(共15张PPT)
Period 2
Unit 6 Nurturing nature
主题语境
人与自然—— 自然环境，自然遗产保护
1．The text mainly tells us ________．
A．the Qinghai-Tibet Railway is the impossible railway
B．workers met many difficulties in the process of the Qinghai-Tibet Railway
C．the building of the Qinghai-Tibet Railway and the challenges it met
D．the Qinghai-Tibet Railway is the one we should be proud of
课时练案 课文整体阅读(Understanding ideas)
√
2．What is the third paragraph mainly about
A．Qingshuihe Bridge is the world's longest bridge built over permafrost．
B．Tibetan antelopes can move on the bridge and eat grass at their leisure．
C．The train speed can be at over 100 kilometres an hour．
D．Qingshuihe Bridge and the animals protection．
√
1．What's the biggest challenge for the Sky Railway
A．The length was out of imagination．
B．The air there was too thin．
C．The ecosystem was too delicate．
D．The working condition was too poor．
√
2．Why were so many bridges built on the Sky Railway
A．To prevent damage to wetlands．
B．To climb up the mountains．
C．To allow animals to move safely．
D．To shorten the length of the railway．
3．What's the function of thousands of sandbags along the lake
A．Preventing the grasslands being brushed．
B．Protecting the lake from construction waste．
C．Making a safe distinct mark for the birds．
D．Stopping the cattle and sheep running away．
√
√
4．What's the author's purpose of writing the passage
A．To prove that humans can conquer nature．
B．To highlight the amount of work required to build the Qinghai-Tibet Railway．
C．To praise the workers' efforts in building the Qinghai-Tibet Railway．
D．To prove that humans can't survive without nature．
√
1．What do you think of the ways the builders protected wetlands and grasslands
__________________________________________________________
2．Please find out some adjectives to describe the beauty of the Qinghai-Tibet Plateau and the greatness of the Qinghai-Tibet Railway．
__________________________________________________________
[答案] 略
the “roof of the world”
delicate
safely and freely
wetlands and grasslands
oxygen- making stations
a long wall
magical landscapes
1．delicate adj．易损的；易碎的；脆弱的；虚弱的；纤弱的；清淡可口的；清香的；微妙的
①(教材P83)How to protect the delicate ecosystem was among the top concerns．
______
② She is so delicate that she can hardly lift even a book． _____________
③Parents still have a major role to play, but now it is more delicate． ______
④Young haricot beans have a tender texture and a delicate flavour．
_________________
脆弱的
虚弱的；纤弱的
微妙的
清淡可口的；清香的
2．wander v．徘徊；漫游；闲逛；游荡；(思想)开小差，走神；蜿蜒；迂回曲折
①(教材P84) Water birds playing in the lake, and cattle and sheep wandering the grasslands bring the scenery to life． __________
② During these waits, the brain slips away from the body and wanders about until the water runs over the edge of the counter and onto your socks． __________________
③The road wanders along through the hills to the plain．
______________
徘徊；漫游
(思想)开小差，走神
蜿蜒；迂回曲折
1．(学会断句)Sitting back in my seat, I can't quite believe/that I'm about to travel along the railway/that many foreign experts claimed/was “impossible”．
[分析] 句中“Sitting back in my seat”为动词-ing形式短语作________，that I'm about to...“impossible”为____从句，其中that many foreign...“impossible”为that引导的____从句。
[翻译] 靠坐在火车的座位上，我仍然不敢相信，我将要沿着许多外国专家声称“不可能建成”的铁路开始一段旅程。
时间状语
宾语
定语
2．(学会断句)To prevent damage to wetlands and grasslands, 675 bridges with a total length of about 160 kilometres/were built between Golmud and Lhasa．
[分析] 本句是一个简单句。“To prevent...grasslands”为动词不定式短语作________，with a total length of about 160 kilometres为介词短语作____，修饰675 bridges, between Golmud and Lhasa为介词短语作________。
[翻译] 为了避免破坏湿地和草原，我们在格尔木和拉萨之间建造了675座大桥，总长度约160千米。
目的状语
定语
地点状语
1．(续写佳句)As we pass Cuona Lake，I feel a sense of pride and achievement．
火车经过措那湖时，一股自豪感和成就感在我心中油然而生。
2．(续写佳句)Cuona Lake is so close to the railway that I want to reach out and touch its pale blue mirror-like surface．
现在，措那湖离火车这么近，我好想伸出手去摸一摸它那镜面似的浅蓝色湖面。
3．(续写佳句)I am proud that we built our “impossible” railway，and did so with the care that the environment deserves．
我们建成了一条“不可能建成”的铁路，并且给予当地环境充分的保护，我为此感到骄傲和自豪。
The first landmark to catch my eye is the splendid Qingshuihe Bridge, the world's longest bridge built over permafrost．Look! A group of Tibetan antelopes is moving under the bridge, with some stopping to eat grass at their leisure．Thirty-three passages have been built under the railway to allow the animals to move safely and freely in their natural habitat．Wild animals such as these Tibetan antelopes have now been using these passages for years．They seem totally unaware that we are speeding past at over 100 kilometres an hour．Period 2 课文整体阅读(Understanding ideas)
