(共30张PPT)
R·九年级上册
Section
B
1a-1e
Unit
6
When
was
it
invented?
New
words
顾客；客户
customer
脆的；酥脆的
咸的
酸的；有酸味的
crispy
salty
sour
What
kind
of
food
do
you
like?
The
words
in
the
box
describe
how
food
can
taste.
Write
them
under
the
correct
pictures.
Some
pictures
have
more
than
one
word.
sweet
crispy
salty
sour
___________
________
______
________
crispy
salty
sour
sweet
salty
Write
the
name
of
a
different
food
after
each
word.
sweet
__________
crispy
___________
salty
__________
sour
________
banana
fried
chicken
salted
eggs
lemon
Listen
and
circle
T
for
true
or
F
for
false.
1.
Potato
chips
were
invented
by
mistake.
T
F
2.
They
were
invented
in
1863.
T
F
3.
The
customer
thought
the
potatoes
were
not
thin
enough.
T
F
4.
The
customer
said
they
were
not
salty
enough.
T
F
5.
George
wanted
to
make
the
customer
happy.
T
F
6.
The
customer
was
happy
in
the
end.
T
F
Listen
again.
Complete
the
sentences.
The
History
of
Potato
Chips
Do
you
know
how
potato
chips
were
invented?
Potato
chips
_____________
by
a
cook
called
George
Crum.
They
were
invented
in
________.
George
Crum
cut
the
potatoes
really,
really______
and
then
cooked
them
for
a
long
time
until
they
were
_________.
Finally
he
put
lots
of
salt
on
them
so
they
were
___________.
were
invented
1853
thin
crispy
really
salty
Listen
again
and
fill
in
the
card.
Who
invented:__________
When
invented
:__________
How
invented
:__________
Process:_______________________________________________________________________________________________________________________
George?Crum
1853
by?mistake
cut?the?potatoes?really,?really?thin
cooked?them?for?a?long?time?until?they?were?crispy
put?lots?of?salt?on?them?so?they?were?really?salty
Tapescripts
Boy?1:?Hey,?did?you?know?that?potato?chips?were?
invented?by?mistake??
Boy?2:?Really??What?do?you?mean??
Boy?1:?Well,?here?on?the?bag?it?says?that?they?were?
invented?by?a?cook?called?George?Crum.?
Boy?2:?When?was?that??
Boy?1:?Oh,?it?was?back?in?1853.?
Boy?2:?So,?why?was?it?an?accident?
Boy?1:?Well,?one?day,?a?customer?came?into?the?
restaurant?where?George?worked.?He?
ordered?a?plate?of?fried?potatoes.?When?the?
potatoes?came,?he?said?they?were?cut?too?
thick?and?sent?them?back?to?the?kitchen.?
Boy?2:?So?what?happened??
Boy?1:?Well,?George?was?angry,?so?he?cut?the?
potatoes?really,?really?thin,?and?he?cooked?
them?for?a?long?time?until?they?were?crispy.?
And?he?put?lots?of?salt?on?them?so?they?were?
really?salty.?He?thought?the?customer?would?
hate?them.
Boy?2:?And??
Boy?1:?And?the?customer?loved?them?and?asked?for?
more.?He?told?the?other?customers?about?
them,?and?soon?everyone?was?ordering?thinly
?
cut,?crispy,?salty?potato?chips.
Boy?2:?And?we’re?still?eating?them?today.?What?a?
cool?story!?
Make
a
conversation
about
the
invention
of
potato
chips.
Use
the
information
in
1c
and
1d.
A:
Did
you
know
potato
chips
were
invented
by
mistake?
B:
Wow,
I
didn’t
know
that.
Who
invented
them?
A:
...
Did
you
know
potato
chips
were
invented
by
mistake?
Wow,
I
didn’t
know
that.
Who
invented
them?
It
was
invented
by
a
cook
called
Geroge
Crum.
Grammar
1.
by
mistake为介词短语，意为“无意中；错误地”，
相当于accidentally。
例句：今天早上我无意中错过了校车。
I
missed
the
school
bus
by
mistake
this
morning.
我错拿了你的钢笔。
I
took
your
pen
by
mistake.
mistake还可以构成短语：
make
a
mistake/make
mistakes
犯错误
mistake…for…
把……错认成……
翻译：别再出错了。
我把她错认成我们的英语老师了。
I
mistook
her
for
our
English
teacher.
Don’t
make
mistakes
any
more.
2.
The
customer
thought
the
potatoes
were
not
thin
enough.
单词enough修饰名词时，不需要倒装。
如：我有足够的钱。
其修饰形容词、副词要倒装。
如：He
wrote
carefully
enough
to
get
the
award
of
the
competition.
I
have
enough
money.
enough常可以和词组so-that，too-to转换。
他跑得不够快，赶不上其他人了。
He
didn’t
run
fast
enough
to
catch
up
with
the
others.
He
ran
so
slowly
that
he
couldn’t
catch
up
with
the
others.
He
ran
too
slowly
to
catch
up
with
the
others.
3.
The
customer
was
happy
in
the
end.
in
the
end
后来，最后，终于
at
the
end
of
...
在……末
by
the
end
of
...
到……末为止
翻译：这个月月末我们将会开个会。
At
the
end
of
this
month
we’ll
have
a
meeting.
到去年末为止我们已经做了十架飞机了。
By
the
end
of
last
year
we’ve
made
ten
planes.
in
the
end
用一个单词表达可以是finally，用一个短语表达可以用at
last
。
如：最后他赢了。
He
won
in
the
end.
He
won
finally.
He
won
at
last.
Exercise
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
____________.
in
the
end
crispy
enough
Ⅰ.
翻译句子。
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_____
_______
by
a
cook
______Crum.
5.
昨天这个厨师往鱼上面撒了许多盐。
The_____
_____lots
of
salt
_____
the
fish
yesterday.
called
cook
put
were
invented
on
happy
to
make
Ⅱ.
用所给词的正确形式填空。
1.
The
TV
____________
(invent)
around
1927.
2.
Wood
can
be
uesd
for
________
(make)
paper.
3.
This
kite
_________
(make)
by
Uncle
Wang.
4.
Tea
______________
(discover)
a
long
time
ago.
5.
Our
classroom
_________________
(should
clean)
every
day.
was
invented
was
made
was
discovered
should
be
cleaned
making
