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(共15张PPT)
人教新目标版
八年级上学期
21世纪英文报
初二
745期
作者：陈嘉华
Video
视频见附件：
The
top
10
fastest
animals
in
the
world.
Warm
up
cheetah
ostrich
wildebeest?
Listening
Su
Bingtian
is
one
of
the
fastest
men
in
the
world.
At
the
2020
Tokyo
Summer
Olympics,
he
set
an
Asian
record
of
9.83
seconds
in
the
men’s
100-meter
sprint
(短跑比赛).
He
also
became
the
first
Chinese
runner
to
compete
in
the
final
round
(决赛)
of
the
event.
Breaking
the
10-second
mark
is
a
big
thing
for
the
world’s
top
runners.
Jamaican
runner
Usain
Bolt
set
the
event’s
top
record
in
2009
with
a
time
of
9.58
seconds.
This
made
him
the
world’s
fastest
runner.
But
just
how
fast
can
humans
run?
Is
there
a
limit
(极限)
to
our
top
speed?
People
used
to
believe
that
our
legs
can
only
take
a
certain
amount
of
force
when
they
hit
the
ground.
We
can
hurt
our
legs
if
we
use
too
much
force.
In
that
case,
the
fastest
possible
time
in
the
100-meter
sprint
would
be
9.48
seconds,
in
theory
(理论).?
But
according
to
a
2010
study,
our
legs
can
handle
(承受)
a
lot
more
force.
If
we
used
our
maximum
(最大)
force,
we
could
run
at
a
speed
of
64
kilometers
an
hour.
This
means
we
could
finish
the
100-meter
run
in
just
5.6
seconds!
However,
the
study
says
this
is
not
possible.
Even
if
we
used
our
maximum
force
to
run,
we
would
be
held
back
by
our
muscles’
(肌肉的)
speed.
There
are
physical
limits
to
how
fast
our
muscles
move.
At
a
certain
point,
they
hit
their
“contractile
(收缩的)
speed
limit”.
This
is
what
really
limits
our
top
speed,
according
to
the
study.
BY
MIKE
FUKSMAN,
21ST
CENTURY
TEENS
STAFF
How
fast
can
humans
run
While-reading
Asian
record
holder
world
record
holder
9.83
What
are
the
Asian
record
and
the
world
record
in
the
men’s
100-meter
sprint?
What
records
did
Su
Bingtian
set?
Reading
&
Grammar
He
set
an
Asian
record
of
9.83
seconds
in
the
men’s
100-meter
sprint.
Su
Bingtian
is
one
of
the
fastest
men
in
the
world.
At
the
2020
Tokyo
Summer
Olympics,
he
set
an
Asian
record
of
9.83
seconds
in
the
men’s
100-meter
sprint
(短跑比赛).
He
also
became
the
first
Chinese
runner
to
compete
in
the
final
round
(决赛)
of
the
event.
这是厦门最贵的餐厅之一。
This
is
one
of
the
most
expensive
restaurants
in
Xiamen.
她是世界上最富有的女人之一。
She
is
one
of
the
richest
women
in
the
world.
at
Christmas
at
Easter
在这个节日期间
set
a
record
在体育竞赛中创造纪录
Quan
Hongchan
set
a
new
Olympic
record
in
the
diving
competition.
全红婵创造了一个新的奥运会跳水纪录。
2.
Who
has
the
top
record
in
the
men’s
100-meter
sprint?
Reading
&
Grammar
Breaking
the
10-second
mark
is
a
big
thing
for
the
world’s
top
runners.
Jamaican
runner
Usain
Bolt
set
the
event’s
top
record
in
2009
with
a
time
of
9.58
seconds.
This
made
him
the
world’s
fastest
runner.
But
just
how
fast
can
humans
run?
Is
there
a
limit
(极限)
to
our
top
speed?
I
had
to
break
a
window
to
get
into
the
house.
Break
the
chocolate
into
small
pieces
and
melt
it
over
a
gentle
heat.
If
you
break
the
rules,
you’ll
be
punished.
Someone’s
broken
the
TV.
She
fell
downstairs
and
broke
her
arm.
打破，弄断
掰开
骨折
不遵守,
违反
弄坏，损坏
给某人一个机会，不苛求
Reading
&
Grammar
Breaking
the
10-second
mark
is
a
big
thing
for
the
world’s
top
runners.
Jamaican
runner
Usain
Bolt
set
the
event’s
top
record
in
2009
with
a
time
of
9.58
seconds.
This
made
him
the
world’s
fastest
runner.
