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高二教案 第835期(2)
发布时间:2021-06-07

本期配套教案共2页:  1  2

2020-2021学年度第43期总第835期
Making a comeback (P4)
河北献县第一中学   李敏

Lead-in
What do you know about this beautiful bird?

Lead-in


Title prediction

Read for main idea
One of the oldest species of bird on Earth, crested ibises, have come back from the brink of extinction
because of different protective approaches adopted by government.


While-reading:Read the text and answer the questions
1. Why did crested ibises begin to disappear in the 1960s?
Due to pollution and other human activities, the birds began to disappear in the 1960s.
2. What measures were taken to protect crested ibises right after their discovery?
The local government prohibited hunting, cutting down trees, setting off explosives in the mountains, or using fertilizers (肥料) in the birds’foraging (觅食) areas.
3. What did guardians at the Qingling No 1 protection station do to guard the birds?
The guardians worked day and night. In the daytime, they observed and recorded the birds’ habits and characteristics; at night, the main job was to keep them safe.
4. What achievements have been made due to these measures?
The crested ibises have come back from the brink of extinction.
The number has risen to more than 7,000 worldwide.
There are 5,000 crested ibises in Shannxi alone.

Read for thinking  
After reading the text, what should we do to protect these endangered birds?
Tips :
•forbid cutting down trees
•forbid hunting
•expand their habitats
•set up protection stations and nature reserves
•provide timely treatment for the sick
•artificial breeding
•...

Language study
1. be believed to be                  被认为是....
2. the brink of extinction              灭绝的边缘
3. issue a series of emergency notices   发布一系列紧急通知
4. cut down trees                    砍树
5. set off explosives                  燃放爆炸物
6. in the daytime                    在白天
7. artificial breeding                 人工繁殖
8. receive timely treatment           得到及时的治疗
9. lay a foundation for                为...奠定基础
10. preserve endangered wildlife       保护濒危野生动物

Sentence structure
1. The secret for the rare and inspirational case of successfully saving crested ibises from a small population is the country’s onsite protection approach adopted at the very beginning.

句子主干:The secret is the country’s onsite protection approach.
for the rare and inspirational case of successfully saving crested ibises from a small population介词短语修饰名词secret
adopted at the very beginning 过去分词修饰名词approach
句意:成功地把朱鹮从小数量中拯救出来这一罕见而鼓舞人心的案例的秘密是国家一开始就采用的现场保护方法。

2. Believed to have existed for more than 60 million years, crested ibises (朱鹮) are one of the oldest species of bird on Earth.
句中believed是过去分词做状语,与句子主语crested ibises是逻辑上的被动关系。
句意:朱鹮被认为已经存在了6,000,000多万年,(朱鹮) 是地球上最古老的鸟类之一。

3. Over the next 30 years, they also explored and created a complete system of artificial breeding techniques, laying a foundation for the birds’ later reintroduction into the wild.
第三个句中laying 是现在分词做结果状语,与句子主语是逻辑上的主动关系。
句意:在接下来的30年中,他们还探索并建立了一套完整的人工繁殖技术体系,为鸟类重新回归自然奠定了基础。

Homework
Design a poster in English that calls on people to protect one of the endangered animals.

 

本期配套教案共2页:  1  2

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