Unit4
Topic3
Section
A
友情提示:
学习目标:
1、学习含有情态动词的被动语态。2、谈论外星人以及外太空生活,学习表达可能和不可能的功能用语。
3、培养学习积极探索、热爱科学的态度。
一、词汇检查,按要求写出下列短语。
1.wonder(形容词)______
2.
excite(形容词)____和___
3.search(名词)_______
4.
science(名词,科学家):_______
5.science(形容词)________
6.这周六晚上_______________
7.关于太空生活_____________
8.
乘飞船旅行_______________
9.
生活在火星___________________
10.
生活在太空____________________
11.
将会有______________
12.
将能够(做)…_______________
13.
在地球____________
14.
我等不及了__________________
15.
为了_________________
16.
亲眼所见:__________________________
四、把下列句子改为被动语态
1、He
can
work
out
the
problem
easily
.
The
problem
_____
______
________
________
by
him
easily
.
2、
We
must
plant
more
trees
to
protect
the
environment
.
More
trees
_____
_______
______
_______
protect
the
environment
by
us
.
3、We
should
change
clothes
often
to
keep
healthy
.
Clothes
______
______
_______
often
to
keep
healthy
.
4、
Scientists
may
clone
humans
some
day
.
Humans
_______
_______
_________
by
scientists
some
day
.
5、
People
must
not
throw
rubbish
into
the
river
.
Rubbish
______
______
_______
_______
the
river
by
people
.
五、巩固练习题:
(
)
1.
More
man-made
satellites
____
into
space
.
A.
must
sent
up
B.
can
sent
up
C.
must
be
sent
up
(
)
2.
----
_____
an
elephant
show
in
the
zoo
this
Sunday
.
Would
you
like
to
go
with
me
?
-----
I’d
love
to
.
A.
There
is
going
to
have
B.
There
will
be
C.
There
is
going
to
hold
(
)
3.
_____
the
spaceship
,
people
___
fly
to
the
moon.
A.
No
;
couldn’t
B.
Haven’t
;
can’t
C.
Without
;
won’t
be
able
to
(
)
4.
----
How
hard
those
astronauts
work
!
----
Yes
.
____
finish
the
flight
task
,
they
must
keep
on
______every
day
.
A.
In
order
to
;
exercising
B.
So
that
;
exercising
C.
In
order
that
;
exercises
(
)5.
I
didn’t
have
a
clear
understanding
of
the
science
book
___
I
did
an
experiment
for
myself
.
A.
since
B.
until
C.
unless
(
)8.
On
Christmas
Day
,
the
children
wake
up
early
and
can’t
wait
_____
their
presents
in
the
boxes
.
A.
opening
B.
for
opening
C.
to
open
Unit4
Topic3
Section
B
友情提示:
本课知识点:1、学习有关火星和太空的知识;2、继续学习含有情态动词的被动语态结构。
一、词汇检查,按要求写出下列短语。
1.
参加太空飞行______________________________________________
2.
发现新的事情_______________________________________________
3.
掌握一些基本电脑技巧______________________________________
4.
在舞台上表演芭蕾_______________________________________
5.
与…相比,更喜欢…____________
6.
将被揭秘/发现________________________________
7.
使我们的梦想实现_____________________________
8.以……为基础,根据……改编,取材于
______________
三、主动语态与被动语态转换:
1.The
astronauts
can
discover
something
new
about
Mars.(改为被动语态)
___________________________________
2.You
should
master
some
basic
computer
skills.
(改为被动语态)
___________________________________
3.Maria
can
perform
ballet
on
the
stage
in
the
future.
(改为被动语态)
___________________________________
4.More
and
more
things
will
be
discovered
by
people
in
the
future.
(改为主动语态)
___________________________________
三、巩固练习题:
(
)1.To
make
our
city
more
beautiful,
rubbish
_____
into
the
river.
A.
needn’t
be
thrown
B.
mustn’t
be
thrown
C.
can’t
throw
(
)2.The
baby
should
_____
at
home.
A.
be
taken
care
B.
be
taken
care
of
C.
take
care
(
)3.Your
car
_____
be
put
here.
Please
put
it
over
there.
A.
can’t
B.
can
C.
may
(
)4.Scientists
are
doing
experiments
in
order
_____
the
Mars
soon.
A.
to
explore
B.
explore
C.
that
explore
(
)5.—Do
you
think
a
radio
is
useful
in
learning
English?
—Sure.
A
radio
can
_____
listening
English
songs
and
reports.
A.
be
used
by
B.
be
used
to
C.
be
used
for
(
)6.The
rubbish
_____
every
day
is
becoming
a
serious
problem
in
cities
around
the
world.
A.
produce
B.
produced
C.
producer
(
)7.---How
beautiful
our
hometown
is!
---Yes,
trees
and
flowers
________
everywhere.
A.
can
be
seen
B.
can
see
C.
be
seen
(
)8.The
river
smells
terrible.
People
must____
dirty
things
into
it.
A.
be
stopped
to
throw
B.
be
stopped
from
throwing
C.
stop
to
throw
(
)
9.
We
put
a
strong
stick
near
a
young
tree
_____
make
it
straight.
A.
so
that
B.
in
order
that
C.
in
order
to
(
)10.There
_____
a
man-made
planet
in
space.
