人教课标版高中英语选修8Unit2 Cloning Reading课件 （共37张PPT）

(共37张PPT)
What’s the main idea of the text?
A. Animal cloning is very valuable and can
benefit the world.
B. It explains how cloning works in
the first successful clone Dolly the sheep.
C. It illustrates people’s views about Dolly’s
appearance and cloning people.
D. Both B&C

.
Cloning
has
two
major
uses.
The
problems
of
Dolly.
The
effect
of
Dolly
Cloning
human
being
is
a
serious
issue
for
all.
Scanning
to
get
detail
information
1.
Dolly
the
sheep_____.
looked
exactly
like
the
sheep
that
provides
the
egg
cell
was
the
exact
copy
of
the
sheep
that
provides
the
nucleus
C.
looked
like
the
sheep
that
gave
birth
to
it
D.
had
the
characteristics
of
all
three
sheep
scanning
Reading
Comprehension
II
2.
The
cloning
of
Dolly
the
sheep
succeeded
because____.
A.
it’s
easier
to
clone
a
sheep
than
other
animals
B.
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
3.
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
C.
usually
dies
earlier
than
the
original
one
D.
is
usually
as
healthy
as
the
original
one
4.
Which
of
the
following
is
not
an
advantage
of
cloning?
Cloning
can
be
used
for
medical
purposes.
Large
quantities
of
food
can
be
produced
by
cloning.
Cloning
can
help
keep
animals
from
becoming
extinct.
Famous
persons
who
have
passed
away
can
be
cloned.
Procedure
of
Cloning
a
Sheep
克隆羊诞生图示
“多利”的诞生标志着克隆研究取得新的进展和重大突破,
而且这个结果证明:
动物体中执行特殊功能,
具有特定形态的所谓高度分化的细胞与受精卵一样具有发育成完整个体的潜在能力。也就是说,
动物细胞与植物细胞一样,
也具有全能性。
“多利”的诞生有什么重大的意义和影响？
scanning
Reading
Comprehension
III
Read
the
passage
again
and
answer
these
questions.
1
What
are
the
two
major
uses
of
cloning?
2
Why
is
it
easier
to
make
commercial
plant
clones
than
animal
clones?
3
What
was
the
first
clone
from
an
adult
animal?
At
what
age
did
this
clone
die?
4
Why
is
cloning
controversial
in
some
countries?
1
What
are
the
two
major
uses
of
cloning?
2
Why
is
it
easier
to
make
commercial
plant
clones
than
animal
clones?
The
first
use
is
to
produce
commercial
quantities
of
plants.
The
second
is
to
research
on
new
plant
species
and
do
medical
research
on
animals.
Cloning
plants
is
straightforward,
but
the
cloning
of
animals
is
very
complicated.
3
What
was
the
first
clone
from
an
adult
animal?
At
what
age
did
this
clone
die?
4
Why
is
cloning
controversial
in
some
countries?
The
first
clone
from
an
adult
animal
was
Dolly
the
sheep.
She
died
in
2003.
Cloning
is
controversial
in
some
countries
for
moral
and
religious
reasons.
Fill
in
the
chart
using
the
information
from
the
text.
Add
one
reason
of
your
own
in
each
column.
scanning
Reading
Comprehension
IV
Problems
or
dangers
of
cloning
Advantages
of
cloning
Problems
or
dangers
of
cloning
Advantages
of
cloning
Animal
clones
may
develop
the
illnesses
of
older
animals.
Medical
cloning
could
produce
cures
for
serious
illnesses
in
humans.
Animal
clones
may
die
younger
than
the
donor
animals.
Cloning
plants
can
produce
plants
of
similar
quality
for
sale.
Problems
or
dangers
of
cloning
Advantages
of
cloning
Evil
leaders
may
want
to
clone
themselves.
Cloning
plants
can
be
useful
for
research
on
new
plant
species.
There
are
moral
objections
to
cloning
human
beings.
Cloning
can
help
save
endangered
animals.
What
do
you
think
is
the
writer’s
point
of
view
in
this
reading
passage?
Is
it
in
favour
of
cloning
or
against
it?
I
think
the
writer
is
_________
because_____________________________
____________________
impartial
he/she
does
not
state
any
personal
opinion
about
cloning.
scanning
Reading
Comprehension
V
Look
at
these
pictures
below
first.
Is
cloning
people
a
good
thing
or
a
bad
thing?
What
is
your
opinion
of
cloning?
Give
your
reasons.
Discussions
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
1.克隆技术现在还不成熟,
克隆人可能有很多先天性生理缺陷。
2.克隆人的身份难以认定,
他们与被克隆者之间的关系无法纳入现有的伦理体系。
反对克隆人
3.
克隆技术有可能被滥用,
成为恐怖分子的工具。
4.
从生物多样性上来说,
大量基因结构完全相同的克隆人,
可能诱发新型疾病的广泛传播,
对人类的生存不利。
1.
“不让我们克隆人,就是不让我们修正我们的错误,
人类
历史难道能够这样构造吗？”—《纽约时报书评》
2.
“当然应该‘克隆’人,如果谁第一个掌握了这个技术,他就是我真正的、也是唯一的竞争对手。”—比尔·盖茨
支持克隆人
3.
“克隆人绝对是科学上了不起的进步,克隆技术必将创造21世纪的辉煌。”
—麻省理工学院生命工程教授约翰·布洛克
4.
“人体商业化是人类经济活动中无与伦比的成就,
毫无疑问,
克隆技术的出现将为世人创造一个最为广泛和深远的市场。”
—英国《经济学家》杂志。
Translation
The
fact
that
_____________________
________
(多莉看来是在正常生长着)
was
very
encouraging.
Then
came
the
disturbing
news
that
________________
__________
(多莉病重).
2.
____________________________________
(科学家们脑海里产生的问题)
were:
“Would
this
be
a
major
difficulty
for
all
cloned
animals?”
Quiz
I
Dolly
seemed
to
develop
normally
Dolly
had
become
seriously
ill
The
questions
that
concerned
all
scientists
Write
a
passage
titled
Is
cloning
good
or
bad?
Your
passage
should
include
the
following：
Advantages
of
cloning
2)
Disadvantages
of
cloning
3)
Your
opinion
of
it
Homework