(共36张PPT)
Unit
2
How
often
do
you
exercise?
Section
B(3a-Self
Check)
人教版本
八年级上册
Lead
in
What
should
we
do
in
the
morning?
Revision
短语：
百分之二十
放松最好的方式
一周四到六次
一起玩
上网
去购物
我们问题的答案
对心理和身体好
例如
twenty
pecent
the
best
way
to
relax
four
to
six
times
a
week
play
together
go
online
go
shopping
the
answers
to
our
questions
It's
healthy
for
such
as
the
mind
and
the
body
Revision
1.What
did
they
do
last
week?
They
asked
their
students
about
their
free
time
activities.
2.How
often
did
students
use
the
Internet?
Ninety
percent
of
the
students
use
the
Internet
everyday.
3.What's
the
best
way
to
relax.
The
best
way
to
relax
is
through
exercise.
Presentation
1.magazine[?m?ɡ??zi?n]
n.杂志；期刊
read
a
magazine看杂志
My
father
is
reading
a
magazine.
我的父亲正在看杂志。
We
can't
understand
the
magazine.
我们不能理解这个杂志。
Presentation
2.however[ha??ev?(r)]
adv.然而，不过
辨析：however
与but
however放于句中，需要用“，”将其与连接的句子分开
but不用与连接的句子分开
It's
raining
hard.However，I
still
want
to
go
there.
天正下着大雨，然而我还是想去那儿。
My
brother
can
speak
French
but
I
can't。
Presentation
【拓展】however,”无论如何”=no
matter
how
However
difficult
it
is，I
want
to
have
a
try.=No
matter
how
difficult
it
is，I
want
to
have
a
try.
不管多么难，我都想试一试。
The
two
girls
are
twins._____，they
look
very
different.
A.So
B.If
C.However
D.Because
Presentation
3.than[??n
,
??n]
prep./conj.比
反义词less
more
than多于=over
反义less
than少于
The
city
has
a
population
of
more
than/over
1，000，000.
这个城市有超过一百万的人口。
I
usually
sleep
for
less
than
seven
hours
at
night.
我晚上的睡觉时间通常少于七个小时。
Presentation
The
population
of
Liupanshui
is
over
3
million.[六盘水]
A.less
than
B.almost
C.nearly
D.more
than
American
Teenager
《美国青少年》
Presentation
4.almost[???lm??st]
adv.几乎；差不多
同义词nearly，放助动词，系动词，情态动词后，行为动词前
e.g.He
almost
ate
all
the
bread
in
the
restaurant.
他几乎吃了那家饭店里所有的面包。
Almost
nobody
believed
her.几乎没有人相信她。
almost不能与not连用，但可与no，none，nobody，nothing，never等否定词连用。
Presentation
5.none[n?n]
pron.没有一个；毫无
e.g.--How
many
students
are
there
in
the
classroom
now？
教室里现在有多少学生？
--None.没有学生。
（none可指人，也可指物，一般用来回答how
many或how
much的问句）
Presentation
6.point[p??nt]
n.得分；点
做动词，“指着”，point
to（指，远处）/at（指近处）sb
I
can't
see
your
point.我不明白你的意思。
He
pointed
to
the
door
and
there
I
saw
a
girl
smiling
at
me.
他指向门，我看见那里有一位姑娘朝着我微笑。
The
teacher
pointed
at
the
map
and
told
me
the
location
of
Britain.
老师指着地图告诉我英国的位置。
Sing
a
song
He
is
reading
a
magazine.He
is
reading
a
magazine.
However,however,however,he
spends
less
than
2
hours
on
his
study.
My
mother
points
to
the
door.My
mother
points
to
the
door.
But
I
see
none,none,none.
Why,why,why?
Because
I
don't
take
my
glasses.
Because
I
don't
take
my
glasses.
Reading
3a
Look
at
the
information
in
the
chart
and
complete
the
report.
Reading
Jane
is
a
16-year-old
high
school
student
in
the
United
States.
