Module3 Unit2 We have not found life on any other planets yet.课件(共25张PPT)

(共25张PPT)
Module3
Journey
to
space
Unit2
We
have
not
found
life
on
any
other
planets
yet.
What
is
the
solar
system?
the
solar
system
the
sun
its
planets
The
solar
system(太阳系）
天王星
海王星
金星
木星
木星
火星
土星
月亮
地球
太阳
A
galaxy
is
a
huge
collection
of
gas,
dust,
and
billions
of
stars
and
their
solar
system.
Galaxy
=
the
Milky
way
galaxy
the
solar
system
stars
gas
dust
…
How
can
you
travel
to
space?
Match
the
main
idea
with
each
paragraph.
Paragraph
1
Paragraph
2
Paragraph
3
Paragraph
4
Paragraph
5
We
haven’t
found
life
on
any
other
planet.
What’s
in
space?
How
large
is
the
universe?
What
are
scientists’
questions?
What
have
scientists
done?
What’s
the
best
title
of
this
passage?
Anyone
out
there?
Life
on
the
earth
The
sun
and
other
stars
The
stars
at
night
Read
and
answer
the
questions.
1.
What
does
the
earth
go
around?
The
earth
goes
around
the
sun.
2.
Why
don’t
scientists
think
they
will
find
life
on
other
planets?
Because
none
of
them
has
an
environment
like
that
of
the
earth.
What
have
scientists
sent
to
Mars?
Scientists
have
sent
spaceship
to
Mars.
Check(√)
the
true
sentences.
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.
×
√
√
√
×
×
Summary
Scientists
haven’t
discovered
life
on
seven
other
_________.
Scientists
don’t
think
they
will
find
life
in
the
__________.
Scientists
have
discovered
many
_______________.
However,
they
are
too
___________to
reach.
Is
there
_______out
there
in
space?
planets
Galaxy
other
galaxies
life
far
away
Thinking
Is
there
life
out
there
in
space?
Why?
If
there
is
life
in
space,
what
will
happen?
universe
solar
system
the
sun
the
earth
1.在地球上
2.
数亿年
3.
在其它星球上
4.
围绕太阳转
5.
太阳系
6.
…一部分
7.
在宇宙中
8.
难以想象
9.
在太阳系外旅行
10.到达其它恒星
11.
与…交流
1.
on
the
earth
2.
hundreds
of
millions
of
years
3.
on
any
other
planets
4.
go
around
the
sun
5.
the
solar
system
6.
a
part
of
7.
in
the
universe
8.
be
impossible
to
imagine
9.
travel
outside
the
solar
system
10.
reach
other
stars
11.
communicate
with
Scientists
think
that
there
has
been
life
on
the
earth
for
hundreds
of
millions
of
years.
here
has
been（there
be
的现在完成时结构）
been
be
的过去分词
there
has/have
been
+
名词
a.
There
__________
milk
in
the
fridge.
b.
There
__________
a
lot
of
people
in
the
park.
has
been
have
been
none
of
+
复数可数
名词/
代词，作主语时，谓语动词既可以是单数也可以是复数。None
of
表示都不（3者或3者以上）
none
of
+
不可数名词，做主语时，谓语动词用单数
2.
None
of
them
has
an
environment
like
that
of
the
earth.
None
of
the
children
______________
(speak)
English.
2.
None
of
cheese
_______
(be)
on
the
top
of
the
pizza.
speaks/speak
is
3.
Our
solar
system
is
a
small
part
of
a
much
larger
group
of
stars
and
planets,
called
the
Galaxy
or
the
Milk
Way.
be
called
表示被动,
be
+过去分词
第二个只用called,
因为已有谓语动词is
This
boy
__________
Tom.(call)
I
know
a
boy
_______Tom.(call)
is
called
called
4.
They
have
sent
spaceships
to
the
planet
Mars
to
take
photos.
send
sth/sb
to
do
sth
派遣某人做某事
send
sb
on
a
run
让某人去跑腿
I___________________.
我让他去买啤酒。
adj/adv
+enough
足够……
He
is
________to
solve
this
problem.
A.
enough
clever
B.
clever
enough
B
sent
him
to
buy
beer.
5.
However,
no
spaceship
has
travelled
far
enough
to
reach
other
stars
in
our
Galaxy.
reach
v.
到达
reach
sp=
arrive
at/in
sp
=
get
to
sp
reach
表示到达某个地方需要费力气
It
takes
a
lot
of
time
to
________
this
place.
reach
B.
get
C.
arrive
A
6.
Scientists
have
also
discovered
many
other
galaxies
in
the
universe.
discover
v.
发现
discovery
n.
发现
invent
v.
发明，指发明、创造出新的东西
1.
Bell
__________
the
telephone.
2.
Newton
____________
the
law
of
gravity.(万有引力定律)
invented
discovered
There
________
life
on
the
earth
for
hundreds
of
millions
of
years.
have
been
B.
has
been
C.
have
D.
has
2.He
promised
to
pick
me
up
at
the
school
gate.
2.
2.
However,
he
________yet.
A.
didn’t
arrive
B.
doesn’t
arrive
C.
isn’t
arriving
D.
hasn’t
arrived
B
D
3.
—Why
has
no
one
communicated________
us?
—We
don’t
know
the
answers
yet.?
A.with　
B.to　
C.for　
D.at
4.
_________Chinese
are
looking
for
ways
to
learn
English
well.?
A.
Thousand　
B.
Thousands
C.
Thousand
of　
D.
Thousands
of
A
D
5.—How
heavily
it
rained
this
early
morning!
—Yes.But
_______of
the
students
in
our
class
was
late
for
school.?
A.some　
B.none　
C.all　
D.neither
6.
Have
you
finished
your
homework
______?
A.
already
B.
yet
C.
just
D.
still
B
B