But
just
how
fast
can
humans
run?
Is
there
a
limit
(极限)
to
our
top
speed?
一辆卡车正在以50英里（mph）的时速行驶。
A
truck
is
travelling
at
a
speed
of
50mph.
人口正在快速（great
speed）增长。
The
population
is
growing
at
great
speed.
这辆车的最高时速（top
speed）是132英里。
The
top
speed
of
this
car
is
132mph.
Reading
&
Grammar
Breaking
the
10-second
mark
is
a
big
thing
for
the
world’s
top
runners.
动名词
Tom,
open
the
door,
please.
Opening
the
door
makes
the
air
fresh.
Practice
your
English
as
much
as
possible.
Practicing
your
English
a
lot
can
improve
your
English.
Do
eye
exercises
between
classes.
Doing
eye
exercises
is
good
for
your
eyes.
Smoking
is
harmful
to
your
health.
Working
with
you
is
a
pleasure.
写作业让我妈开心。
3.
What
will
happen
if
we
use
too
much
force
when
we
run?
Reading
&
Grammar
People
used
to
believe
that
our
legs
can
only
take
a
certain
amount
of
force
when
they
hit
the
ground.
We
can
hurt
our
legs
if
we
use
too
much
force.
In
that
case,
the
fastest
possible
time
in
the
100-meter
sprint
would
be
9.48
seconds,
in
theory
(理论).?
used
to
曾经，过去经常（发生）
He
used
to
go
to
our
school.
She
used
to
be
a
friend
of
mine.
much
后接不可数名词
homework,
water,
money,
force
这座大楼曾经是个酒店吗？
This
building
used
to
be
a
hotel.
Did
this
building
use
to
be
a
hotel?
他过去很帅吗？
Did
he
use
to
be
so
handsome?
Reading
&
Grammar
However,
the
study
says
this
is
not
possible.
Even
if
we
used
our
maximum
force
to
run,
we
would
be
held
back
by
our
muscles’
(肌肉的)
speed.
There
are
physical
limits
to
how
fast
our
muscles
move.
At
a
certain
point,
they
hit
their
“contractile
(收缩的)
speed
limit”.
This
is
what
really
limits
our
top
speed,
according
to
the
study.
hold
sb/sth.
back
:
to
make
someone
or
something
stop
moving
forward
She
struggled
to
hold
back
her
tears.
阻止（抑制）某人/某物。
Our
muscles’
physical
limits
hit
their
“contractile
speed
limit”.
4.
According
to
the
text,
what
limits
our
speed?
hit
:
to
reach
a
particular
level
or
number
impossible
I
couldn’t
hold
back
my
anger.
Reading
Comprehension
Write
true
(T)
or
false
(F).
It’s
possible
for
humans
to
run
64
kilometers
per
hour.
(
)
In
theory,
the
fasted
possible
speed
in
the
100-meter
sprint
would
be
9.58
seconds.
(
)
People
used
to
believe
that
our
legs
can
only
take
a
certain
amount
of
force
when
they
hit
the
ground.
We
can
hurt
our
legs
if
we
use
too
much
force.
In
that
case,
the
fastest
possible
time
in
the
100-meter
sprint
would
be
9.48
seconds,
in
theory
(理论).?
But
according
to
a
2010
study,
our
legs
can
handle
(承受)
a
lot
more
force.
If
we
used
our
maximum
(最大)
force,
we
could
run
at
a
speed
of
64
kilometers
an
hour.
This
means
we
could
finish
the
100-meter
run
in
just
5.6
seconds!
However,
the
study
says
this
is
not
possible.
F
F
Writing
格林兰睡鲨(Greenland
shark)是世界上最长寿（longest-living）的动物之一。它们生活在北极附近。Greenland
shark
is
one
of
the
longest-living
animal
in
the
world.
They
live
near
the
Arctic.
How
fast
can
humans
run?
Is
there
a
limit
to
our
top
speed?
但是人类能跑多快呢？我们的最高速度有限制吗？
人类不可能在
5.6
秒内完成
100
米跑。
It's
impossible
that
humans
could
finish
the
100-meter
sprint
in
just
5.6
seconds.
打破
10
秒大关对于世界顶级跑者来说是一件大事。
Breaking
the
10-second
mark
is
a
big
thing
for
the
world’s
top
runners.
苏炳添创造了男子100米短跑9.83秒的亚洲纪录.
Su
Bingtian
set
an
Asian
record
of
9.83
seconds
in
the
men’s
100-meter
sprint.
