(共25张PPT)
Unit
2
How
often
do
you
exercise?
Section
A(3a-Grammer)
人教版本
八年级下册
Lead
in
重点单词：hardly,once,full,exercise
短语：how
often,on
weekends,once
a
week,be
full
of,have
lessons
be
sure
of,be
sure
to
do,be
sure
that
句子：How
often
do
you
exercise?
What
do
you
usually
do
on
weekends?
next
week
is
quite
full
for
me,Jack.
I
have
to
play
tennis
with
my
friends.
Revision
Revision
Next
week
_________________
Claire.She
has___________lessons.
She
is
learning______________.She
has
piano
lessons___________.
She
has
to
_____________with
her
friends
on
Tuesday.
Let's
recite
the
dialogue...
is
quite
full
for
dance
and
piano
swing
dance
twice
a
week
play
tennis
Presentation
1.maybe[?me?bi]
adv.大概；或许；可能
辨析:maybe与may
be
maybe常放于句首，may
be放于句中
e.g.He
may
be
in
the
office.=Maybe
he
is
in
the
office.
他或许在办公室。
-Wow...another
gift！What's
in
the
box？
-I'm
not
sure.It
______（可能）be
a
pair
of
sports
shoes.
may
Presentation
2.least[li?st]
adv.最小；最少
at
least至少，反义词为at
most,至多
e.g.At
least
he
should
say
thanks.他至少应该说声谢谢。
-Sorry，Mom.I
lost
the
singing
competition.
-Never
mind._____，you
have
learned
something
new
and
had
fun.
A.At
once
B.At
least
C.At
first
Sing
a
song
What
do
you
do
on
weekends?What
do
you
do
on
weekends?
I
always
exercise.I
always
exercise.
How
often
do
you
exercise?How
often
do
you
exercise?
I
exercise
at
least
twice
a
week.I
exercise
at
least
twice
a
week.
Wow,wow,wow,you
are
good.You
are
good.
Yes,yes,yes.Let's
do
sports.Let's
do
sports.
Reading
What
do
you
usually
do
on
weekends?
I
always
exercise.
What
do
they
do
on
weekends?
They
often
help
with
housework.
What
does
she
do
on
weekends?
She
sometimes
goes
shopping.
How
often
do
you
go
to
the
movies?
I
go
to
the
movies
maybe
once
a
month.
How
often
does
he
watch
TV?
He
hardly
ever
watches
TV.
Do
you
go
shopping?
No,
I
never
go
shopping.
Language
points
频度副词：一般用来表示动作发生的频率。一般放在be动词之后或者助动词与主要动词之间。
e.g.I
sometimes
get
up
early.我有时起得早。
The
workers
usually
have
lunch
in
the
factory.
工人们通常在厂里吃午饭。
Take
this
medicine
twice
a
day.
这种药一天吃两次。
Language
points
-How
often
do
you
usually
go
to
work
by
subway？
-________.I
always
take
a
bus，because
there
is
no
subway
in
this
city.
A.Sometimes
B.Often
C.Never
D.Seldom
频率大小依次是：always>usually>often>sometimes>hardly
ever
>never
Language
points
e.g.He
is
always
asking
for
money.
他总是要钱。
We
often
have
lunch
at
school.
我们经常在学校吃午饭。
The
soldiers
were
so
tired
that
they
could_____keep
their
eyes
open
after
a
long
journey.
A.
quickly
B.
hardly
C.
easily
Language
points
once，twice，three
times...次数构成频率的表达方式。
（1）次数+a+时间（年/月/日/分钟....
e.g.once
a
year每年一次
twice
a
month每月两次
（2）次数+
every
+基数词+时间（年1月1日/分钟....）
e.g.once
every
four
years每四年一次
seven
times
every
two
minutes每两分钟七次
拓展：every
two
days=every
other
day每两天
Language
points
对频率提问时，一般用how
often（多久一次）
e.g.--How
often
do
you
exercise？你多久锻炼一次？
-Once
a
month.每月一次。
辨析：how
often与how
many
times
how
often回答说一个月几次，而how
many
times只需回答次数
e.g.--How
many
times
have
you
been
to
Beijing？你去过北京几次？-Only
twice.仅两次。
Language
points
-How
often
do
you
go
to
Bejing？
你多久去一次北京？
-Twice
a
month.每个月两次。
-_____times
have
you
visited
Gansu
Science
Museum？
-Only
once.
A.How
often
B.How
many
C.
