Module 3 Unit 2 We have not found life on any other planets yet课件(30张PPT）

(共30张PPT)
Module
3　Journey
to
space
Unit
2
学习目标
words
and
expressions:
none,
environment,
that,
solar,
system,
solar
system,
group,
galaxy,
universe,
light,
impossible,
take-took-taken,
out,
communicate
Structures:
①Scientists
think
that
there
has
been
life
on
the
earth
for
hundreds
of
millions
of
years.
②However,
we
have
not
found
life
on
any
other
planets
yet.
③Scientists
have
also
discovered
many
other
galaxies
in
the
universe.
④It
is
impossible
to
imagine.
Discuss
something
about
the
universe.
The
Earth,
the
Sun,
Mars,
the
moon
No,
maybe
there
will
be
in
the
future.
1.
How
many
planets
are
there
in
the
universe?
2.
Is
there
any
life
on
other
planets?
新课导入
Yuri
Gagarin,
Soviet
Union
12,
April,1961
新课导入
1968
年12月27日,阿波罗8号——第一次载人的月球行动，在完成了历时六天的历史性航行之后，安全返回地球。
新课导入
1986年1月28日,“挑战者”号航天飞机在肯尼迪航天中心发射升空不久后爆炸。
新课导入
埃德温·艾尔德林
环绕地球飞行
的宇航员每“天”
可以看见16次日
出和16次日落。
新课导入
Who
is
he?
He
is
China’s
first
astronaut.
新课导入
The
Shenzhou-V
spacecraft
orbited
the
Earth
14
times
at
an
altitude
of
343
kilometres.
The
space
flight
lasted
21
hours
by
Yang
Liwei
in
October,
2003.
Yang
Liwei
was
called
“China’s
first
astronaut”.
新课导入
Words
and
expressions
pron.
没有一个
n.
环境
adj.
太阳的，与太阳有关的
n.系统，体系
星系，(尤指)太阳系
n.
群，组
n.
星系
n.
宇宙
adj.
(事情)办不到的，不可能的
v.
联系，交流
none
environment
solar
system
solar
system
group
galaxy
universe
impossible
communicate
新课讲解
A.
galaxy
B.
planet
C.
solar
system
D.
star
E.
universe
A
B
C
D
E
B
1
Match
the
words
with
the
pictures.
新课讲解
1.
Anyone
out
there?
2.
Life
on
earth
3.
The
sun
and
the
stars
4.
The
stars
at
night
2
Read
the
passage
and
choose
the
best
title
for
it.
新课讲解
(×)
(√)
(√)
(√)
(×)
(×)
3
1.
The
earth
is
a
star.
2.
The
sun
is
a
star.
3.
There
is
more
than
one
galaxy
in
the
universe.
4.
The
light
from
the
stars
in
other
galaxies
has
travelled
for
a
long
time
to
reach
us.
5.
Scientists
have
received
many
messages
from
space.
6.
Spaceships
have
visited
most
of
the
universe.
Check
(√)
the
true
sentences.
新课讲解
Is
there
life
on
other
planets?
There
are
eight
planets
in
our
____________,but
_____
of
them
has
a(n)
_____________like
that
of
the
earth.Spaceships
from
the
earth
have
done
surveys
of
other
planets,
but
they
have
not
found
any
life
there.
Why
has
no
one
from
other
planets
tried
to
___________
with
us?
It
is
true
that
scientists
have
not
discovered
life
on
other
planets
in
the
________yet,
but
some
scientists
do
not
______
that
they
can
find
it
some
day.
solar
system
environment
none
communicate
universe
doubt
4
communicate
doubt
environment
none
solar
system
universe
Complete
the
passage
with
the
words
and
expression
in
the
box.
新课讲解
Language
Points
1.However,
we
have
not
found
life
on
any
other
planets
yet.但是，我们在其他星球上还没有发现生命。
the
other
(s)与other
(s)的区别：
(1)
the
other与other后可加名词;
the
others与others后不加名词；
(2)
the
other
(s)表示一定范围内除去一部分以外后其余
的全体；other
(s)表示除去一部分以后的（一些），
但不是剩下
的全体。
新课讲解
One
flower
is
red,
the
other
(one)
is
white.
一朵花是红的，另一朵
(花)
是白的。
Give
me
some
other
apples/others,
please!
请另给我一些（苹果）吧！
新课讲解
2.
None
of
them
has
an
environment
like
that
of
the
earth.
它们中没有一个有像地球这样的环境。
no
one与none的区别：
(1)
no
one同义词为
nobody,
只用于指人，其后不跟of短语，作主语时谓语用单数，no
one
只能回答以who开头的问句；
新课讲解
(2)
none用于表示对三者或三者以上全部否定，既可指人，也可指物。
作主语时，谓语可以是单数，也可以是复数;
none的反义词是all,
none可与of连用;
可以用来回答How
many
或
How
much开头的问句。
新课讲解
None
of
us
are/is
interested
in
the
story.
