Unit 6 When was it invented?导学案（6课时）

Unit6
When
was
it
invented
Period
1
Section
A
1a-2d
编写人：
审核人：
编写时间：2017-08-09
班
级：
组
名：
姓
名：
【学习目标】
1.
学习并掌握下列单词：
heel,
scoop,
electri
( http: / / www.21cnjy.com"
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"欢迎登陆21世纪教育网 )city,
style,
project,
pleasure,
zipper,
daily,
have
a
point,
website,
pioneer,
list,
mention
2.
能正确使用以下常用表达：
be
invented,
be
us
( http: / / www.21cnjy.com"
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"欢迎登陆21世纪教育网 )ed
for,
have
a
point,
with
pleasure,shoes
with
special
heels
,
such
a
great
invention,
in
our
daily
lives,
at
that
time
3.
能熟练掌握并使用下列重点句式：
1）—When
was
the
telep
( http: / / www.21cnjy.com"
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"欢迎登陆21世纪教育网 )hone
invented
—I
think
it
was
invented
in
1876.
2）—What
are
they
used
for
—
They’re
used
for
doing….
【学习重点】
Talk
about
old
inventions
and
learn
to
use
passive
voice.
【学习难点】
正确使用本课常用表达；被动语态的用法。
【学习过程】
一、目标呈现
Task
1.
Teach
( http: / / www.21cnjy.com"
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"欢迎登陆21世纪教育网 )er:
There
are
many
useful
things
in
the
world.
They
help
us
a
lot
in
life.
(Show
some
pictures
on
the
screen)
When
were
they
invented
Students:
_____________________.
①
The
telephone
was
( http: / / www.21cnjy.com"
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"欢迎登陆21世纪教育网 )
invented
in
1876.
②
The
computer
was
invented
in
...
……
Task
2.
通过认真预习活动1a-2d,关上书准确翻译下列短语。
1.shoes
with
spec
( http: / / www.21cnjy.com"
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"欢迎登陆21世纪教育网 )ial
heels_____________
2.shoes
with
lights_____________
3.
be
used
for____________
4.
my
pleaure________________
5.in
one’s
daily
life__________________
6.
have
a
point_____________
二、自主合作
Step
1、根据1a图片写出与之对应的单词，猜测信息，标出发明顺序完成1a；
Step
2、播放1b录音，回答：What
are
they
talking
about
Step
3、听2a.2b前，回答
( http: / / www.21cnjy.com"
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"欢迎登陆21世纪教育网 ):
1)What
can
you
see
on
the
table
2)What
is
the
boy
doing
3)What
is
the
girl
doing
4)What
is
the
scoop
used
for
5)What
are
the
shoes
used
for

并独立完成2a.2b
Step
4、阅读对话，回答：
1)
Who
invented
the
zipper
2)When
was
the
zipper
invented
3)When
was
it
first
used
widely
Step
5、分角色朗读2d
三、展示质疑
学生质疑，师生共同解惑,
教师对重点单词和短语作适当的解释。
1.invent
vt.发
( http: / / www.21cnjy.com"
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"欢迎登陆21世纪教育网 )明
was
invented译为_____
invention
n._____
inventor
n._____.
2.1）My
pleasure./It’s
my
pleasure./With
pleasure.这是我的荣幸。
eg.-Could
yo
( http: / / www.21cnjy.com"
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"欢迎登陆21世纪教育网 )u
help
me
carry
the
books
to
the
classroom 你能帮我把这些书搬到教室里去吗？-_________________________很乐意为你效劳。
2）It’s
a
pleasure.不客气，不用谢。
eg.
-Thank
you
very
much.-_______
不用谢。
3.with的用法：1）有，带有，具有
shoes
with
special
heels有特殊跟的鞋子
a
book
_____
a
blue
cover一本蓝色封面的书
2）和…..一起
eg.I
like
to
talk
freely
__________
my
friends.