How
long
D.
How
soon
Reading
3a
Complete
the
questions
with
do
or
does.
Then
match
the
questions
and
answers.
1.
How
often____
he
play
soccer?
a.
Yes.
She
usually
does.
2._____you
drink
milk?
b.
Hardly
ever.
I
don't
like
them.
3.
How
often____they
stay
up
late?
c.
He
plays
at
least
twice
a
week.
4.__Sue
eat
a
healthy
breakfast?d.
No,
they
don't.
They'
re
too
busy.
5.
How
often_______you
eat
apples?
e.
Never.
They
always
go
to
bed
early.
6.________your
parents
play
sports?
f
.Yes,
I
do.
Every
day.
does
Do
do
Does
do
Do
1.c
2.f
3.e
4.a
5.b
6.d
Language
points
How
often
do
they
stay
up
late？
stay
up熬夜
e.g.He
stayed
up
late
last
night.他昨天晚上熬夜到很晚。
My
brother______to
see
The
Wandering
Earth（《流浪地球》）last
weekend.
A.picked
up
B.stayed
up
C.set
up
D.tookup
Language
points
Does
Sue
eat
a
healthy
breakfast?
breakfast是不可数名词，但如果该名词前有修饰语，需要加冠词a,
如have
a
great
supper吃了一顿丰盛的晚饭
Reading
3b
Use
the
words
given
to
write
questions.
Then
ask
and
answer
them
with
a
partner.
How
often
do
you
help
with
housework?
Hardly
ever.
What
do
you
usually
do
on
weekends?I
usually
go
to
the
movies
on
weekends.
How
often
does
your
best
friend
exercise?
He
exercises
twice
a
week.
What
do
you
usually
do
after
school?
I
usually
exercise
after
school.
Reading
3c
What
can
you
do
to
improve
your
English?
Add
more
things
to
the
chart.Then
ask
your
classmates
the
questions
and
find
the
best
English
student.
A:
How
often
do
you
read
English
books?
B:
I
read
English
books
about
twice
a
week.
Let’s
do
1.We'll
have
to
say
goodbye，my
dear
friends！But
I
will______
forget
the
days
we
spent
together.
A.always
B.often
C.never
D.usually
2.Millie___
missed
the
train
this
afternoon.It
started
to
leave
right
after
she
got
on
it.
A.almost
B.already
C.really
D.seldom
Let’s
do
3.Uncle
Liang______eats
out
because
his
wife
always
makes
delicious
food
for
him.
A.seldom
B.sometimes
C.often
D.always
4.--How
often
do
you
go
shopping？
-_____ever.I
don't
like
shopping
at
all.
A.Usually
B.Never
C.Hardly
D.Always
Summary
1.Key
words:maybe
at
least
2.Key
sentences:How
often
do
they
stay
up
late?
He
plays
at
least
twice
a
week.
Homework
翻译：
1.她一周三次购物。
2.他多久踢一次球？
3.他一周至少两次打篮球。
4.他多久帮助做家务？
谢谢
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Unit
2
How
often
do
you
exercise?
一、单选题
1.Does
she
eat
junk
food
________often?
A.?much??????????????????????????????B.?less????????????????????????????????C.?very????????????????????????????????D.?many
2.I
eat
fruit
and
drink
milk
every
day
to
keep
me
________.
A.?health????????????????????????????
B.?healthily?????????????????????????C.?healthy???????????????????????????D.?unhealthy
3.My
father
watches
TV
_________.
A.?two
a
week?????????????????????B.?twice?????????????????????
C.?second
a
week????????????????D.?twice
a
week
4.There
are
50
students
in
our
class.
75%
students
like
going
hiking.
What
does
75%
mean?
_________.
A.?None
of
the
students???????????????????????????????????????
B.?All
the
students
C.?Few
of
the
students?????????????????????????????????????????
D.?Most
of
the
students
5.—
When
did
you
go
to
the
movie?
—
__________.
A.?Tomorrow?????????????????
B.?In
two
days?????????????????
C.?Three
days
ago???????????????D.?Next
weekend
6.—Does
he
often
_________?
—No,
he
often
goes
to
bed
early.
A.?go
to
the
movies????????????????B.?watch
TV???????????????????
??C.?exercise??????????????
???????D.?stay
up
late
7.—How
often
do
you
____?
—Often.
I
find
out
some
information
on
the
Internet.
A.?be
free????????????????
???B.?have
to??????????????????