我们没有人对那个故事感兴趣。
—Who
are
you
speaking
to?
——你在跟谁讲话？
—No
one.
——没人。
—How
many
students
are
there
in
the
room?
——房间里有多少个学生?
—None.——一个也没有。
新课讲解
3.
With
so
many
stars
in
the
universe,
are
we
alone？
宇宙中有这么多的恒星，我们是唯一的吗？
alone与lonely的区别：
(1)
alone既可作形容词，又可作副词,意为“单独的/地，独自的/地”，没有感彩。
(2)
lonely只作为形容词，意为“孤独的，寂寞的”，具有感彩。
He
lived
alone
after
his
wife
left，so
he
was
very
lonely
.
他妻子离开后，他一个人生活，所以他很孤独。
新课讲解
—
They’ve
just
heard
a
message
from
a
spaceship.
5
Look
at
the
cartoon
picture
and
answer
the
questions.
—
What
have
the
scientists
just
heard?
(a
message
from
a
spaceship)
新课讲解
1.
Where
has
the
spaceship
landed?
(Mars)
2.
What
has
the
spaceship
discovered?
(people)
3.Why
have
the
people
on
Mars
not
sent
us
a
message?
(don’t
know
how
to)
4.
Why
have
the
people
on
Mars
not
visited
us
on
earth?
(don’t
know
how
to)
新课讲解
6
Write
the
story
in
the
picture.
Use
the
answers
to
the
questions
in
Activity
5
to
help
you.
We’ve
just
heard
that
our
spacecraft
has
landed
on
Mars,
and
we’ve
discovered…
新课讲解
Possible
version:
We’ve
just
had
some
news
about
the
mission
to
explore
Mars.
Scientists
have
just
heard
that
the
spaceship
has
landed
on
Mars
and
has
discovered
people.
These
people
haven’t
sent
us
a
message
because
they
can’t
hear
us.
They
haven’t
visited
the
earth
because
they
prefer
life
on
Mars.
They
have
used
parts
from
the
other
spacecraft
from
earth
to
make
TVs,
radios
and
cars.
新课讲解
一、根据中文意思或首字母提示，用单词的适当形式填空。
1.Scientists
have
discovered
many
other
p______in
the
universe.
2.Taiwan
is
a
p____of
China
for
ever.
3.L____travels
much
faster
than
sound.
4.We
can’t
live
without
a___.
5.We
need
a
quiet
_____________
(环境)
to
study
for
a
coming
exam.
6.I
think
every
child
should
__________________
(交流)
with
his
parents.
lanets
art
ight
ir
environment
communicate
当堂小练
当堂小练
二、单项填空。
(
)1.The
earth__________
a
planet
and
it__________
around
the
sun.
A.are；go
B.was；went
C.is；go
D.is；goes
(
)2.There
has
been
life__________
the
earth
for
hundreds
of
millions
of
years.
A.in
B.on
C.of
D.at
(
)3.He
promised
to
pick
me
up
at
the
school
gate.However,
he__________
yet.
A.didn’t
arrive
B.doesn’t
arrive
C.isn’t
arriving
D.hasn’t
arrived
D
B
D
当堂小练
(
)4.Why
has
no
one
communicated__________
us?
A.with
B.to
C.for
D.at
(
)5.It
is
said
that
the
disease
has
killed
more
than__________
people
worldwide.
A.two
hundreds
B.two
hundreds’
C.two
hundred’s
D.two
hundred
A
D
当堂小练
三、根据句意和汉语提示完成句子。
1.地球是一颗行星，它围绕着太阳转动。
The
earth
is
a
_________and
it
_______________
the
sun.
2.其他七大行星也围绕太阳转动。
______________________
also
go
around
the
sun.
3.科学家们已经在宇宙中发现了许多其他的星系。
Scientists
have
________________________
galaxies
in
the
____________.
planet
goes
around
Seven
other
planets
discovered
many
other
universe
当堂小练
4.太阳系是我们整个星系的一小部分。
The
solar
system
is
______________________
our
galaxy.
5.他到上学的年龄了。
He
is
______________________
to
school.
a
small
part
of
old
enough
to
go
当堂小练
归
纳
课堂小结
Unit
2
We
have
not
found
life
on
any
other
planets
yet.
1.
New
words
and
phrases:
none,
environment,
that,
solar,
system,
solar
system,
group,
galaxy,
universe,
light,
thousands
/millions/
billions
of,
communicate
with
sb.
2.
Sentences:
①Scientists
think
that
there
has
been
life
on
the
earth
for
hundreds
of
millions
of
years.
②However,
we
have
not
found
life
on
any
other
planets
yet.
③Scientists
have
also
discovered
many
other
galaxies
in
the
universe.
④It
is
impossible
to
imagine.