英语：unit2cloning-reading课件(新人教选修8)

克隆的荧光小猪（左）和正常小猪（右）
4
Cloned rabbit
Reading - I Scanning
Write the letter “T”if the statement is true. Write “F”ifit is false.
F
T
Reading
1.It can be inferred from the passage that a cloned
animal _____ •
A. usually lives as long as the original one
B・ usually lives longer than the original
one ；八・usually lives shorter than the
original one
D< is usually as healthy as the original one
3.The cloning of Dolly the sheep
succeeded because ___ ・
A. its easier to clone a sheep than other animals
the scientists were determined and worked hard with patience
C・ the scientists were rewarded and got lots of money
D・ many other attempts to clone mammals
failed
4.The lamb is the clone of the cell from sheep
because ______________ .
A.it provides the egg cell
B.it gives birth to the lamb
(V it provides the nucleus
D. it is a female sheep
5.The sheep that donated the somatic cell
most probably lived ______ years.
A. 3
B.6
C.9 12
Careful reading
]Cloning is a wa Y of making an exact copy of 2：Cloning has another animal
3.The
4.The Problems o f Dolly.
5It is-effeet to clone human beings.
forbidden
Problems or dangers of cloning
■ 1 ・ Animal clones may develop the illnesses of older animals.
Animal clones may die younger than the donor animals.
3.
4.There are moral objections to cloning human
beings.
Advantages of cloning
1.M edical cloning could produce cures for
serious illnesses in humans.
2.Cloning plants can produce plants of similar quality for sale.
3.Cloning plants can be useful for research on new plant species.
4.Cloning can help save endangered animals.
意大利狂人医生:
安蒂诺里
冒死也要克隆人的科学家:布瓦瑟利耶
thinking |
・■■■■■■■■■■■■■■■■■■■■■■■■■■■■■
Cloning people is a good thing ,or a bad thing?
克隆人是福音，还是恶兆？
^^^Homework:
兰hV，What happens next?
e ' *A_—；；r-i ________
*<T4。