3）用（某种工具、手段）eg.Cut
it
with
a
knife.用刀把它切开。
4）Are
you
pleased
__________the
result 你对这个结果满意吗？
4.被动语态的构成：助动词（有人称、数和时态的变化）______+
____动词的过去分词。
四、巩固构建：
I.用所给单词现的适当形式填空：
1.When
___________(
be)
the
bridge
built
2.
The
book
Zhaohuaxishi
__________(write)
by
Luxun.
3.Computers
______________________(invent)
1964
in
America.
4.Our
classroom
_________________(not
clean)
yesterday.
(the
following
is
for
2a-2d)
6.Computers
____________(
use)
____________(wide).
7.Jim
__________(seem)
very
happy
today.(此句seem用作系动词，相当于is)
8.The
man
seemed
__
( http: / / www.21cnjy.com"
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"欢迎登陆21世纪教育网 )___________(have)
some
trouble.
He
walked
up
and
down
in
his
office.
9.
Where
are
the
zip
________(use)
II.根据汉语意思完成句子，每空一词。
1．我认为计算器比电脑发明得晚些。
I
think
the
calculator
________
_________
after
the
computer.
2．你似乎的确有道理。
You
do
seem
to
______
_______
___________
.
3．这个箱子被当作桌子用。
The
box
_______
_______
_________a
table.
4．汽车是什么时候被发明的？
________
______
the
car
__________
5．这个杯子是用来喝热水的。
This
cup
_____
_______
_______
____________
hot
water
Unit6
When
was
it
invented
Period
2
Section
A
2a-
2e
编写人：
审核人：
编写时间：2017-08-09
班
级：________
组
名：____________
姓
名：_________
【学习目标】
1、
学习掌握下列词汇：by
acci
( http: / / www.21cnjy.com"
\o
"欢迎登陆21世纪教育网 )dent,
ruler,
boil,
remain,
smell,
saint,
national,
takeplace,
doubt,
without
doubt

2、阅读短文，能按要求找到相应的信息。
3、通过阅读提高学生们的阅读能力。
4、了解茶叶被发明的历史及生产制作的简要过程。
【学习重点】
1、掌握本部分出现的生词和词组，达到熟练运用的目标。
2、阅读短文，获得相关的信息。通过阅读练习，来提高阅读能力。
【学习难点】
1、阅读短文，获得相关的信息的能力。
2、理解并运用所学的词汇及表达方式。
【学习过程】
一、目标呈现
Task
1.Do
you
k
( http: / / www.21cnjy.com"
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"欢迎登陆21世纪教育网 )now
who
invented
tea
Today
let’s
get
into
the
world
of
tea
and
learn
about
the
history
of
tea.
Questions:
1.Do
you
drink
tea
every
day
_____________________________________
2.Who
invented
tea
in
history _______________________________
3.Do
people
in
other
( http: / / www.21cnjy.com"
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"欢迎登陆21世纪教育网 )
countries
drink
tea
in
their
daily
life？_________________
Task
2.预习第43-44页的3a-4c划出重点词组及句子并记住：
1.偶然，意外地
2.
一位叫神农的中国统治者
3.
在火堆上
4.
落入水中
5.
泡茶
6.
发生
7.
毫无疑问
8.
茶圣
9.
据说
10.即使
11.
单独外出
12.以一个很低的价格
13.
翻译成
14.突然、猛然
15.
从事
二、自主合作
Task
1.选择正确的段落大意比并连线。
Paragraph
1
Lu
Yu
and
his
book
Cha
Jing.
Paragraph
2
How
tea
spread
to
other
countries
Paragraph
3
How
tea
was
invented
by
accident
Task
2.阅读第二遍，回答下列问题。
1、When
was
tea
first
drunk
How
was
tea
invented
Who
is
called
“the
saint
of
tea”
What
is
Cha
Jing
about

When
was
tea
brought
to
other
countries

Task
3.完成课本43页3c的任务。
Task
4.在文章中用红笔划出自主学习中列出的短语。
三、展示质疑
学生质疑，师生共同解惑,
教师对重点单词和短语作适当的解释。
1.remain
(v.)
保持；剩余；残余
remain意为“停留，留下”，相当于stay。
eg.
