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选修8《Warming up、Pre-reading、Reading、Comprehending》精品PPT课件优质课下载
Copycat)
After they had tried 188 times, researchers in Texas, the USA produced CC with a cell taken from her mother Rainbow in 2002.
The mule in the picture is the world’s first cloned mule. It was born on 4 May 2003.
Name: Idaho Gem
It was the first extinct animal to be cloned back to life and the clone lived for seven minutes before dying of lung defects.
Pyrenean ibex
In January 2000, the Pyrenean ibex became extinct.
In 2009 an ibex was cloned.
The gastric brooding frog(胃育蛙), thought to have been extinct since 1983 was cloned in 2013 in Australia.
1. structure (skimming and scanning)
(analyze students’ mind map)
2. Coherence and logic(连贯与逻辑）
Identify the transitional sentences(过渡句）
3. Critical thinking(思辨）
Targets
It is a way….
Definition
It happens…
It also happens…
→
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Two examples of natural clone
Cactus (仙人掌)
Pendulum orchid
(吊兰)