我们过去常常暑假去旅行。We
used
to
travel
a
lot
in
summer
holiday.
参考译文
苏炳添是世界上跑得最快的人之一。在2020年东京夏季奥运会上，他创造了男子100米短跑9.83秒的亚洲纪录。他也成为第一位参加决赛的中国选手。打破
10
秒大关对于世界顶级跑者来说是一件大事。牙买加选手尤塞恩·博尔特
(Usain
Bolt)
在
2009
年以
9.58
秒的成绩创造了该项赛事的最高纪录。这使他成为世界上跑得最快的人。但是人类能跑多快呢？我们的最高速度有限制吗？人们过去认为，我们的腿在落地时只能承受一定的力。如果我们用力过猛，可能会伤到我们的腿。在这种情况下，理论上
100
米冲刺最快的时间是
9.48
秒。但根据
2010
年的一项研究，我们的腿可以承受更多的力量。如果我们使用最大的力量，我们可以以每小时
64
公里的速度奔跑。这意味着我们可以在短短
5.6
秒内完成
100
米跑！然而，研究表明这是不可能的。即使我们用最大的力量去跑步，我们也会被肌肉的速度所阻碍。我们的肌肉运动速度是有身体限制的。在某一时刻，他们达到了“收缩速度限制”。根据这项研究，这才是真正限制我们最高速度的原因。
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洲纪录保持者中小学教育资源及组卷应用平台
How
fast
can
humans
run?
1．
写出下列动词的过去时和过去分词。
动词原形
过去时
过去分词
become
set
made
broken
hit
get
went
2．
翻译
1.
苏炳添是世界上跑得最快的人之一。
2.
这是厦门最贵的餐厅之一。
3.
她曾经是世界上最富有的女人之一。
4.
Break
the
chocolate
into
small
pieces
and
melt
it
over
a
gentle
heat.
5.
Give
him
a
break,
he’s
just
a
little
boy.
6.
这辆车的最高时速是180mph.
7.
人口正在快速增长。（great
speed）
3．
选择题。
1.
A
car
is
traveling
______
a
speed
of
50mph.
A.
of
B.
in
C.
on
D.
at
2.
_______
eye
exercises
is
good
for
your
eyes.
A.
Doing
B.
Do
C.
Does
3.
________
is
difficult
for
me.
A.
Climb
B.
Climbing
C.
Climbs
4.
Smoking
is
_______
to
your
_______.
A.
harm,
health
B.
harmful,
healthy
C.
harmful,
health
5.
If
we
use
______
force,
we
can
hurt
our
legs.
A.
too
many
B.
too
much
6.
She
struggled
to
_____
her
tears.
A.
held
back
B
hold
C.
hold
back
7.
It’s
_________
that
humans
could
finish
the
100-meter
sprint
in
just
5.6
seconds.
A.
possible
B.
impossible
8.
Greenland
shark
is
one
of
the
longest-living
______
in
the
world.
A．animal
B.
animals
四．
听力练习
Su
Bingtian
is
one
of
_________men
in
the
world.
____
the
2020
Tokyo
Summer
Olympics,
he
set
an
_____________(亚洲记录)
of
9.83
seconds
in
the
men’s
___________________(100米短跑).
He
also
became
the
first
Chinese
runner
to
compete
in
the
________________决赛
of
the
event.
__________
the
10-second
mark
is
a
big
thing
for
the
world’s
top
runners.
Jamaican
runner
Usain
Bolt
set
the
event’s
top
record
____
2009
with
a
time
of
9.58
seconds.
This
_______
him
the
world’s
fastest
runner.
But
just
how
fast
can
humans
run?
Is
there
a
______
(极限)
to
our
top
speed?
People
____________(曾经认为)
that
our
legs
can
only
take
a
certain
amount
of
force
when
they
hit
the
ground.
We
can
hurt
our
legs
if
we
use
_______(too
many,
too
much)
force.
In
that
case,
the
fastest
possible
time
in
the
100-meter
sprint
would
be
9.48
seconds,
in
theory
(理论).?
But
________(根据)
a
2010
study,
our
legs
can
handle
a
lot
more
force.
If
we
used
our
maximum
(最大)
force,
we
could
run
____
a
speed
of
64
kilometers
an
hour.
This
means
we
could
finish
the
100-meter
run
in
just
5.6
seconds!
__________(然而),
the
study
says
this
is
not
possible.
_______(即使)
we
used
our
maximum
force
to
run,
we
would
be
held
back
by
our
muscles’
(肌肉的)
speed.
