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1、人教课标版人教课标版高一高一 必修必修 4Unit 2Listening Listening Listening on Page 15 What is the main topic of the conversation? The possible bad effects of chemical fertilizers on the fruit and vegetables that we eat today. 1.Paul thinks that Carrie is not telling him the truth.2.Using chemical fertilizers always m
2、akes vegetables empty inside.3.Todays fruit is not as healthy for people as fruit fifty years ago.4.Eating more vegetables might not always be good for us.5.All of todays vegetables look healthy but in fact are not.Listening T FT FT Listening on Page 48Do you remember the poem?天苍苍，野茫茫，风吹草低见牛羊。天苍苍，野茫
3、茫，风吹草低见牛羊。Can we see this beautiful scene again?Listening Listen to the tape and tick what you hear.1.Heat and little rain.2.Turning forests into farmland.3.Overusing fields to feed farm animals.4.Using new scientific farming methods.5.Wasting water in farms and at home.6.Farming too much on poor la
4、nd. Listen to the tape again and choose the best answer to each question.1.Why was North Africa important in the first century BC?2.A. Rome sent a lot of corn and wheat to North Africa.3.B. Land in North Africa was used to produce the bread that fed all of Rome.4.C. The desert in North Africa was fa
5、mous in Rome.2. How does farmland turn into desert?A.Wind blows away dry soil and then the land becomes sandy.B.Hot weather makes the land become sandy. C. Too many plants can make farmland become desert.3. How are new farming methods helping to stop the desert in Xinjiang?A. The methods let the farmers use les water.B. The methods let farmers grow the same amount of crops in less land.C. The methods do not use fertilizers.