?C.?use
the
Internet???????????D.?read
English
books
8.—What's
your
favorite
_________?
—Happy
Camp.
A.?food???????????????????????
?????????B.?sport??????????????????????
??????????C.?program???????????????????????????D.?subject
9.—_________
do
you
go
to
the
bookstore?
—Once
a
month.
A.?How
often???????????????????
B.?How
many
times???????????????C.?How
many???????????????????
D.?How
long
10.—Doctor,
_________
should
I
take
this
medicine?
—Twice
a
day.
A.?what
time??????????????????????
B.?how
much???????????????????????
C.?how
soon???????????????????????
D.?how
often
二、填空题
11.I
read
English
books
about________
(one)
a
week.
12.No
________
(student)
do
homework
once
or
twice
a
week.
13.Do
you
do
eye
________
(exercise)
every
day?
14.Lots
of
________
(visit)
come
to
the
city
at
this
time
of
year.
15.Few
students
________
(exercise)
three
times
a
week.
三、完形填空
16.完形填空
???
My
name
is
Liu
Na.
I'm
unhappy
because
I'm
getting
heavy.
I'm
sorry
to
say
that
I
exercise
1
?than
once
a
week.
I
know
it
is
not
a
2
way
of
living
for
a
14-year
old
girl.
But
I
really
don't
have
much
time
to
3
.
In
fact,
unlike
other
girls,
I
love
4
.
I
used
to
be
a
member
of
the
swimming
team
and
the
5
?team
at
school.
I
went
6
?on
Saturdays
and
played
basketball
after
school
on
weekdays.
7
?the
sports
teams
last
year,
because
I
had
to
spend
much
more
8
on
my
study.
Now
I
have
little
time
to
play
sports.
I
9
?watch
TV
or
play
computer
games,
either.
???
These
days,
my
mother
asks
me
to
play
sports
with
her.
She
10
?health
is
very
important.
I
hope
I
can
have
time
to
exercise
with
her
and
lose
weight(减肥).
1.
A.
less
B.
more
C.
few
D.
little
2.
A.
boring
B.
healthy
C.
wrong
D.
different
3.
A.
exercise
B.
sleep
C.
live
D.
study
4.
A.
housework
B.
food
C.
sports
D.
schoolwork
5.
A.
basketball
B.
tennis
C.
soccer
D.
volleyball
6.
A.
shopping
B.
swimming
C.
boating
D.
fishing
7.
A.
joined
B.
disliked
C.
left
D.
made
8.
A.
time
B.
money
C.
water
D.
work
9.
A.
usually
B.
often
C.
always
D.
hardly
ever
10.
A.
puts
B.
thinks
C.
asks
D.
talks
答案解析部分
一、单选题
1.答案：
C
解析：固定搭配
very
often
经常，很频繁。句意是：她经常吃垃圾食品吗？故选C。
点评：本题考查副词辨析，注意固定搭配的使用。
2.答案：
C
解析：health是名词，意为“健康”，healthily是副词，意为“健康地”，healthy是形容词，意为“健康的”，unhealthy是形容词，意为“不健康的”。keep后面常跟形容词，keep
healthy
保持健康，故选C。句意是：我每天吃水果喝牛奶来保持健康。
点评：考查词义辨析，解答此类题目，首先要准确理解每个选项单词的意思，然后根据句意做出正确选择。
3.答案：
D
解析：考查数词，句意：我爸一周看两次电视。twice是两次，a
week一周。twice
a
