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    Unit 6 导读 话题妙切入 教材讲解 2021-2022学年 外研版(2019)高中英语必修第一册

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    Unit 6 导读 话题妙切入 教材讲解 2021-2022学年 外研版(2019)高中英语必修第一册

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    The first in time and the first in importance of the influences upon the mind is that of nature.Ralph Waldo Emerson在所有对头脑的影响中大自然的影响可谓在时间上最早在作用上最为重要。——拉尔夫·沃尔多·艾默生We won't have a society if we destroy the environment.Maegaret Mead如果我们毁坏了环境社会将不复存在。——玛格丽特·米德Only to obey nature in order to overcome nature.Charles Darwin要征服自然只能服从自然。——查尔斯·达尔文Nature is kind of a loving motherbut also a butcher in cold blood.Victor Hugo自然不仅是慈爱的母亲也是冷血的屠夫。——维克多·雨果Nature is the mother of mankind.We get almost everything from her.We live on natural food.We make clothes from natural materials.And we build our houses of stone and wood.Howeverwith the development of human beingsman has destroyed the balance of nature.Waterair and soil have been badly polluted.Some kinds of animals and plants have died out completely.As a resultman is being punished by nature.Many people suffer a lot from all kinds of diseases caused by pollution.Therefore only when we treat nature well will she  look after us.The last hidden world—ChinaFor centuriestravellers to China have told tales of magical landscapes and surprising creatures.Chinese civilization is the world's oldest and today it's largest with well over a billion people.It's home to more than 50 distinct ethnic(种族的)groups and a wide range of traditional life styles often enclose partnership with nature.We know that China faces many social and environmental problems but there is great beauty here too.China is home to the world's highest mountainsvast desertscold areasteaming forests harboring rare creaturesgrassy plains beneath vast horizons and rich tropical seas.Late winter in southern Yunnan is a busy time for local farmers as they prepare the age­old rice field ready for the coming spring.These hill slopes of Yuanyang county plunge(斜插)nearly 2000m to the floor of the Red River Valley.Each contains thousands of terraces carved out by hand using basic digging tools.Yunnan's rice terraces are among the oldest human structures in China still ploughed as they always have been by cows whose ancestors originated in these very valleys.This man­made landscape is one of the most amazing engineering achievements of pre­industrial China.It seems as if every square inch of land has been pressed into cultivation.[探索发现]1What does this man­made landscape refer to in the last paragraph?It refers to Yunnan's rice terraces.2. What do you know other famous man­made landscape in China? 

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