She
remains
in
the
house
all
these
days.
她这些天一直呆在那栋房子里。
2.
by
accident偶然地；意外地
eg.
He
made
this
mistake
by
accident.他犯这个错误纯属偶然
3.not..
until
意为
“只到…才…
eg.
he
didn’t
leave
until
I
felt
better.只到我感觉好点了，她才离开。
【拓展】until的用法
until常用作介词或连词，用来引导介词短语或从句在句子中作时间状语。
1.
在肯定句中，until与延续性、持续性动词连用，表示“直到……为止”。
eg.
I
worked
until
late
in
the
afternoon.
我一直干到下午很晚的时候。
2.
在否定句中，until常与瞬间动词、短暂性动词连用，表示“直到……才……”。
eg.
The
rain
didn’t
stop
until
midnight.
雨直到半夜才停。
四、巩固构建：
用单词drink,
nation,
with,
taste,
believe的正确形式填空。
(1).It’s
that
tea
was
discovered
by
ShenLong.
(2).When
was
tea
first
(3).
your
help,
I
won’t
succeed.
(4).
Tea
has
become
the
drink
.People
all
over
China
drink
it.
(5).
The
cake
very
delicious.
2.
根据汉语提示完成下列句子。
(1)
中国与西方国家的茶业贸易发生于19世纪。
The
tea
trade
( http: / / www.21cnjy.com"
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"欢迎登陆21世纪教育网 )
from
China
to
countries
in
the
century.
(2)
毫无疑问，中国人最喜欢喝茶。
，Chinese
like
drinking
tea
best.
(3)
一些叶子掉进正在煮沸的饮用水中。
Some
leaves
into
the
boiling
water.
(4)
巧克力是偶然发明的。
Chocolate
was
invented
.
(5)
在6世纪和7世纪期间，茶被带到日本。
Tea
to
Japan
during
the
6th
and
7th
.
Unit6
When
was
it
invented
Period
3
Section
A
Grammar
Focus
–
3c
编写人：
审核人：
编写时间：2017-08-09
班
级：________
组
名：____________
姓
名：_________
【学习目标】
1、学习掌握下列词汇：fridge,
( http: / / www.21cnjy.com"
\o
"欢迎登陆21世纪教育网 )low,
somebody,
translate,
lock,
earthquake,
sudden,
all
of
a
sudden,
biscuit,
cookie,
instrument
2、进行一步复习巩固学习Section
A
部分所学的生词和词组。
3、进一步学习运用一般过去时态的被动语态。
4、掌握主动语态变被动语态的方法，并通过不同方式的练习，来熟练运用。
【学习重点】
1、学习生词fridge,
l
( http: / / www.21cnjy.com"
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"欢迎登陆21世纪教育网 )ow,
somebody,
translate,
lock,
earthquake,
sudden,
all
of
a
sudden,
biscuit,
cookie,
instrument
2、复习巩固Section
A
部分所学的生词和词组，达到熟练运用的目标。
【学习难点】
1、一般过去时态的句子变为被动语态。
2、综合运用所学的知识进行练习运用。
【学习过程】
一、目标呈现
Grammar
Focus回顾语法重点.要求学生分角色问答并翻译表格中的句子。出说被动语态的各种句式的变化形式。并能造出相仿的句子。
SA:
When
was
the
car
invented

SB:
It
was
invented
in
1885.
SA:
When
were
elect
( http: / / www.21cnjy.com"
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"欢迎登陆21世纪教育网 )ric
slippers
invented
SB:
They
were
invented
last
year.
SA
:
Who
were
they
in
( http: / / www.21cnjy.com"
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"欢迎登陆21世纪教育网 )vented
by
SB:
They
were
invented
by
Julie
Thompson.
SA:
What
were
( http: / / www.21cnjy.com"
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"欢迎登陆21世纪教育网 )they
used
for
SB:
They
were
used
for
seeing
in
the
dark.
简要归纳被动语态的结构及用法。
二、自主合作
Task
1、完成教材4a-4c的任务
课本P44，参照4a所提供的信息和例句，用被动语态改写句子.
