2020-2021学年人教版英语七年级下册 Unit4 Unit 4 Don't eat in class. SectionA 1a-2d 课件(共51张PPT)

(共51张PPT)
Unit
4
Don’t
eat
in
class.
Section
A
Period
1
(1a-2d)
Do
you
know
the
meanings
of
the
following
signs?
No
talking!
No
visitors!
No?fire!
No
mobile
phones!
Don’t
sit
on
the
handrail.
No
eating.
No
drinking.
Emergency
Exit
Wet
Floor
Nothing
can
be
accomplished
without
norms
or
standards.
无规矩不成方圆。
We
always
say:
Do
you
know
the
places
that
have
rules?
And
what
rules
do
you
know?
school
rules
class
rules
family
rules
library
rules
dining
rules
校规
班规
图书馆规则
就餐规则
家规
keep
rules
break
rules
遵守规则
违反规则
Living
in
the
society,
we
have
to
we
can’t
What
can
we
do
at
school?
What
can’t
we
do
at
school?
Discussion
be
late
for
class
=
arrive
late
for
class
A:
Can
we
be
late
for
class?
B:
No,
we
can’t.
We
can’t
be
late
for
class.
Don’t
be
late
for
class.
Don’t
eat
in
the
classrooms.
A:
Can
we
eat
in
the
classrooms？
B:
No,
we
can’t.
We
can’t
eat
in
the
classrooms.
We
can
eat
in
the
dining
hall.
A:
Can
we
eat
in
the
dining
hall?
B:
Yes,
we
can
eat
in
the
dining
hall.
.
A:
Can
we
run
in
the
hallways?
B:
No,
we
can’t.
We
can’t
run
in
the
hallways.
Don’t
run
in
the
hallways.
A:
Can
you
fight?
B:
No,
We
can’t.
We
can’t
fight.
Don’t
fight.
A:
Can
we
play
it
in
the
classrooms?
B:
No,
we
can’t.
But
we
can
play
it
outside.
Don’t
play
sports
in
the
classrooms.
Play
sports
outside.
1a
Which
rules
are
these
students
breaking?
Write
the
number
of
the
rule
next
to
the
student.
SCHOOL
RULES
1.
Don’t
arrive
late
for
class.
You
must
be
on
time.
2.
Don’t
run
in
the
hallways.
3.
Don’t
eat
in
the
classroom.
You
must
eat
in
the
dining
hall.
4.
Don’t
listen
to
music
in
class.
5.
Don’t
fight.
1b
Listen.
What
rules
are
these
students
breaking?
Write
the
numbers
after
the
names.
Peter
___
Amy
____
Mike
____
4
2
3
1c
Student
A
is
a
new
student.
Student
B
tells
Student
A
about
the
rules
above.
A:
What
are
the
rules?
B:
Well,
we
can’t
arrive
late
for
class.
We
must
be
on
time.
Activity
1.___
listen
to
music
in
the
classroom
or
hallways
can
can’t
2.___
listen
to
music
in
the
music
room
can
can’t
3.___
listen
to
music
outside
can
can’t
4.___
eat
in
the
classroom
can
can’t
2a
Listen.
Check
(√)
the
activities
Alan
and
Cindy
talk
about.
5.___
eat
in
the
dining
hall
can
can’t
6.___
eat
outside
can
can’t
7.___
wear
a
hat
can
can’t
8.___
fight
can
can’t
Activity
1.___
listen
to
music
in
the
classroom
or
hallways
can
can’t
2.___
listen
to
music
in
the
music
room
can
can’t
3.___
listen
to
music
outside
can
can’t
4.___
eat
in
the
classroom
can
can’t
2b
Listen
again.
Can
Alan
and
Cindy
do
these
activities?
Circle
can
or
can’t
above.
5.___
eat
in
the
dining
hall
can
can’t
6.___
eat
outside
can
can’t
7.___
wear
a
hat
can
can’t
8.___
fight
can
can’t
2c
Student
A
is
Alan
and
Student
B
is
Cindy.
Talk
about
the
rules
in
2a.
2d
Role-play
the
conversation.
Language
points
1.
Don’t
arrive
late
for
class.
不要上课迟到。
arrive
vi.
到达
When
did
he
arrive
yesterday?
昨天他什么时候到达的？
arrive
in
/
at与get
to
的区别
①
My
father
arrived
in
/
got
to
Beijing
this
morning.
我爸爸今天上午到达了北京。
②
The
farmer
arrived
at
/
got
to
an
old
house
and
knocked
at
the
door.
那个农民到达了一个旧房子前并且敲了敲门。
小结：
arrive
+
in
（大地方）
at
（小地方）
get
必须与to
搭配才能加宾语。后面如接地点副词，则不用介词to。
–
When
did
your
uncle
______
in
Shanghai?
–
The
day
before
yesterday.
A.
arrive
B.
get
If
you
_____
too
late,
the
host
will
be
unhappy.
