which destry the frests in their search ____ minerals.E: I ________ peple have t make a living.
A: Yes, but yu knw, peple can make mre mney by __________ things like fruits, nuts and ils, ___ ____ ___ plants that can be used in medicine than by cutting dwn the frests.E: Oh really? I didn't knw that. Nw, culd yu ______ sme f the reasns why it’s nt a gd idea t destry rainfrests?
as well as
A: Sure. Yu must have heard abut the ____ animal and plant life in trpical rainfrests. Well, there are abut ___ millin species f plants and animals in the wrld. _____ ____ half f these live in the trpical rainfrests. S, destrying rainfrests _______ that thusands f these species are ______ ___ befre we’ve even realized it.
dying ut
E: I’ve heard t that the rainfrest culd _______ us _____ cures fr diseases.A: Yes, there are certainly many new drugs _______ ___ ___ discvered. Anther prblem is that the __________ f frests ___________ ___ glbal warming.
waiting t be
cntributes t
Als, rainfrests _______ a lt f rain s that there's a cnstant _______ f clean water running int rivers and lakes. If the trees are cut dwn, the rain isn't absrbed and there is flding.E: S, what can individuals d t help _____ _____ the destructin?A: That's a gd questin ...
Wrkbk-Listening Task
AN EXPERIMENT ON PLANTSPart 1: Listen t a teacher (TH) helping her class set up an experiment.
TH: OK, everybdy, this mrning we’re ging t d an ___________ t _____ ____ three imprtant cnditins that seeds need in rder t start ________.
The materials are all n the bench.Chse smene _____ yur grup t g and get fur dishes and fur ______ ___ clth, a dish f seeds, sme tap water, sme biled water and sme cking il. Lk at the ___________ n the bard. Let’s read thrugh them.
pieces f
instructins
One: Put the pieces f clth n the dishes and _______ the seeds n the clth. Label the dishes A t D.Tw: Take Dish A and ____ the clth with tap water and ______ it in a well-aired warm spt — s by the windw ver there wuld be fine.Three: Take Dish B, wet it with tap water and put it in the _______.
Fur: Take Dish C and put it _____ t Dish A. D nt water it.Five: Take Dish D and water it with the biled water. Then _____ a small _______ ___ il nt the clth and put it next t Dish C.Six: Leave them all fr a few days. OK, nw yu can ___ _____ and ____ ___ the experiment.
Part 2: Listen t the class discussing the results f the experiment. Students include Andrew (A), Rsemary (R) and Sandy (S). TH: Right, let’s _____ _____ what’s happened in ur experiment. What are the results? Andrew?A: The seeds in Dish A have started grwing but _____ f the thers have.
talk abut
TH: Gd. _____ d yu think the seeds in Dish B didn’t grw? Rsemary? R: Because it was t cld?TH: That’s right. And _____ _____ Dish C?
R: The seeds didn’t get ____ water s they culdn’t grw.TH: Yes. Nw, Dish D is interesting. The seeds gt ______ water and warmth s why didn’t they grw? Any ideas? Andrew?
A: Well, the seeds gt ______ water.TH: S, why’s that imprtant? Anyne? Well, biled water has ___ xygen in it and seeds need xygen t grw. And What abut the il? Sandy?S: Wuldn’t the il _____ ____ that n xygen culd get t the seeds?
TH: Excellent. ____ _____. S, what’s ur __________ abut three imprtant cnditins that a seed needs in rder t start grwing?S: That seeds need warmth, water and xygen t grw.TH: Very gd. Nw I want yu all t _____ ___ the experiment in yur science ntebk.
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