2020-2021学年度第36期总第742期
Two types of pandas
河北师大附中  赵乃平
I. Lead-in
What do you know about pandas?
 
Looks: Black & white, big head, bear-like...
Food: Bamboo
Habitat: Sichuan province

Why is the number of pandas small?
Their habitats are damaged.
There is a lack of food.
...
   
Did you know there is more than one type of panda?
  
Sichuan subspecies：
pandas living in Sichuan province 
  
Qinling subspecies：
pandas living in Shaanxi and Gansu provinces 
II. Skimming  
Two types of pandas
How many parts does the passage consist of? What are they？
 
Key:
 
III. Scanning  
Differences between two types of pandas
 
Key:
 
What can be shown from their different appearances?
They belong to two different subspecies.
They have evolved in different ways.
What affects the adaptability of a species?
Genetic variation.
The greater the genetic variation is, the better the species lasts in the wild.
What enables a species to survive longer?
Better ability to reproduce. 
Better immunity to fight disease.
The change of pandas' fertility
 
Measures to deal with low fertility
Providing accurate genetic management in artificial breeding and conservation.
Promoting gene exchanges between small populations of pandas within the same subspecies.
Restoring pandas' habitats.
IV. Further study 
What is the purpose of this passage?
To inform readers of two different types of pandas and approaches to increasing their populations.
How is the passage developed?
First, present a phenomenon.
Then, analyze the reasons.
Finally, offer solutions.
V. Deep thinking 
Do you think it is necessary to perform artificial breeding for pandas? Why?
To make up for pandas' low fertility.
To have better offspring.
To develop better genes.
To conduct scientific research.
...  
VI. Language focus 
 The Qinling giant panda, which lives in Shaanxi and Gansu provinces, has a round head and short mouth, which makes it look like a cat.

释义：秦岭大熊猫生活在陕西省和甘肃省，长着圆头和短嘴，这使它看起来像一只猫。

本句为主从复合句。
主句为The Qinling giant panda has a round head and short mouth
第一个which引导非限制性定语从句，先行词为The Qinling giant panda，which指代The Qinling giant panda；
第二个which引导非限制性定语从句，which指代整个主句。

When it comes to making babies, the Sichuan subspecies is more fertile than the Qinling subspecies

释义：在生育方面，四川亚种比秦岭亚种生育能力更强。

When it comes to ... 当谈及 ......
注意：to为介词，后边接名词、代词或动名词
When it comes to basketball, he is a beginner. 
Carol is no match for her mother when it comes to ________ (cook).
Key:
cooking