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视觉英语--展望未来 chapter 5 基因解密 教师参考
Chapter 5
Chapter 5
The gene is out of the bottle
1 Bingo
Glossary:
family tree
gene n.
geneticist n.
immunity gene
cure v.
hormone n.
catalyst n.
DNA
clone v./n.
life span
genetics n.
birthmark n.
tattoo n.
mutation n.
vaccine n.
birth rate
biological a.
biography n.
synthetic life
fossil record
gene expression
gene bank
2 Big echo: The genetic invasion
Answers:
1e 2 a 3 c 4 b 5 d
79
Chapter 5
3 Flash back
Answers:
51234
Script:
(Scene 1) - 5
(Scene 2) - 1
80
Chapter 5
(Scene 3) - 2
(Scene 4) - 3
(Scene 5) - 4
81
Chapter 5
4 Close-on: The human family tree
A.
Answers:
1 down (dawn)
2 bald (bold)
3 send (set)
4 review (reveal)
5 messes (masses)
6 booth (roots)
7 geese (genes)
8 invasion (evolution)
Script:
B.
Answers:
1 c (a. Asia b. Europe c. Africa )
82
Chapter 5
2 c (a. dog b. bird c. DNA)
3 c (a. Japan b. France c. the United States)
C.
Answers:
1 adventure a handful of tracing
2 diverse flocking to scraped
3 350,000 people founding population branch unknown
Script:
Deep inside each one of us, a story is waiting to be told. A story of sex,
adventure and survival. It begins in Africa with the dawn of humanity
, careens through epic droughts and Ice Ages, and climaxes only when
we’ve reached the ends of Earth. Now w
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