A.will
be
B.is
going
to
have
C.
has
been
D.is
Unit4
Topic3
Section
C
友情提示:
本课知识点:1、了解更多关于火星的知识。
2、培养学生热爱科学、探索未知领域的积极态度。
一、词汇检查,按要求写出下列短语或句型。
1.
看起来像_______________________________
2.
以……的名字命名(被动语态形式):_____________________
3.它的直径相当于地球的53%。
________________________________________________
4.
相隔、相距(多远)
______________________
如:相隔大约50米远____________________________
5.覆盖火星的整个表面______________________________________
6.五分之二(两种表达方法):______________________和______________________
7.对比分析下列短语:
two–fifths
as
strong
as…
相当于(像、是)……的五分之二强度
53%
as
wide
as
…相当于(像、是)
……的53%宽
half
as
big
as…相当于(像、是)……一半那样大
twice
as
long
as…相当于(像、是)……两倍那样长
five
times
as
fast
as
…相当于(像、是)
……的五倍快
这是倍数的表达方法,它的结构是:________________________________________
8.做某事花费某人多长时间(句型)_______________________________________
9.It
takes
a
spaceship
about
eight
months
to
reach
Mars
from
the
earth.(对划线部分提问)
_________________________________________________________________________
10.彼此最接近:________________________________________
三、巩固练习题:
(
)
1.
My
best
friend
was
late
for
class
this
morning
.
___
,
she
left
her
bag
at
home
.
A
.What’s
more
B.
What’s
worse
C.
However
(
)
2.
Your
apple
is
about
______
mine
.
A.
second
threes
as
big
B.
two
threes
as
big
as
C.
two
thirds
as
big
as
(
)
3.
The
digital
camera
is
____
nine
hundred
yuan
.
A.
pay
B.
cost
C.
worth
(
)
4.
The
fiction
film
is
so
interesting
for
us
that
it’s
worth
_____
.
A.
see
B.
to
see
C.
seeing
(
)
5.
It
____
6
days
since
I
came
to
Beijing
.
I’m
leaving
tomorrow
.
A.
was
B.
is
C.
has
been
(
)
6.
She
really
likes
dancing
.
It
____
her
2
hours
to
practice
dancing
in
the
gym
every
day
.
A.
takes
B.
spends
C.
costs
(
)
7.
It’s
three
years
_____
we
got
here
.
A.
since
B.
before
C.
after
(
)8.
My
son
is
too
fat,
so
I
have
to
_____
his
food
and
drink.
A.
save
B.
limit
C.
encourage
(
)9.
Harry
Potter
and
Sorcerer’s
Stone
is
quite
a
good
book.
It’s
worth
_____.
A.
read
B.
reads
C.
reading
(
)10.
_____
the
help
of
the
Internet,
news
can
______
every
country
of
the
world.
A.
Under;
arrive
B.
With;
reach
C.
In;
go
能够控制自我的人,才有可能是世界上最有出息的人。
埋怨环境,天昏地暗;改变自我,天高地阔
Unit4
Topic3
Section
D
友情提示:
本课知识点:学习有关宇宙和太阳系的知识;复习含有情态动词的被动语态结构;总结本话题的有用表达。
一、词汇检查,按要求写出下列短语。
1.数百万年______________________________________
2.围绕太阳运行______________________________________
3.
其它七颗行星_____________________________
4.被称为太阳系______________________________________
5.超出太阳系之外___________________________________________
6.宇宙______________________,如:在宇宙中________________________
太空,空间_________________,如:在太空中________________________
7.给某人发送信息______________________________________
8.
这么多的星星_____________________________
9.上交________________,如:上交作业____________________________________
三、巩固练习题:
(
)1.Half
a
month
_____
since
I
came
to
Beijing,
I
miss
my
students
very
much.
A.
have
passed
B.
have
past
C.
has
passed
(
)2.It
is
said
that
an
old
man
lives
on
the
_____
island
_____.
A.
alone;
alone
B.
alone;
lonely
C.lonely;
alone
(
)3.Our
playground
is
not
so
tidy
and
beautiful
as
before.
Students
must
_____
dirty
things
on
it.
A.
be
stopped
to
throw
B.
be
stopped
from
throwing
C.
stop
to
throw
(
)4.The
shoes
were
worn
out,
what’s
more,
they
aren’t
worth
_____.
A.
to
mend
B.
mending
C.
mended
(
)5.—Do
you
know
who
_____
the
Tomb
of
Emperor
Qin
and
who
_____
the
mobile
phone?
—No,
but
we
may
ask
our
teacher.
A.
discovered;
invented
B.
was
discovered;
was
invented
C.
invented;
discovered
四、根据汉语意思完成下列句子。
1、这些小树苗应该赶快浇水。
These
young
trees
________
_________
________
_______
___________.
2、我将直到亲眼所见才相信有外星人。
I
_______
________
there
are
aliens
_______
I
see
them
______
_______
_____
________.
3、自从我来到这所学校已经有十多年了。
______
_______
________
more
than
ten
years
_______
I
______
to
this
school.
4、我宁愿睡觉也不愿意看这样的电视剧。
I
_______
_______
sleep
______
_______
watch
such
TV
plays.
5、花了我们三个小时才完成这个任务。
____
_________
us
three
hours
________
_______
this
task.