内容正文:
To clone or not to clone
Unit 9
Lesson 1
What do you know about cloning?
01
Cloned sheep
——Dolly
02
Advanced technology
03
Magical
04
Useful & Useless
Find the main idea of each paragraph.
Cloning
01
Definition
03
First-cloned primates
04
The potential benefits
05
The moral concerns about cloning
06
Writer’s attitude
02
First cloning
Read the para. 1-3 and answer questions.
What is cloning?
What examples of naturing cloning are given?
What was the first cloned mammal? What happened to her?
What development in cloning was announced in 2018? What was special about it?
For how long did Dr. Sun Qiang’s team work? Why did they work so hard?
Questions
2. What examples of naturing cloning are given?
Cloning is the process of making an exact copy of a plant or animal and developing it naturally or artificially.
What is cloning?
An example of natural cloning is taking a cutting from a plant and putting it in soil, and another is identical twins.
Para. 1 line 1-2
Para. 1 line 3-6
Naturing cloning
take a cutting from a plant
place it into the soil
identical twins
Questions
The first cloned animal was Dolly the sheep. She developed an illness and died when she was six and a half years old.
3. What was the first cloned mammal? What happened to her?
Para. 2 line 7-11
In 2018, the first two long-tailed monkeys were cloned. Cloning a primate is more difficult than cloning other animals.
4. What development in cloning was announced in 2018?
What was special about it?
Para. 3 line 17-18
Questions
6. For how long did Dr. Sun Qiang’s team work?
Why did they work so hard?
Dr. Sun Qiang’s team worked for more than five years in order to get animals with edited genes and produce animal models.
Para. 3 line 25, 29
Read the para.4-6 and li