(共27张PPT)
人教版八年级上册
Unit2
How
often
do
you
exercise
Section
B（2a-2e）
1.
能掌握以下单词：result,
percent,
online,
television,
although,
mind等。
2.能掌握以下句型：
We
found
that
only
fifteen
percent
of
our
students
exercise
every
day.
We
all
know
that
many
students
often
go
online,
but
we
were
surprised
that
ninety
percent
of
them
use
the
Internet
every
day.
The
answers
to
our
questions
about
watching
television
were
also
interesting.
Only
two
percent
of
the
students
watch
TV
one
to
three
times
a
week.
3.通过预测、扫读、分段细读，理解文本，完成阅读要求。
学习目标
自学互研
新词自查
根据句意及汉语提示完成句子
1.
A
popular
way
to
shop
now
is
shopping
online
(在线的).
2.
Although
(虽然)
he
is
young,
he
can
do
some
things
by
himself.
3.Research
_____
shows
you
are
right.
4.Thirty
______
of
the
students
go
to
school
on
foot
in
our
class
5.Exercise
is
healthy
for
the
_____
and
the
_____
result
percent
mind
body
Enjoy
a
video
情景导入
What
Do
No.5
High
School
Students
Do
in
Their
Free
time
Look
at
the
title
and
guess
the
main
idea
of
this
passage.
Prediction
Title
Topic
调查内容
Results
调查结果
Comments
调查结论
Para
.1
Para.
2,
3,
4
Para.
5
Skim
the
article
and
match
each
paragraph
with
the
following
parts.
Fast
reading
When
Qs
What
asked
…
about
their
free
time
activities
Last
month
…
were
about
exercise,
use
of
the
Internet,
and
watching
TV.
1
Topic
调查内容
Here
are
the
results.
Para.
2,
3,
4
Careful
reading
2
Results
调查结果
Read
Para.2-4
and
complete
the
pie
charts.
Complete
the
pie
charts
below.
15
20
20
45
10
90
13
2
85
15
percent
of
the
students
exercise
every
day.
…percent
of
the
students
exercise
…
not
…at
all
=
never
15
20
20
45
10
90
13
2
85
Jigsaw
Reading:
Complete
the
Pie
Chart
A
or
B
A
–
B
Help
each
other!
What
percent
of
the
students
do
not
exercise
at
all
2.
What
percent
of
the
students
use
the
Internet
every
day
3.
How
often
do
most
students
watch
TV
What
do
they
usually
watch
20%.
90%.
Every
day.
They
usually
watch
sports
and
game
shows,
but
game
shows
are
the
most
popular.
Look
at
the
pie
charts,
and
answer
the
questions.
No.
Because
they
use
the
Internet
and
watch
TV
too
much.
They
use
the
Internet
for
fun
and
not
for
homework.
1.
Do
you
think
the
students
at
No.
5
are
healthy
Why
or
why
not
2.
What
does
the
writer
think
is
the
best
way
to
relax
Why
Read
the
article
again
and
answer
questions.
The
write
thinks
the
best
way
to
relax
is
through
exercise.
Because
it
is
healthy
for
the
mind
and
the
body.
Last
month
we
asked
our
students
about
their
______
______
________.
Our
questions
were
about
______
,
use
of
the
Internet
and
_________
_____.
Here
are
the
results.
We
found
that
20%
of
the
students
don’t
exercise
______
______.
Most
students
go
online
and
watch
TV
every
day.
But
they
use
the
Internet
_____
______
and
not
for
_________.
And
many
students
like
to
watch
sports,
but______
_____are
the
most
popular.
The
best
way
to
relax
is
______
_______.
It’s
healthy
for
the______
and
the
body.
Exercise
______
______
playing
sports
is
fun,
and
you
can
_____
_____
with
your
friends
and
family.
Old
habits
die
hard.
Start
exercising
before
it’s
too
______.
最强大脑比拼！Retell
the
survey
report.
free
time
exercise
at
for
fun
homework
game
shows
through
exercise
mind
spend
time
such
as
late
all
activities
watching
TV
3
Deep
thinking
1.
Do
you
think
the
best
way
to
relax
is
only
through
exercise
2.
What
do
you
do
to
relax
yourself
in
your
free
time
Question
How
often
do
you
…
采访对象
1-3
times
a
week
4-6
times
a
week
Every
day
Never
Person
1:
T
/
S
Person
2:
T
/
S
Percent小组汇总
Let’s
make
a
survey
in
class
and
report
it.