2.
_________________________________________________________.
3.
_________________________________________________________
4.
__________________________________________________________.
5.___________________________________________________________.
Task
2、用所给单词的正确形式完成4b句子。
1.
______________
2.
______________
3.
_________,_______
4.
___________
5.
__________
Task
3、先浏览4c的短文，确定空格处的动词是用主动形式还是被动形式，然后用动词的正确形式填空完成短文。
1.
____________2.
__________3.
___________4.
___________5.___________
6.
____________
7.___________
三、展示质疑
学生质疑，师生共同解惑,
教师对重点单词和短语作适当的解释。
Whitcomb
Judson
invented
the
zipper
in
1893.(主动语态)
（主语）
（谓语）
（宾语）
The
zipper
was
invented
by
Whitcomb
Judson
in
1893.(被动语态)
（主语）（谓语）
（宾语）
主动语态的主语变成了被动语态的____
( http: / / www.21cnjy.com"
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"欢迎登陆21世纪教育网 )_
结构，主动语态的宾语变成了被动语态的_____
成分。主动语态的谓语的一般过去时态变成了被动语态的
结构。
不知道或没有必要说明动作的
是谁时，或只需要强调动作的
时，要用被动语态。eg.
Such
books
are
for
children.这些书是为儿童写的。The
zipper
is
often
used
in
our
daily
lives.
I
think
the
TV
was
invented
after
the
car.
tell
sb
to
do
sth.告诉某人做某事
告诉某人不做某事______________________
被动形式_____________________
被告知不要做某事______________________
eg.I_______
by
my
pare
( http: / / www.21cnjy.com"
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"欢迎登陆21世纪教育网 )nts______
_______
talk
loudly
in
public.我父母告诉我不要在公共场合大声谈论。
四、巩固构建：
I.用所给词的正确形式填空。
(1)
Battery-operated
slippers
(invent)
by
Julie
Thompson.
(2)
The
project
(finish)
last
month
.
(3)
The
young
man
was
seen
(get)
on
a
bus
just
now
.
(4)
The
classroom
(clean)
everyday
.
(5)
Was
the
book
(return)
to
her
last
Friday.
II.按要求完成句子。
(1)
You
brought
your
English
book
to
school
yesterday.
(改为被动语态)
Your
English
book
to
school
yesterday
(2)
Your
bag
was
put
here.
(改为否定句)
Your
bag
here.
(3)
Peter
was
allowed
to
take
the
test.
(改为一般疑问句)
Peter
to
take
the
test

(4)
Children
were
allowed
to
do
whatever
they
liked.
(改为否定句)
Children
to
do
whatever
they
liked.
(5)
Who
did
you
ask
to
volunteer
at
your
local
school (改为被动语态)
Who
to
volunteer
at
your
local
school
Unit6
When
was
it
invented
Period
4
Section
B
1a-
1e
编写人：
审核人：
编写时间：2017-08-09
班
级：________
组
名：____________
姓
名：_________
【学习目标】
1、学习本课生词、短语及常见重点句式。
2、依据所给信息完成听力内容并做相关对话练习
3、训练在听的过程中捕捉相关信息的技巧。
【学习重点】
运用已有信息完成听力内容
【学习难点】
依据所听内容填词
【学习过程】
一、目标呈现
Pre-class
根据汉语提示写出下面单词、短语。
1）酥脆的
2）咸的
3）酸的
4）客户，顾客
5）错误地
6）足够薄的
7）使顾客高兴
8）想要做某事
9）被由谁发明
10）咸的
11）很长一段时间
12）许多
13）甜的
二、自主合作
Task
1.
Looking
and
writing.
Ss
look
at
the
( http: / / www.21cnjy.com"
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"欢迎登陆21世纪教育网 )pictures
and
write
the
correct
words
under
them
to
complete
1a,
and
then
write
the
name
of
a
different
food
after
each
word
to
complete
1b.