American
Teenager
magazine
asked
her
about
her
habits.
Jane
has
a
lot
of
good
habits.
She
always
exercises
and
she
reads
books______Also,
she_______
drinks
juice
and
she_____
stays
up
late.
However,
she
has
some
bad
habits,
too.
She________watches
TV
for
more
than
two
hours
a
day,
and
she________
eats
hamburgers.
Her
parents
are
not
very
happy
because
she_______
helps
with
housework
and
she______goes
to
the
dentist
for
teeth
cleaning.
She
says
she
is
afraid!
every
day
usually
hardly
ever
usually
often
hardly
ever
never
Reading
task
判断正误，正确T，错误F
1.Jane
is
a
15-year-old
student.
2.She
reads
books
everyday.
3.She
seldom
drinks
juice.
4.She
sometimes
helps
with
housework.
答案：F
T
F
T
Reading
task
1.Who
visited
Jane?
American
Teenager
magazine
2.How
long
does
she
watch
TV?
She
watches
TV
for
more
than
two
hours
a
day.
3.Why
aren't
her
parents
happy?
Because
she
sometimes
helps
with
housework.
Reading
3b
Complete
the
chart
with
your
own
information.
In
the
last
column,
use
expressions
like
always,
every
day,
twice
a
week
and
never.
Reading
3c
Write
a
report
about
your
good
and
bad
habits.
Say
how
often
you
do
things.
Use
the
report
in
3a
as
an
example.
Reading
Take
the
health
quiz.
Compare
your
results
with
your
partner's.
Who's
healthier?
1.
How
often
do
you
eat
breakfast?
a.
Never.
b.
A
few
times
a
week.
c.
Almost
every
day.
2.
How
often
do
you
eat
fast
food?
a.
Never.
b.
A
few
times
a
week.
c.
Almost
every
day.
3.
How
often
do
you
eat
vegetables
and
fruit?
a.
Never.
b.
A
few
times
a
week.
c.
Almost
every
day.
4.
How
often
do
you
exercise?
a.
A
few
times
a
year.
b.
A
few
times
a
month.c.
A
few
times
a
week.
Reading
5.
How
many
hours
do
you
watch
TV
every
week?
a.
None.
b.
One
to
four.
c.
Five
or
more.
6.
How
many
hours
do
you
usually
sleep
at
night?
a.
Less
than
six.
b.
Six
or
seven.
c.
Eight
or
more.
9-12
points：You're
really
healthy！Good
for
you一and
your
health！
4-8
points：You
re
smart
about
your
health
most
of
the
time.
0-3
points：You
have
to
learn
more
about
healthy
habits.Don't
worry一you
can
do
it！.
Reading
1
Complete
the
chart
with
activities
you
do
and
don't
do.
What
about
your
mother/father?
Reading
I
play
computer
games;exercise;stay
up
late;go
shopping;help
with
housework;eat
fruit
My
mother
or
father
watch
TV;exercise;drink
milk;use
the
Internet;eat
vegetables;eat
junk
food
Reading
2
Write
five
sentences
using
the
information
above.
1)I
always
play
computer
games.
2)I
hardly
ever
help
with
housework.
3)
My
mother
usually
exercises.
4)
My
mother
sometimes
uses
the
Internet.
5)I
often
stay
up
late.
Reading
3
Fill
in
the
blanks
in
the
conversation.
A:
What
do
Tom
and
Mike_________
do
on
weekends?
B:
They
sometimes
go
to
the
museum.
A:
_________do
they
go
to
the
shopping
center?
B:
_________ever.
Maybe
about
twice
a
month.
A:
_________do
they
watchTV?
B:
Mike
never
watches
TV,
but
Tom
watches
TV_________day.
A:
Oh,I'm
just
like
Tom.
I_________watch
TVtoo.
sometimes
How
often
Hardly
How
often
every
always
Role
play
Work
in
groups.Make
a
dialogue
about
good
habits.Jack
is
you
and
Jenny
is
your
friend.Which
group
can
do
the
best.
