(共19张PPT)
Unit
3
School
Life
Lesson
17
School
Science
Fair
Look
and
Talk
Look
and
Talk
science
fair
Talk
About
Fair
Do
you
know
what
a
fair
is?
A
fair
is
a
place
where
people
go
to
present
their
work
or
buy
and
sell
different
goods.At
a
science
fair
people
present
science
projects
and
others
come
to
see
the
projects.At
a
town
fair
people
sell
different
goods
and
others
come
to
buy
the
goods.
New
Words
prize
[pra?z]
n.
奖品；奖赏
video
['v?d???]
n.录像；视频
piece
[pi?s]
n.张；片
visitor
['v?z?t?]
n.参观者
Listen
and
Write
Listen
and
write
true
(T)
or
false
(F).
1.
Danny
and
Jenny
are
excited
about
the
science
fair.
（
）
2.
Jenny’s
project
is
about
silk.
（
）
3.
Danny
will
make
five
different
kinds
of
donuts.
（
）
4.
Danny
will
teach
people
to
make
donuts.
（
）
T
F
F
F
Read
and
Answer
1.
What
does
Jenny
hope?
2.
What
did
Jenny
make
for
her
project?
3.
What’s
Danny’s
project
about?
4.
What
will
Danny
make
for
his
project?
She
hopes
to
win
first
prize.
She
made
a
video
about
silk
worms.
His
project
is
all
about
donuts.
He
will
make
ten
different
kinds
of
donuts.
Language
Points
1.
I
hope
to
win
first
prize.
?
win
first
prize
赢得一等奖
?
win
first
prize
=
take
/get
the
first
place
e.g.
He
won
first
prize
in
the
singing
contest.
=He
take/got
the
first
place
in
the
singing
contest.
他获得歌唱比赛一等奖。
2.
Don’t
worry，Jenny.
?
Don’t
worry.
别担心
?
本句为“don’t+动词原形”构成的否定祈使句，表示请求、命令等。
e.g.
Don’t
be
careless.
别粗心！
Don't
be
late
for
school.
上学不要迟到。
Language
Points
3.
You
will
do
a
great
job!
?
do
a
great
job
做得好
(
=
well
done/excellent/wonderful/good
job)
?
do
a
great
job
常用来表示表扬或者鼓励。
e.g.
—
I
am
worried
about
tomorrow's
speech
contest.
—
Don't
be
nervous.You
will
do
a
great
job.
job
work
指具体的职业或零工
指人们日常生活和工作中从事的
体力或脑力劳动
可数名词
不可数名词
侧重种类
侧重于量
【辨析】job与work
e.g.
He
wanted
a
job.
他想要一份工作。
I
can't
find
work
in
this
town.我在这个镇里找不到工作。
Language
Points
4.
I
am
really
interested
in
this
subject.
?
be
interested
in
对…感兴趣
e.g.
I
am
interested
in
English.
我对英语感兴趣。
【辨析】interest,
interested和interesting
①
interest用作不可数名词时，意为“兴趣,
关心,
重要性,
影响,
利息,
利益,
利害”;用作动词时意为“使发生兴趣，引起...的注意”，其主
语多为事或物。
③
interesting为形容词,
主语通常是物;可以作表语，也可以作定语。
②
interested为形容词，意为“感兴趣的”;“对……感兴趣”，主语
通常是人，且多用于be
/
get
/
feel
/
become
interested
in结构中。
a.
be
interested
in
sth.对某事感兴趣
b.
be
interested
in
doing
sth.
对做某事感兴趣
Language
Points
5.
I
have
a
small
piece
of
old
silk.
?
a
piece
of
一张/片/块......
pieces
of
几张/片/块......
e.g.
He
cut
a
piece
of
bread
from
the
loaf.
他从长条面包中切下一片。
There
were
many
pieces
of
glass
all
over
the
road.
路上有许多玻璃碎片。
?
a/some/many/基数词...+
piece(s)
of
后通常接不可数名词，表
示不可数名词的量；piece前有表示复数概念的词时，把piece变为
复数即可。
e.g.
a
piece
of
bread
一片面包
/
three
pieces
of
bread
三片面包
a
piece
of
paper
一张纸
/
five
pieces
of
paper
五张纸
?
“...
piece(s)
of
+不可数名词”作主语时，谓语动词应与piece的形
式保持一致。
Language
Points
6.
I
also
have
a
silk
worm
for
the
visitors.
?
visitor
n.
参观者
?
visitor是由动词visit加后缀-or构成。
?
动词加-er或-or多表示做这个动作的人。常见单词有：
teach+er
?
teacher
教师；
work+er
?
worker
工人；
invent+or
?
inventor
发明家；
direct+or
?
director
导演；
translate+or
?
translator
翻译家；
act+or
?
actor
演员
Summary
1.
谈论某事
talk
about
2.
为...做准备
be
ready
for
3.
一块，一张
a
piece
of
4.
两张纸
two
pieces
of
5.
一种/类...
a
kind
of
6.
不同种类
different
kinds
of
7.
对...感兴趣
be
interested
in
8.
获一等奖
win
first
prize
9.
录像
make
a
vedio
10.
希望做
hope
to
do
11.做得很棒
do
a
great
job
Practice
Fill
in
the
blanks
with
the
correct
forms
of
the
phrases
in
the
box.
be
ready
for;
do
a
great
job;
be
interested
in;
a
piece
of;
different
kinds
of
1.
I
______________
science.
I
will
take
part
in
the
science
fair.
2.
There
are
many
______________
flowers
in
the
park.
3.
My
mum
brought
me
a
new
scarf
and
gloves.
Now
I
______________
the
winter.
4.
Can
I
have
______________
cake?
It
looks
delicious.
5.
Your
project
was
really
good.
You
______________.
am
interested
in
different
kinds
of
am
ready
for
a
piece
of
did
a
great
job
Practice
1.
The
story
is
______
and
all
of
us
are
______
in
it.
A.
interest,
interesting
B.
interesting,interest
C.
interested,
interesting
D.
interesting,
interested
2.
—Mum,
I
failed(失败)
the
exam
again.
—________.
A.
I'm
sorry,
too
B.
Not
at
all
C.
Hard
to
say
D.
Don't
worry
3.
The
panda
is
________
animal.
A.
a
kind
of
B.
all
kinds
of
C.
kind
of
D.
different
kinds
of
4.
Please
pass
me
two
________.
A.
pieces
of
paper
B.
pieces
of
papers
C.
pieces
paper
D.
piece
papers
Practice
5.My
friend
Tom
is
interested
in
________
books.
A.
to
read
B.reading
C.read
D.reads
6.
Daniel
has
won
first
________
in
the
Reading
Competition.
A.chance
B.
prize
C.
lesson
D.
result
7.
____
you
ready
for
class
now?
A.Do
B.Did
C.Will
D.Are
8.
—Could
you
give
me
________
on
speaking
English
well?
—Well,
there's
no
easy
way.
You
have
to
practice
a
lot.
A.
an
advice
B.
a
piece
of
advice
C.
some
advices
D.
piece
advice
Homework
Work
in
groups.
Suppose
there
will
be
a
science
fair
at
your
school.
What
will
your
project
be
about?
How
will
you
present
your
project?
Interview
your
classmate
and
write
a
passage
about
your
project.
Homework
家庭作业
THANK
YOU
!
谢谢大家！