Task
2.Listening
(1c—1d)
Listen
to
a
convers
( http: / / www.21cnjy.com"
\o
"欢迎登陆21世纪教育网 )ation
between
Laura
and
Zheng
Yun
at
least
two
times:
1）Listen
and
circle
T
for
true
or
F
for
false
to
complete
1c
.
2)
Listen
again.
Complete
the
sentences
in
1d.
Task
3.
Speaking(1e)
Pair-work
:
Role-pl
( http: / / www.21cnjy.com"
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"欢迎登陆21世纪教育网 )ay
a
conversation
using
the
information
in
1c---1d
Task
4.Practice
选词填空：
1：Mum
put
lots
of
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salt
on
the
fish
.
It
was
really
(salt,
salty).
2：It
is
said
that
potato
chips
were
invented
(in,
by).
3：He
wanted
( http: / / www.21cnjy.com )
(drank,
to
drink)
that
cup
of
tea.
4：The
customer
tho
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"欢迎登陆21世纪教育网 )ught
the
(
potatoes,potatos)
were
not
(salty
enough,enough
salty).
5：The
trip
to
my
hometown
made
me
(happily,happy).
Task
5.Sum
up
三、展示质疑
学生质疑，师生共同解惑,
教师对重点单词和短语作适当的解释。
1.
by
mistake
错误地,指由于错误的判断而千百万的失误，常在句中作状语。
eg.
I
took
your
bag
instead
of
mine
by
mistake.
【拓展】mistake...for
把…错认为,
错把…当作
eg.
She
mistook
him
for
the
professor.
她把他错当作教授了.
四、巩固构建：
I.根据汉语意思完成句子
1.顾客最后终于高兴了。
The
customer
was
happy
.
2.这个顾客说这个薯条不够脆。
The
customer
said
that
the
potato
chips
weren’t
.
3.乔治想让顾客高兴。
George
wanted
the
customer
.
4.薯条是一个名Crum的厨师发明的
The
potato
chips
a
chef
Crum.
5.昨天这个厨师往鱼上面撒了许多盐。
The
lots
of
salt
the
fish
yesterday.
6.这道汤不够咸。
This
dish
of
soup
is
not
_______
_________.
II.选择题
（
）1.
It
was
invented
Edison
A.by
B.in
C.for
D.to
（
）2.
This
watch
China.
A.was
made
in
B.was
made
by
C.was
made
from
D.was
made
of
（
）3.
--
was
the
car
invented
--It
was
invented
in
1983.
A.When
B.Why
C.How
D.Who
（
）4.
it
rained
yesterday,
I
still
went
on
a
trip.
A.
Although
B.But
C.Because
D.And
（
）5.
Basketball
by
people
all
over
the
world.
A.is
enjoyed
B.is
like
C.love
D.enjoyed
（
）6.
Pens
are
used
for
on
paper.
A.write
B.writing
C.to
write
D.wrote
Unit6
When
was
it
invented
Period
5
Section
B
2a
-
2c
编写人：
审核人：
编写时间：2017-08-09
班
级：________
组
名：____________
姓
名：_________
【学习目标】
1.
学习并掌握下列单词：
the
Olympics;
( http: / / www.21cnjy.com"
\o
"欢迎登陆21世纪教育网 )Canadian;
divide;
divide
…
into;
basket;
popularity;
not
only…but
also;
look
up
to;
hero;
professional;
2.阅读训练：利用思维导图加深文章的理解和对知识的记忆的学习策略。
【学习重点】
阅读短文，培养学生阅读方法和技巧，让学生能在实际生活中运用所学的知识。
【学习难点】
阅读方法与技巧的训练。
【学习过程】
一、目标呈现
Do
you
like
b
( http: / / www.21cnjy.com"
\o
"欢迎登陆21世纪教育网 )asketball
Do
you
watch
basketball
games
How
much
do
you
know
about
the
sport
In
this
lesson
we
are
going
to
talk
about
it.
预习第46-47页的2a-3b划出重点词组及句子并记住：
1.一个深受喜爱并且积极的运动
2.把…分开
3.配合，合作
4.同时
5.
阻止某人做某事
6.
梦想做某事
7.