Show
time-
Make
conversations
A:
Hi,
I’m
a
reporter
from…
May
I
ask
you
some
questions
B:
Sure!
A:
What
do
you
do
in
your
free
time
B:
I
exercise.
A:
How
often
do
you
exercise
B:
I…
A:
How
about
you
Do
you
like
to
use
the
Internet
in
your
free
time
C:
No,
I
don’t
like
using
the
Internet
at
all.
I
read
English
stories
three
times
a
week.
D:
I
sometimes
use
the
Internet
on
weekends
for
about
one
hour…
A:
Thanks
for
your
answering.
B:
You’re
welcome.
Show
time-
Make
reports
Hello
!
I’m
______.
I
asked
________about
______.
I
found
that
___________percent
of
the
students
___________.
And
I
know
that_________,
but
I
was
surprised
that
_________.
The
answers
to
the
questions
about
_________
were
also
very
interesting.
Although
________,
_______
are
the
most
popular.
It
is
good
to
relax
by
____________,
but
I
think
the
best
way
to
relax
is
through_______.
Please
remember,
“old
habits
die
hard”.
So,
start______________.
Work
in
groups
to
write
about
giving
comments
of
your
free
time
activities.
What
do
you
do
in
your
free
time
Good
living
habits
are
healthy
for
the
mind
and
the
body.
We
should
exercise
______________.
We
can’t
watch
or
use
the
Internet
___________.
And
we
should
read
books
______________
And
remember,
“old
habits
die
hard.”
So
make
a
good
plan
before
it’s
too
late.
result,
percent,
online,
television,
die
although,
mind,
body,
such,
together,
such
as
Sentence
patterns
The
answers
to
our
questions
about
watching
television
were
also
interesting.
We
found
that
only
fifteen
percent
of
our
students
exercise
every
day.
We
all
know
that
many
students
often
go
online,
but
we
were
surprised
that
ninety
percent
of
them
use
the
Internet
every
day.
Only
two
percent
of
the
students
watch
TV
one
to
three
times
a
week.
Summary
Words
and
phrases
问题探究
▲
percent的用法
作名词，意为“百分之…”，无复数形式。
注意：当“数词+percent
+of
+限定词+名词”作主语时，谓语动词的数要根据其后面的名词来确定。
导练：1）Fifty
percent
of
the
apples
are(be)
bad.
2)
Twenty
percent
of
the
meat
is
(be)
in
the
fridge.
▲although与through的用法
1）although作连词，意为“尽管，虽然；即使”。
注意：although引导的从句不能与but连用。
2）through作介词，课文中意为“以，凭借”，此外还有“穿过”之意，表示“从…..内部穿过”
▲not…at
all
意为你“一点也不”，not应和be动词，助动词或情态动词连用。如：The
story
isn’t
interesting
at
all.
▲take,
spend,
pay,
cost的用法
1）take构成的句型为：It
takes
sb.
some
time
to
do
sth.(it为形式主语)
2）spend一般以人为主语：sb.
spend…
on
sth./(in)
doing
sth.
3）pay
一般以人作主语，常与for连用
4)
Cost
常以“物”作主语：sth.
cost(sb)
money.
▲such
as意为“像……这样”，表示列举。结构常为：“名词+such
as+例子”，一般列举同类人或事物中的几个。
注意：其后面不可列举出所有的事物
We
asked
our
students
____________
their
free
time
activities.
A.
about
B.
for
C.
of
D.
to
2.We
were
________
that
ninety
percent
of
them
use
the
Internet
every
day.
A.
surprise
B.
surprising
C.
surprised
D.
surprises
3._____
is
good
to
relax
________
using
the
Internet
or
watching
game
shows.
A.
It,
to
B.
This,
by
C.
That,
for
D.
It,
by
A
C
D
单项选择
课堂评价
4.Exercise
such
as
playing
sports
is
fun,
and
you
can
___
time
___
your
friends.
A.
spend,
with
B.
spend,
on
C.
spend,
in
D.
take,
on
5.Old
habits
die
hard,
so
start
exercising
__________
it’s
too
late!
A.
after
B.
before
C.
when
D.
because
A
B
1.
Write
a
survey
report
about
free
time
activities
of
your
friends
in
other
school.
2.
Surf
on
the
Internet
to
find
out
the
students
in
foreign
countries
about
their
free
activities
and
report
it
in
class.