There
are
physical
limits
to
how
fast
our
muscles
move.
At
a
certain
point,
they
hit
their
“contractile
(收缩的)
speed
limit”.
This
is
what
really
limits
our
top
speed,
according
to
the
study.
BY
MIKE
FUKSMAN,
21ST
CENTURY
TEENS
STAFF
答案：
1．
写出下列动词的过去时和过去分词。
动词原形
过去时
过去分词
become
became
become
set
set
set
make
made
made
break
broke
broken
hit
hit
hit
get
got
gotten
go
went
gone
2．
翻译
1.
苏炳添是世界上跑得最快的人之一。
Su
Bingtian
is
one
of
the
fastest
men
in
the
world.
2.
这是厦门最贵的餐厅之一。
This
is
one
of
the
most
expensive
restaurants
in
Xiamen.
3.
她曾经是世界上最富有的女人之一。
She
used
to
be
one
of
the
richest
women
in
the
world.
4.
Break
the
chocolate
into
small
pieces
and
melt
it
over
a
gentle
heat.
把巧克力掰成小块，再用文火融化。
5.
Give
him
a
break,
he’s
just
a
little
boy.
放过他吧，他还只是个小男孩。
6.
这辆车的最高时速是180
mph.
The
top
speed
of
this
car
is
180
mph.
7.
人口正在快速增长。（great
speed）
The
population
is
growing
at
a
great
speed.
3．
选择题。
1.
A
car
is
traveling
______
a
speed
of
50mph.
A.
of
B.
in
C.
on
D.
at
2.
_______
eye
exercises
is
good
for
your
eyes.
A.
Doing
B.
Do
C.
Does
3.
________
is
difficult
for
me.
A.
Climb
B.
Climbing
C.
Climbs
4.
Smoking
is
_______
to
your
_______.
A.
harm,
health
B.
harmful,
healthy
C.
harmful,
health
5.
If
we
use
______
force,
we
can
hurt
our
legs.
A.
too
many
B.
too
much
6.
She
struggled
to
_____
her
tears.
A.
held
back
B
hold
C.
hold
back
7.
It’s
_________
that
humans
could
finish
the
100-meter
sprint
in
just
5.6
seconds.
A.
possible
B.
impossible
8.
Greenland
shark
is
one
of
the
longest-living
______
in
the
world.
A．animal
B.
animals
四．
听力练习
Su
Bingtian
is
one
of
__fastest_men
in
the
world.
__At__
the
2020
Tokyo
Summer
Olympics,
he
set
an
_Asian
record_(亚洲记录)
of
9.83
seconds
in
the
men’s
100-meter
sprint_(100米短跑).
He
also
became
the
first
Chinese
runner
to
compete
in
the
_final
round__决赛
of
the
event.
Breaking_
the
10-second
mark
is
a
big
thing
for
the
world’s
top
runners.
Jamaican
runner
Usain
Bolt
set
the
event’s
top
record
_in___
2009
with
a
time
of
9.58
seconds.
This
__made_____
him
the
world’s
fastest
runner.
But
just
how
fast
can
humans
run?
Is
there
a
__limit____
(极限)
to
our
top
speed?
People
used
to
believe_(曾经认为)
that
our
legs
can
only
take
a
certain
amount
of
force
when
they
hit
the
ground.
We
can
hurt
our
legs
if
we
use
_______(too
many,
too
much)
force.
In
that
case,
the
fastest
possible
time
in
the
100-meter
sprint
would
be
9.48
seconds,
in
theory
(理论).?
But
_according
to_(根据)
a
2010
study,
our
legs
can
handle
a
lot
more
force.
If
we
used
our
maximum
(最大)
force,
we
could
run
_at_
a
speed
of
64
kilometers
an
hour.
This
means
we
could
finish
the
100-meter
run
in
just
5.6
seconds!
__However_(然而),
the
study
says
this
is
not
possible.
Even
if__(即使)
we
used
our
maximum
force
to
run,
we
would
be
held
back
by
our
muscles’
(肌肉的)
speed.
There
are
physical
limits
to
how
fast
our
muscles
move.
At
a
certain
point,
they
hit
their
“contractile
(收缩的)
speed
limit”.
This
is
what
really
limits
our
top
speed,
according
to
the
study.
BY
MIKE
FUKSMAN,
21ST
CENTURY
TEENS
STAFF
21世纪教育网
www.21cnjy.com
精品试卷·第
2
页
（共
2
页）
HYPERLINK
"http://21世纪教育网(www.21cnjy.com)
"
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