钦佩，仰慕
8.
职业篮球机构
9.成为奥运会项目
10.把球投进对方篮框
11.不仅……而且……
12.鼓励某人做某事
13.实现他们的梦想
二、自主合作
Task
1.快速阅读课文，找出每段的中心意识。
Task
2.慢读课文，用短文的信息完成思维导图。你还能在思维导图上加些什么吗？
Game
played
inside
on
a
hard
______
/
______
teams
get
_______
into
other
team’s
______
Development
invented
by
_______
/
first
game
on
________
became
Olympic
event
in
_______
in
the
year
________
most
famous
games
:
_____
/
popular
games
in
China
:
___
Popularity
played
by
_______
people
/
over
_______
countries
Task
3.再读课文，用思维导图总结的信息回答下列问题。
1）Who
invented
basketball
and
how
is
it
played

2)
When
was
the
first
basketball
game
in
history
played
3)
Why
were
the
Berlin
Olympics
important
for
basketball
4)
What
are
the
professional
basketball
groups
in
America
and
China
5)
How
popular
is
basketball
三、展示质疑
学生质疑，师生共同解惑,
教师对重点单词和短语作适当的解释。
1.
divide
(v.)
分开；划分
be
divided
into
意为“被划分为”。
eg.
Let's
divide
ourselves
into
several
groups.
我们分成几个小组吧。
2.
It
is
believed
that
( http: / / www.21cnjy.com"
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"欢迎登陆21世纪教育网 )…相当于people
believe
that...是“人们相信/认为“的意思，that引导的是主语从句。
eg.
It
is
beli
( http: / / www.21cnjy.com"
\o
"欢迎登陆21世纪教育网 )eved
that
by
the
year
2010,
the
population
of
the
world
will
be
seven
billion.
=People
believe
( http: / / www.21cnjy.com"
\o
"欢迎登陆21世纪教育网 )that
by
the
year
2010,
the
population
of
the
world
will
be
seven
billion.
类似的结构：
It
is
reported
that…
据报道……
It
is
supposed/thought
that…
人们认为……
It’s
known
that…众所周知……
四、巩固构建：
I.用所给词的正确形式填空。
（1）The
temperature
has
(rise)
these
days
.
(2)
He
dreams
of
(get)
the
ball
into
their
basket.
(3)
France
has
a
number
of
interest
(include)
Eiffel
Tower
.
(4)
He
is
a
(Canada)
leader
.
(5)
Yang
Liwei
is
on
( http: / / www.21cnjy.com )e
of
the
national
(hero)
.
II.
用括号内所给单词的适当形式填空。
Basketball
1
(inv
( http: / / www.21cnjy.com"
\o
"欢迎登陆21世纪教育网 )ent)
by
a
Canadian
doctor
2
(name)
James
Naismith,
who
3
(born)
in
1861.
When
he
was
at
college,
his
class
4
(be)
once
5
(ask)
to
invent
a
new
game
that
could
6
(play)
indoors
during
the
long
winters.
Dr
Naismith
created
a
game
to
be
played
on
a
hard
7
(wood)
floor,
so
the
8
(safe)
of
the
players
was
important.
9
(knock)
into
players
and
10
(fall)
down
would
be
dangerous.
1.________
2._________
3._________
4.
_________
5._________
6.________
7._________
8._________
9.
_________
10._________
Unit
6
When
was
it
invented
Period
6
Section
B
3a
–Self
Check
编写人：
审核人：
编写时间：2017-08-09
班
级：________
组
名：____________
姓
名：_________
【学习目标】
1．复习一般过去时的被动语态的用法。
2．能够用英语讲述自己所熟悉的某一发明。
【学习重点】
掌握本单元所学的词汇、句型及语法知识，并能进行综合练习运用。
【学习难点】
能用一般过去式的被动语态描述一份新发明。
【学习过程】
一、目标呈现
Task
1　Let's
collect
words，phrases
and
sentences.
