内容正文:
Book 4 Unit 5 Reading for Writing
导学案
I. Read the passage quickly and then answer the questions.
1. What is the type of this text?
A. A biography B. An exposition
C. An argumentation D. A application
2. Why did many farmers welcome the introduction of chemical farming?
A. They can fight crop disease and increase production.
B. They harm both the land and people's health.
C. They can help produce rich soil.
D. They are not expensive.
3. What concerns many people about the use of pesticides?
A. Pesticides can damage the land.
B. Chemicals can stay in the soil for a long time.
C. Pesticides can kill harmful bacteria and insects.
D. Chemicals may make people ill and even cause cancer.
4. Why do organic farmers change the kind of crop grown in each field every few years?
A. It helps put important minerals back into the ground.
B. It can avoid damage to the environment.
C. It can help increase output.
D. The writer didn't tell us.
II. Read the text and match the main idea with each paragraph. Para 1-2
A. What organic farming is.Para 3
B. Why man-made chemicals are still used in farming. Para 4
C. Organic methods for producing rich soil. Para 5
D. The problems with chemical farming
III. Read the text and fill in the blanks.
Para.
Detail
1-2
· Pesticides can kill helpful __________________.
· Some pesticides have been __________ because of the __________________.
· Crops grown with chemical fertilizers usually _____________ to be full of ______________.
3
· Many organic farmers use _________________________ as fertilizer.
4
· They often _____________________ grown in each field __________.
· They also plant crops that use _______________ of the soil to help keep it rich.
5
· Organic farming is nowhere near able to meet the high ________________________________.
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