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高三教案 第735期 (1)
发布时间:2020-12-25

本期配套教案共2页:  1  2

2020-2021学年度第17期总第735期
Protect precious ‘living fossil’ (P2)
山东省烟台第二中学 赵娜娜

Lead-in
Do you know what the species is in the picture?
 
the Chinese sturgeon
What do you know about the Chinese sturgeon?
 
Called a “living fossil”, the Chinese sturgeon is a very precious species. It is believed to have lived alongside the dinosaurs more than 140 million years ago.

Although it still exists to this day, the Chinese sturgeon needs urgent rescue, as an article published in the journal Science on Dec 4 noted.
 
Protect precious ‘living fossil’
Read for details 
Read the passage and answer the following questions.
1. Why should we protect the Chinese sturgeon?
2. What measures has China taken to preserve the species?

1. Why should we protect the Chinese sturgeon?
The sturgeon is on the brink of extinction.
The article pointed out that illegal catching, overfishing and habitat degradation are the key factors that have almost driven the sturgeon to the brink of extinction.
Time            Conditions
In the 1970s there were more than 10,000 Chinese sturgeons in the Yangtze River
In the 1980s the number dropped to 2,176 when the Yangtze’s first dam and hydropower station (水力发电站) opened
In 2000 the number dropped to 363
In 2010 the number dropped to 57
Since 2010 The species has been listed as critically endangered by the International Union for Conservation of Nature
The sturgeon serves as an ecological indicator.
According to Zhuang Ping, director of the East China Sea Fisheries Research Institute, protecting the Chinese sturgeon is about protecting not only the fish species but also the overall environment that sustains their survival. The Chinese sturgeon is serving as an ecological indicator, which helps measure the health of the ecosystem along the Yangtze River.
2. What measures has China taken to preserve the species? 
As early as 1982, China set up the Chinese Sturgeon Research Center in Yichang, Hubei province, the first of its kind, to protect the species and to research its reproduction. 
Since Jan 1, 2020, a 10-year fishing ban on key areas of the Yangtze River basin has been in place, covering 332 nature reserves. 
China also began the artificial propagation and release of the fish in 1984. 
This year, more than 10,000 farmed fish have been released into the Yangtze River to help restore the wild population.

Discussion
What can we do to protect the Chinese sturgeon?
 
In September, a group of students from Shanghai New Epoch Bilingual School visited a local research center to learn about the Chinese sturgeon.
 
Awareness of protecting the Chinese sturgeon should be raised.
In May, Shanghai legislators passed a law protecting the Chinese sturgeon. It is the first local legislation in the country to protect one endangered fish. It urges cooperation in law enforcement, scientific research and rescue of the species between Shanghai and other places in the Yangtze River basin, according to People’s Daily.
Laws should be in place.
 Language Study
1.活化石
2.存在到今天
3.需要紧急救援
4.栖息地恶化
5.灭绝边缘
6.极度濒危
7.总体环境
8.维持它们的生存
9.生态指标
10.建立
11.帮助恢复野生种群
12.处于灭绝的危险
 
 
Exercise
1. The article       that illegal catching, overfishing and habitat degradation (恶化) are the  that have almost       the sturgeon       (灭绝的边缘).
2. In the 1970s, there were more than 10,000 Chinese sturgeons in the Yangtze River, but the number       2,176 in the 1980s      the Yangtze’s first dam and hydropower station (水力发电站) opened, then     363 in 2000, and 57 in 2010, according to the article.
3. The Chinese sturgeon is        an         ,       helps measure the health of the ecosystem along the Yangtze River.
4. As early as 1982, China      the Chinese Sturgeon Research Center in Yichang, Hubei province, the first of its kind,         the species and       its reproduction.
5. But,       this species can be preserved still depends on the natural population, according ... “If the natural population is not well protected, the Chinese sturgeon is          .”

key:
1. The article pointed out that illegal catching, overfishing and habitat degradation (恶化) are the key factors that have almost driven the sturgeon to the brink of extinction (灭绝的边缘).
2. In the 1970s, there were more than 10,000 Chinese sturgeons in the Yangtze River, but the number dropped to 2,176 in the 1980s when the Yangtze’s first dam and hydropower station (水力发电站) opened, then to 363 in 2000, and 57 in 2010, according to the article.
3. The Chinese sturgeon is serving as an ecological indicator, which helps measure the health of the ecosystem along the Yangtze River.
4. As early as 1982, China set up the Chinese Sturgeon Research Center in Yichang, Hubei province, the first of its kind, to protect the species and to research its reproduction.
5. But, whether this species can be preserved still depends on the natural population, according ... “If the natural population is not well protected, the Chinese sturgeon is in danger of extinction.”
Homework 
Write an article introducing the conditions of the Chinese sturgeon and calling on students to protect the endangered species.
 
 

本期配套教案共2页:  1  2

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