week一周两次。故D符合。two两个和second第二个不符句意。
4.答案：
D
解析：考查名词所有格，根据句意：我们班有50名学生。75%学生喜欢远足。这75%是什么意思？A没有学生，B所有学生，C没有几个学生，D大多数学生。由数学理论算出50名学生中的75%,应是大多数学生。故D符合。
5.答案：
C
解析：Tomorrow
明天，用于将来时，in
two
days
两天以后，用于将来时，three
days
ago
三天以前，用于一般过去时，next
weekend下周末，用于将来时。根据问句是一般过去时可知只能选C。意思是：—你什么时候去看电影的？—三天以前去（看电影）的。
点评：考查特殊疑问句，注意问句与答句时态须一致。
6.答案：
D
解析：考查动词辨析，根据句意：他经常熬夜吗？不，他经常很早就上床睡觉了。根据回答，分析D项符合。A看电影，B看电视，C锻炼，D熬夜。
7.答案：
C
解析：考查动词短语，根据句意：你多久上一次网？回答：经常。我上网搜索一些信息。A有时间，B不得不，C上网，D读英语书。故C符合。
8.答案：
C
解析：考查名词辨析，根据句意：你最喜爱的电视节目是什么？快乐大本营。由关键词happy
camp（快乐大本营）看出是电视节目，故C项符合。A食物，B体育，C.节目，D科目。
9.答案：
A
解析：考查特殊疑问句，根据句意：你多久去一次书店？一月一次。A多久一次，B多少回，C多少数量，D多长时间。故A项符合。
10.答案：
D
解析：考查特殊疑问句，根据句意：医生，我应该多久吃一次这药？一天两次。A什么时候；B多少；多少钱；C多久；D多久一次。故D项符合。
二、填空题
11.答案：once
解析：once
a
week
为固定短语，意为“一周一次”，句意是：我差不多一周读一次英语书。
点评：本题考查补充句子，根据句意用所给单词的适当形式填空。
12.答案：students
解析：句子的谓语动词do是原形，可知主语为复数形式，故填
students。句意是：没有学生一周做一次或者两次家庭作业。
点评：本题考查补充句子，根据句意用所给单词的适当形式填空。
13.答案：exercises
解析：do
eye
exercises
是固定短语，必须用名词复数形式，意为“做眼操”。句意是：你每天做眼操吗？
点评：本题考查补充句子，根据句意用所给单词的适当形式填空。
14.答案：visitors
解析：句意是：许多参观者在一年的这个时候来这座城市。根据句意用一般现在时，lots
of后面可以跟可数名词的复数形式，故填
visit的名词形式
visitors。
点评：本题考查补充句子，根据句意用所给单词的适当形式填空。
15.答案：exercise
解析：句意是：很少有学生一周锻炼三次。根据句意用一般现在时，主语
few
students是复数形式，故动词用原形
exercise。
点评：本题考查补充句子，根据句意用所给单词的适当形式填空。
三、完形填空
16.答案：
（1）A；（2）B；（3）A；（4）C；（5）A；（6）B；（7）C；（8）A；（9）D；（10）B；
解析：本文介绍了作者曾经是个运动爱好者，但是因为没有时间锻炼而变胖。
（1）句意：
很抱歉，我每周锻炼不到一次。根据than可知是比较级，less，更少的，more，更多的，根据
?I'm
sorry
to
say
可知此处强调少，故选A。
（2）句意：
我知道这不是一个14岁女孩的健康的生活方式。A无聊的，B健康的，C错误的，D不同的，根据
I'm
getting
heavy
可知太胖与健康有关，故选B。
（3）句意：
但是我真的没有太多时间去锻炼。A锻炼，B睡觉，C居住，D学习，根据我每周锻炼不到一次可知此处是锻炼，故选A。
（4）句意：
事实上，不像其他女孩，我喜欢运动。A家务，B食物，C运动，D功课，根据
I
used
to
be
a
member
of
the
swimming
team
我曾经是游泳队的成员可知，是喜欢运动的，故选C。
（5）句意：
我曾经是学校游泳队和篮球队的成员。A篮球，B网球，C足球，D排球，根据平日放学后打篮球可知是篮球
，故选A。
（6）句意：
我星期六去游泳，平日放学后打篮球。A购物，B游泳，C划船，D钓鱼，根据used
to
be
a
member
of
the
swimming
team
我曾经是游泳队的成员可知是游泳，故选B。
（7）句意：
去年我离开了运动队。A加入，B不喜欢，C离开，D制作，根据
I
have
little
time
to
play
sports
，我几乎没有时间做运动可知是离开了运动队，故选C。
（8）句意：
因为我不得不在学习上花更多的时间。
A时间，B金钱，C水，D工作，根据
I
have
little
time
to
play
sports，我几乎没有时间做运动可知离开的原因是时间的问题，故选A。
（9）句意：
我也从不看电视或玩电脑游戏。A通常，B经常，C总是，D几乎不，根据
either，可知用于否定句句尾，故是几乎不，故选D。
（10）句意：
她认为健康很重要。A放，B认为，C问，D谈话，根据
my
mother
asks
me
to
play
sports
with
her，我妈妈让我和她一起运动，可知她认为健康重要，故选B。
点评：考查词汇在篇章中的运用能力，答题时首先要跳过空格通读文章掌握其大意，然后细读文章字斟句酌逐一作答，注意考虑句型、语法、搭配、语境等因素。最后通读一遍检查验证。
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