I．I
can
write.(我会写)
复习本单元重点单词、短语和句型，并掌握其用法。学习掌握本课时重点单词及短语：
1、______________
偶然；意外地
2、
_______________发生；出现
3、without
doubt
_____________
4、_______________突然；猛地
5、by
mistake_______________
6、divide…into
___________
7、_______________钦佩；仰慕
8、have
a
point____________
9、_______________鼓励某人做某事
10、___________不但……而且……
II．I
can
translate.(我会译)
1、—拉链是什么时候发明的？
—它是1893年发明的。
—___________
____________the
zipper
invented
—It
____________
___________in
1893.
2、—茶是什么时候被带到韩国的？
—它是在6、7世纪期间被带到韩国的。
—When
________
tea
_________
_________Korea
—It
________
_________
________Korea
during
the
6th
and
7th
centuries.
3、这个特殊的钢笔是由刘杰发明的。
This
special
pen
________
_________
_________Liu
Jie.
4、很难断定是谁先想到这个主意。
It's
hard
to
tell
who_________
__________
________
the
idea
first.
5、他们认为这个发明家是借用其他人的想法来创造自己的发明。
They
think
that
t
( http: / / www.21cnjy.com"
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"欢迎登陆21世纪教育网 )he
inventor
used
________
________idea
to
create
his
or
her
invention.
二、自主合作
Task
1
3a
Review
all
the
n
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"欢迎登陆21世纪教育网 )ew
words，phrases
and
sentences
in
Unit
6，then
finish
the
form
in
3a，think
out
something
you
dislike
according
to
the
tips
in
3a，then
think
out
some
invention
to
help
you
and
communicate
with
your
partner.
Task
2
3b
According
to
the
ti
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"欢迎登陆21世纪教育网 )ps
in
3a
and
the
sentences
in
3b，students
write
an
article
that
describe
your
new
inventions，introduce
these
new
products
and
try
to
sell
them
to
your
classmates，then
choose
the
best
articles.
Task
3
Writing
本单元谈论的话题是“发明”。内容涉
( http: / / www.21cnjy.com"
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"欢迎登陆21世纪教育网 )及到很多方面，如：介绍一位熟悉的发明家，介绍一项发明，评价一项发明，设想一项发明等。谈论该话题有助于帮助我们了解科学的发展，培养科学意识和创造意识，也有益于学习发明家不畏艰难、勇于探索的精神。
常用句型：
…was
invented
in………是在……发明的
……是被……发明的
…is
used
for………被用来……
I
think
the
most
helpful
invention
is…我认为最有帮助的发明是……
…was/were
invented
by
mistake.……是在无意中发明的
It
is
believed
that…invented
the
first…in…人们认为……在……发明了第一个……
Task
4
Self
Check
1-3.
1．Complete
the
pas
( http: / / www.21cnjy.com"
\o
"欢迎登陆21世纪教育网 )sage
with
the
correct
forms
of
the
words
in
the
box，then
ask
one
student
to
read
the
passage
and
check
the
answers.
2．Rewrite
these
sen
( http: / / www.21cnjy.com"
\o
"欢迎登陆21世纪教育网 )tences
using
the
passive
voice.Ask
five
students
to
write
on
the
blackboard
and
check
the
answers.
3．Find
out
i
( http: / / www.21cnjy.com"
\o
"欢迎登陆21世纪教育网 )nformation
about
an
invention
you
would
like
to
know
more
about
and
write
sentences
below.
三、巩固构建：
假如你是茶文化博物馆的讲解员，明天
( http: / / www.21cnjy.com"
\o
"欢迎登陆21世纪教育网 )你要向一批外国游客用英语介绍有关茶的发明史。请根据以下英语问题，结合本单元所学内容准备一篇100词左右的书面介绍。
内容提示：1.When
was
it
invented
2．Who
was
it
invented
by
3．How
was
it
invented
要求：不要只简单回答内容提示中的问题，可增加相关内容。
Tea
is
the
m
( http: / / www.21cnjy.com"
\o
"欢迎登陆21世纪教育网 )ost
popular
drink
after
water
in
the
world.The
story
of
tea
began
in
ancient
China
over
5，000
years
ago.
________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________