(共21张PPT)
Unit
1
How
tall
are
you
read
and
write
My
small
cat
smaller
taller
heavier
bigger
longer
shorter
thinner
older
younger
stronger
Say
and
spell
the
words
.
Free
talk
How
old
are
you
I’m
_____
years
old.
How
tall
are
you
I’m
_____
metres
tall.
How
heavy
are
you
I’m
_____
kilograms.
What
size
are
your
shoes
I
wear
size
_____.
The
_______is/are
_____er.
√
√
trees
green
weather
warm
Spring
is
coming
,Can
you
think
of
any
other
changes
Look
and
tick
.春天来临，你还能想出春天其他的变化吗？
Wu
Yifan
and
his
family
are
going
on
a
trip
to
the
countryside.
He
has
a
story
to
tell
Robin.
（乡村）
The
story
is
about
a
duck
and
an
old
tree
.
Let’s
listen
to
the
radio
and
answer
the
question
.
1.What’s
little
duck
doing
The
sun
is
getting
lower
and
lower
.
The
Little
Duck’s
shadow
is
getting
longer
and
longer
.
Little
duck
is
watching
the
sun
go
down
.
2.What’s
happening
越来越低
下降，落下
越来越长
shadow
Little
Duck’s
shadow
影子
Read
the
story
quickly
and
circle
the
right
answers.
(快速阅读故事，圈出正确答案。)
1
Choose
a
title
for
the
story
.
A
Little
Duck’s
shadow
B
Old
Tree’s
shadow
2
Who
is
younger
A
The
tree
B
The
duck
3
When
is
the
duck’s
shadow
longer
A
In
the
morning
B
In
the
afternoon
Little
Duck
:Old
Tree,the
sun
gets
,
but
my
shadow
gets
.Why
Old
Tree:That’s
easy
.Your
shadow
gets
longer
because
you
are
getting
____and
growing
_____
every
day
.
Little
Duck
:
So
what
will
happen
to
me
Old
Tree
:
Well…..
lower
longer
older
taller
Fill
in
the
blanks
.
Read
the
story
again
carefully
and
circle
the
words
with
“er”.
默读课文，圈出带有’’er
‘’的单词。
更聪明的
Let‘s
listen
and
repeat
.听并跟读。
Little
Duck’s
shadow
Role
play分角色朗读故事。
Little
Duck
Old
tree
Narrator
(旁白
)
Think
and
discuss.
Can
you
answer
Little
Duck’s
question
What’s
your
answer
Talk
in
groups
.
____________________________________________
________________________________________________
______________________________________________
_________________________________________________
太阳刚刚升起，或即将落下时影子最长。
这时，太阳接近地平线，与地面的夹角（叫太阳的高度角）较小，形成的影子就最长。到中午时，太阳的高度角最大，形成的影子就最短。
The
sun
is
lower
and
our
shadow
is
longer
.
The
sun
is
higher
and
our
shadow
is
shorter
.
Around
us
there
are
many
scientific
phenomena,
usually
as
long
as
the
lookout,
we
will
be
able
to
find
them.我们身边有许多科学现象，平时只要留心观察，就一定能发现它们。
Homework
Find
more
words
about
“er”.
找一找生活中的比较级。