A.
arrive
B.
get
to
C.
arrive
at
___________
(not
arrive)
late
for
class.
A
A
Don’t
arrive
2.
You
must
be
on
time.
你们必须守时。
1)
must
作为情态动词，表示“必须”、“务必”，有时还表示“一定”，起到加强语气的作用。例如：
You
must
come
tomorrow.
你（们）明天必须要来。
在回答must引起的问句时，如果是否定的答复，可用don’t
have
to或needn’t
(不必)
,
但不能用mustn’t
(一定不,
必须不,
不允许,
不得)
。
---
______
ask
you
some
questions?
---
Sure.
A.
Do
you
B.
Will
you
C.
Can
I
D.
Must
I
－Dad,
may
I
watch
TV?
－No,
you
can’t.
You
_______
finish
your
homework
first.
　　A.
must
B.
can
C.
may
C
A
2)
on
time
是一个固定介词短语，表示“按时；准时”。
例如：
We
must
get
to
school
on
time.
我们必须按时到校。
我们要按时完成任务。
We'll
finish
our
job
_________.
on
time
3)
系动词be与形容词或介词短语联用，是英语一种常见的语句结构，表示某种状态。例如：
be
quiet
保持安静；be
strict
要求严格
be
on
time
守时；按时到；
be
at
work
在上班
例如：
You
mustn’t
be
noisy,
children.
孩子们，你们一定不可喧闹。
3.
Don’t
listen
to
music
in
class.
别在课上听音乐。
listen
to
…
听……
She
is
listening
to
the
radio.
她在听收音机。
listen
at
the
door
耳朵贴着门听
listen
for
…
留神等着听…
listen
for
an
answer
等着听回答
listen
to
a
lecture
听讲座
listen
to
advice
听从劝告
4.
wear
a
hat
戴帽子
wear
v.
穿；戴
The
girl
often
wears
a
red
coat
and
a
white
hat.
这个女孩经常穿着红色的上衣戴着白色的帽子。
wear强调“穿着”这一状态，也可表示“戴着”。如：
She
likes
wearing
colorful
clothes.
她喜欢穿着颜色鲜艳的衣服。
dress既可表示动作，又可表示状态，常由人作宾语，意为“给……穿衣服”。如：Could
you
dress
the
child
for
me?　你能不能替我给小孩穿上衣服?
wear,
dress
与
put
on的区别
当表示自己穿衣服时，一般用“get
dressed
(=
dress
oneself)”.
如：
He
cannot
get
dressed(
=
himself).他不会自己穿衣服。
当dress表示状态时，一般要用“be
dressed
in”的形式。如：
She
is
dressed
in
a
red
coat.
她穿着一件红色的上衣。
put
on着重于“穿”这一动作，即由没穿到穿这一过程的完成，意为“穿上”。如：
Please
put
on
your
new
coat.
请穿上你的新大衣。
用
wear,
put
on,
dress
的适当形式填空。
She
is
_________
a
red
flower
in
her
hair.
2.
He
________
his
coat
and
goes
out.
3.
He
is
_________
black.
wearing
puts
on
dressed
in
5.
Can
we
bring
music
players
to
school?
我们能把音乐播放机带到学校来吗？
bring
v.
带来；取来
Can
you
bring
me
an
English
dictionary?
你能给我带来一本英语字典吗？
bring
与
take
的区别
Bring
your
homework
here,
and
take
the
book
away.
把你的作业拿过来，把这本书带走。
bring
指往里带，而take
则指往外带。
---Why
do
Chinese
people
like
red?
---Because
they
think
it
can
____
them
good
luck.
A.
carry
B.
bring
C.
make
D.
take
B
祈使句
1.祈使句是表示命令、叮嘱、号召等的句子;
2.通常省略主语you;
3.句中谓语动词用动词原形;
4.祈使句有肯定和否定两种：
Don’t
eat
in
class.
Come
in,
please!
请进！
Sit
down,
please.
请坐。
　
Don’t
play
sports
in
the
classroom.
Don’t
fight
.
否定
肯定
肯定祈使句
否定祈使句
Sit
down.
Come
in.
Eat
at
home.
Listen
to
music
outside.
5.
Do
your
homework
at
school.
Don’t
sit
down.
Don’t
come
in
.
Don’t
eat
at
home.
Don’t
listen
to
music
outside.
Don’t
do
your
homework
at
school.
Examples
Let’s
make
a
conclusion!
What
are
the
school
rules?
School
rules
1.
Don’t
arrive
late
for
class.
2.
Don’t
run
in
the
hallways.
3.
Don’t
eat
in
the
classrooms.
4.
Don’t
listen
to
music
in
the
classrooms
or
the
hallways.
5.
Don’t
fight.
What
other
rules
do
you
know
in
our
school?
What
else
do
you
have
to
do?
Let’s
make
our
class’s
rules!