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《Using LanguageⅡ》精品PPT课件优质课下载
Cloning :
a way of making an exact copy
of another animal and plant
Jurassic Park
Is it possible to clone the dinosaurs?
Is it a good idea?
Why?
主旨大意
The writer of the text_____
A. is excited by the possibility of cloning fierce and extinct animals
B. believes that extinct animals can be brought back to life by cloning
C. thinks it impossible or unsuitable to clone extinct animals like dinosaurs
D. dreams of dinosaurs returning to the earth
细节理解
2. The reasons why a group of cloned animals all die of the same illness do NOT include____. A. they have the same arrangement of genes B. there isn’t enough diversity in the group for it to
overcome illnesses
C. the illness is a new one
D. their arrangement of genes can not resist that
new disease
推理判断
3. We can infer from the text that____
A. scientists are experimenting to clone dinosaurs
B. dinosaurs will never return to the earth
C. cloned animals will only live in the zoo
D. the DNA of dinosaurs can only survive 10 000 year