Jack:I
think
we
should
eat
more
vegetables.
Jenny:Yes,....
Language
points
Jane
is
a
16-year-old
high
school
student
in
the
United
States.
16-year-old
“基数词+名词+形容词”构成的复合形容词，常用在名词前作定语
e.g.Millie
is
a
10-year-old
girl.（=Millie
is
ten
years
old.）
米莉是一一个
10岁的女孩。
拓展：a
two-meter-wide
bridge一座两米宽的桥
a
seven-day-long
vacation一个7天的假期
Language
points
However,
she
has
some
bad
habits,
too.
however，然而，连接句子，需要在后面加逗号。
She
usually
watches
TV
for
more
than
two
hours
a
day,
and
she
sometimes
eats
hamburgers.
more
than充当修饰语，for后面加时间词，表示持续，usually表示频率，放动词前面
Language
points
She
says
she
is
afraid!
be
afraid
to
do
sth.害怕去做某事
be
afraid
of
doing
sth.害怕发生某事
be
afraid
of
sth/sb.害怕某物/某人.
be
afraid
that..害怕....
Language
points
Tom
is
afraid
to
walk
alone
at
night.
汤姆害怕自己一个
人在夜里走路。
The
thief
was
afraid
of
being
caught
by
the
police.
窃贼怕被警察抓住。
Jane
is
afraid
of
dogs.简害怕狗。
We
are
afraid（that）we
will
be
late.
我们恐怕要迟到了
Let’s
do
根据句意及汉语或首字母提示完成单词
1.Sue
likes
shopping
very
much.She__________（几乎）goes
shopping
every
day.
2.Jane
thinks
the
best
way
to
relax
is
to
read___________（杂志）.
3.We
should
eat
l_______meat
than
vegetables.
4.Justin
has
a
toothache
these
days，so
he
has
to
go
to
the________（牙医）.
almost
magazines
ess
dentist
Let’s
do
二、根据汉语意思完成句子，每空一词
汤姆是一个八岁的男孩。.
Tom
is_______
________________
boy.
在夜晚，我妹妹不敢自己出去。
My
sister
is______
______go
out
by
herself
at
night.
读书时不要用手指着字。
Don't_______
_______
the
words
while
you
are
reading
books.
an
eight-year-old
afraid
to
point
at
Summary
1.however与but的区别
2.短语more
than,less
than
3.point
at指近处
point
to指远处
4.almost不可与not连用
句子：She
usually
watches
TV
for
more
than
two
hours
a
day,and
she
sometimes
eats
hamburgers.
Jane
is
a
16-year-old
high
school
student
in
the
United
States.
Homework
以“Good
habits
make
me
better”为题，写一篇关于健康生活的文章，发挥想象，字数100词。
谢谢
21世纪教育网（www.21cnjy.com)
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Unit
2
How
often
do
you
exercise?
一、单选题
1.Mary
is
a
??????high
school
girl
in
the
United
States.
A.?15
years
old???????????????????B.?15-year-old??????????????????C.?15-years-old??????????????????D.?15
year
old
2.Speak
louder,
please!
I
can
____
hear
you.
A.?easily????????????????????????????B.?hardly???????????????????????????C.?usually
D.often
3.It
is
polite
___????
_
a
gift
when
you
visit
somebody
for
the
first
t
time.
A.?take???????????????????????????????B.?taking???????????????????????????C.?to
take
D.takes
4._______
he
is
tired,
he
is
still
doing
his
homework.
A.?Because????????????????????????B.?As??????????????????????????????
??C.?When??????????????????????????
????D.?Although
5.—What
does
your
mother
do
to
keep
healthy,
Tim?
—She
usually
____.
A.?swim????????????????????????????
B.?swims????????????????????????????C.?is
swimming????????????????????D.?to
swim
6.—I
think
drinking
milk
every
morning
is
good
____
our
health.
—Yes.
