高一英语unit19-period1

Discussion:
Do you think it necessary for farmers in modern times to learn more about the science knowledge?
Give reasons to support your idea.
You can give advice and make decisions with the help of the useful expressions listed on Page 45.
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3 Listen to the tape and complete the sentences by using your own words.
When farming goes against nature, environmenta __________l problems are the result. The earliest farmers destroyed _______ nature. Their way of agriculture led to floods ______ and droughts _______ .It is an old truth that against nature. The land farming should not go ______ ________ wet that Tan and Xiao Zao bought was too ____and / growing crops could not be used for farming ___________________ __ . instead they changed the fields into fishponds ______ .On / ducks / chickens and their farm they kept fish _________________ fruit trees . grew ________
Giving advice and making decisions: In my opinion, you should … I think he is right … If I were you … Wouldn’t it be better if …? We can’t do both, so… The other idea sounds better to me… We have to make a choice …. As far as I can see, the best thing would be to …
fertilise (fertiliser)
1.Listen to the tape. The passage you hear talks about
( ) history of farming √
( √ ) farmers in China
( ) protection of nature √
What caused these changes?
100% 90% 80% 70% 60% 50% 40% 30% 20% 10%
life money population healthy diet
Grain Cotton Oil
Sugar Meat Fish
Fruit
→
Growth of farm products in 1991-95 compared with 1986-90 percentages
It’s necessary. 1 To read what is written on bags of chemicals they buy , to know how to use them . 2 To read the instructions on how to use new tools and machines. 3 To learn and use new methods of farming. 4 To experiment and share their results and discoveries in written reports with others. 5 To learn the latest policy ,laws etc.
Pre-listening
In order to keep the vegetables in the fields grow better, what does a farmer need to do?
water them regularly(irrigation)
plough the fields
( ) trees √
( ) environmental problems ( ) farmers in America √
( ) fishing
( ) pigs
(√ ) dikes
2 Which of the following sentences are true (T) and which are false (F)?
1 In early times farmers in China moved around and burnt forests . (T ) 2 Some All farmers in South America burn forests to create farmland . ( F) 3 Floods and droughts are disasters that farmers cannot ( F) can stop. 4 Some of the land in China is too wet to grow crops.(T ) don’t damage nature. 5 Fish farmers damage nature. ( F)
Unit 19 Modern Agriculture
Period 1 Warming-Up & Listening
Look at the graph and discuss the following questions:
How are people’s eating habits changing over the years? Why do you think this happens? What caused these changes? What effects do you think the changes in eating habits will have on agriculture or nature?
Homework
1. Preview the reading part and finish the exercises in Post-reading part. 2. Read and recite the new words and prepare for the new words diቤተ መጻሕፍቲ ባይዱtation of Unit 19.