1．The text mainly tells us ．
A．the Qinghai-Tibet Railway is the impossible railway
B．workers met many difficulties in the process of the Qinghai-Tibet Railway
C．the building of the Qinghai-Tibet Railway and the challenges it met
D．the Qinghai-Tibet Railway is the one we should be proud of
[答案] C
2．What is the third paragraph mainly about
A．Qingshuihe Bridge is the world's longest bridge built over permafrost．
B．Tibetan antelopes can move on the bridge and eat grass at their leisure．
C．The train speed can be at over 100 kilometres an hour．
D．Qingshuihe Bridge and the animals protection．
[答案] D
1．What's the biggest challenge for the Sky Railway
A．The length was out of imagination．
B．The air there was too thin．
C．The ecosystem was too delicate．
D．The working condition was too poor．
[答案] C
2．Why were so many bridges built on the Sky Railway
A．To prevent damage to wetlands．
B．To climb up the mountains．
C．To allow animals to move safely．
D．To shorten the length of the railway．
[答案] A
3．What's the function of thousands of sandbags along the lake
A．Preventing the grasslands being brushed．
B．Protecting the lake from construction waste．
C．Making a safe distinct mark for the birds．
D．Stopping the cattle and sheep running away．
[答案] B
4．What's the author's purpose of writing the passage
A．To prove that humans can conquer nature．
B．To highlight the amount of work required to build the Qinghai-Tibet Railway．
C．To praise the workers' efforts in building the Qinghai-Tibet Railway．
D．To prove that humans can't survive without nature．
[答案] C
1．What do you think of the ways the builders protected wetlands and grasslands
2．Please find out some adjectives to describe the beauty of the Qinghai-Tibet Plateau and the greatness of the Qinghai-Tibet Railway．
[答案] 略
1．delicate adj．易损的；易碎的；脆弱的；虚弱的；纤弱的；清淡可口的；清香的；微妙的
①(教材P83)How to protect the delicate ecosystem was among the top concerns．
脆弱的
② She is so delicate that she can hardly lift even a book． 虚弱的；纤弱的
③Parents still have a major role to play, but now it is more delicate． 微妙的
④Young haricot beans have a tender texture and a delicate flavour．
清淡可口的；清香的
2．wander v．徘徊；漫游；闲逛；游荡；(思想)开小差，走神；蜿蜒；迂回曲折
①(教材P84) Water birds playing in the lake, and cattle and sheep wandering the grasslands bring the scenery to life． 徘徊；漫游
② During these waits, the brain slips away from the body and wanders about until the water runs over the edge of the counter and onto your socks． (思想)开小差，走神
③The road wanders along through the hills to the plain． 蜿蜒；迂回曲折
1．(学会断句)Sitting back in my seat, I can't quite believe/that I'm about to travel along the railway/that many foreign experts claimed/was “impossible”．
[分析] 句中“Sitting back in my seat”为动词-ing形式短语作时间状语，that I'm about to．．．“impossible”为宾语从句，其中that many foreign．．．“impossible”为that引导的定语从句。
[翻译] 靠坐在火车的座位上，我仍然不敢相信，我将要沿着许多外国专家声称“不可能建成”的铁路开始一段旅程。
2．(学会断句)To prevent damage to wetlands and grasslands, 675 bridges with a total length of about 160 kilometres/were built between Golmud and Lhasa．
[分析] 本句是一个简单句。“To prevent．．．grasslands”为动词不定式短语作目的状语，with a total length of about 160 kilometres为介词短语作定语，修饰675 bridges, between Golmud and Lhasa为介词短语作地点状语。
[翻译] 为了避免破坏湿地和草原，我们在格尔木和拉萨之间建造了675座大桥，总长度约160千米。
1．(续写佳句)As we pass Cuona Lake，I feel a sense of pride and achievement．
火车经过措那湖时，一股自豪感和成就感在我心中油然而生。
2．(续写佳句)Cuona Lake is so close to the railway that I want to reach out and touch its pale blue mirror-like surface．
现在，措那湖离火车这么近，我好想伸出手去摸一摸它那镜面似的浅蓝色湖面。
3．(续写佳句)I am proud that we built our “impossible” railway，and did so with the care that the environment deserves．
我们建成了一条“不可能建成”的铁路，并且给予当地环境充分的保护，我为此感到骄傲和自豪。
The first landmark to catch my eye is the splendid Qingshuihe Bridge, the world's longest bridge built over permafrost．Look! A group of Tibetan antelopes is moving under the bridge, with some stopping to eat grass at their leisure．Thirty-three passages have been built under the railway to allow the animals to move safely and freely in their natural habitat．Wild animals such as these Tibetan antelopes have now been using these passages for years．They seem totally unaware that we are speeding past at over 100 kilometres an hour．
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