I
agree
____
you.
A.?to;
to?????????????????????????????
B.?with；to????????????????????????C.?at;
with?????????????????????????????D.?for，with
7.—
??????do
you
do
exercise?
—Always.
It's
good
for
my
health.
A.?How
many
times????????????B.?How
much
time?????????????C.?How
much???????????????
D.?How
often
二、阅读理解
8.阅读理解
???
It
is
Oct.
24.
You
pick
up
a
bottle
of
milk.
You
see
"Best
Before
Oct.23"
on
it.
What
do
you
do
with
it?
Most
people
just
throw
it
away.
It's
a
big
waste.
???
The
United
Nations
says
that
over
one
third
of
food
goes
to
the
trash.
But
795
million
people
on
Earth
don't
have
enough
to
eat.
To
change
this,
people
have
come
up
with
great
ideas.
After
all,
the
best
place
for
food
is
our
stomachs,
not
the
trash.
???
Sharing
food
???
People
say,
"There's
no
such
thing
as
a
free,
lunch."
But
they
are
wrong.
Recently,
"share
fridges"
have
come
to
cities
like
Shanghai
and
Quanzhou,
Quick
meals,
milk,
cookies
and
cakes
are
staying
in
the
fridges.
It
is
just
like
your
fridge
at
home.
The
food
comes
from
families
and
shops
nearby.
And
it
is
free
for
every
passerby
to
enjoy!
This
great
idea
comes
from
the
popular
"food
bank"
practice.
We
keep
our
extra
money
in
a
bank.
In
1967，
some
people
in
the
US
wanted
to
do
the
same
with
food.
They
then
set
up
the
world's
free
food
bank.
???
In
many
people's
eyes,
expired(
过期的)
food
becomes
junk.
But
a
company
from
the
UK
thinks
differently.
There
is
a
"Best
Before
Date
"on
the
food
bag.
Before
that
date,
the
quality(质量)
is
the
best.
But
after
that
date,
the
food
can
be
still
OK
to
eat.
???
So,
the
Real
Junk
Food
Project,
a
British
company,
gets
such
food
from
supermarkets
and
puts
it
in
cafes
again.
They
don't
give
the
food
a
price.
You
can
give
whatever
money
you
like.
If
you
don't
want
to
spend
money,
you
can
help
work
there.
（1）he
writer
thinks
it's
wrong
to
say
"There's
no
such
thing
as
a
free
lunch,
because
??????.
A.the
saying
is
not
true
at
all
B.the
food
in
"share
fridges"
is
free
C.most
food
goes
to
the
trash
D.the
food
for
lunch
is
free
everywhere
（2）Where
did
the
first
free
food
bank
appear?
A.China.
B.The
UN.
C.The
US.
D.The
UK.
（3）A
company
from
the
UK
thinks
the
food
after
"Best
Before
Date
"is
??????to
eat.
A.bad
B.OK
C.the
best
D.better
（4）You
can't
see
the
???????of
the
food
in
cafes.
A.name
B.date
C.address
D.price
（5）What's
the
best
title
for
the
passage?
A.Ways
to
stop
food
waste
B.Food's
best
before
date
C.To
enjoy
the
free
food
D.Where
to
find
"share
fridges"?
三、句型转换
9.句型转换
（1）There's
only
a
little
water
in
the
river.
（对画线部分提问）
?
________
________
water
is
there
in
the
river?
（2）Our
school
organizes
an
English
speech
contest
once
a
year.（对画线部分提问）
?
________
________
does
your
school
organize
an
English
speech
contest?
（3）To
plant
trees
every
year
is
necessary
for
us.（改为同义句）
?
________
________
________
for
us
to
plant
trees
every
year.
（4）Shall
we
have
a
picnic
at
the
weekend?（改为同义句）
?
________
________
having
a
picnic
at
the
weekend?
（5）My
brother
drinks
milk
every
day.（改为一般疑问句）
?
________
your
brother
________
milk
every
day?
答案解析部分
一、单选题
1.答案：
B
解析：句意：玛丽是美国一个15岁的高中女生。分析句式结构可知此句需要合成形容词。其基本结构为冠词-基数词-名词单数-形容词。由选项的提示可知，故选B。
点评：考查合成形容词的基本构成。注意名词要用单数形式。
2.答案：
B
解析：考查副词辨析；根据句意：请大点声说！我几乎听不见你说的。A容易地；B几乎不；C通常。故B项符合。
3.答案：
C
解析：考查动词不定式；It
is
+
adj
+
to
+
do
+
sth做某事是怎样的主语从句结构。句意：当你初次与某人见面时，带礼物给对方是礼貌的。故C项符合。
4.答案：
D
解析：考查表转折关系的连词；根据句意：尽管他累，他仍然做作业。A因为；B作为；C当时；D尽管、纵然；故D项符合。
5.答案：
B
解析：考查实义动词；根据句意：她通常游泳。A游泳，动词原形；B游泳，动词第三人称单数形式；C正在游泳，现在进行时；D不定式。由于主语是第三人称单数形式，此句又属于一般现在时，故B项符合。
6.答案：
D
解析：考查介词/介词短语；be
good
for
sth是对某事有好处，介词用for；agree
with
sb是同意某人的观点/看法，介词用with。据此分析，A介词使用不对；B介词使用不对；C介词使用不对，D介词使用正确。故D项符合
。
7.答案：
D
解析：句意：——你多久锻炼一次？——总是。这对我的健康有好处。A?几次，询问词数；B?多少时间；C?多少，询问价格或不可数名词量；D?多久一次，询问频率。根据答语中的always可知，询问频率，故选D。
点评：考查短语辨析。正确理解每个短语的基本含义及用法，根据题干的相关信息确定最佳选项。
二、阅读理解
8.答案：
（1）B
（2）C
（3）B
（4）D
（5）A
解析：本文呼吁要减少食物浪费，并介绍了几个防止食物浪费的办法。
（1）细节题。根据
it
is
free
for
every
passerby
to
enjoy
可知，
作家认为说“没有免费午餐是错误的，因为“共享冰箱”里的食物是免费的，故选B。
（2）细节题。根据
some
people
in
the
US
wanted
to
do
the
same
with
food.
They
then
set
up
the
world's
free
food
bank
一些美国人也想对食物做同样的事情。然后他们建立了世界免费食品银行
可知，
第一家免费食品银行出现在美国，故选C。
（3）细节题。根据
There
is
a
"Best
Before
Date
"on
the
food
bag.
Before
that
date,
the
quality(质量)
is
the
best.
But
after
that
date,
the
food
can
be
still
OK
to
eat
可知，来自英国的一家公司认为“最佳日期前”的食物可以，故选B。
（4）细节题。根据
They
don't
give
the
food
a
price
他们不给食物定价
可知，
你看不到咖啡馆里的食物价格
，故选D。
（5）主旨题。根据本文呼吁要减少食物浪费，并介绍了几个防止食物浪费的办法可知，最好的标题是
Ways
to
stop
food
waste停止食物浪费的方法
，故选A。
点评：考查阅读理解。本文涉及细节题和主旨题，细节题要注意从文中寻找答案，主旨题需要通读全文，了解大意之后找出中心思想。
三、句型转换
9.答案：
（1）How
；much
（2）How
；often
（3）It
；is
；necessary
（4）How/what
；about
（5）Does
；drink
解析：
（1）考查特殊疑问句，how
much修饰不可数名词来表示数量。
（2）考查特殊疑问句，how
often用来提问多久一次（做某事）。
（3）考查主语从句，it在这里做形式主语。It
is
necessary
for
sb
to
do对于某人来说，做某事是有必要的。
（4）考查固定搭配，how/what
about+
doing做某事怎么样？
（5）考查一般疑问句，does是一般现在时中第三人称单数主语的助动词，注意其后动词要恢复动词原形。
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