(共20张PPT)
Unit
7
What's
the
highest
mountain
in
the
world?
Review
Words:
square
meter
deep
desert
population
Asia
feel
free
tour
tourist
wall
amazing
ancient
protect
wide
man-made
achievement
southwestern
include
freezing
condition
succeed
challenge
achieve
force
nature
ocean
cm(centimeter)
weigh
birth
adult
bamboo
endangered
research
keeper
awake
excitement
illness
wild
government
whale
oil
protection
huge
Words:
Qomolangma
Nile
the
Caspian
the
Sahara
the
Yangtze
the
Yellow
River
the
Ming
Dynasty
the
Ming
Great
Wall
the
Himalayas
the
Amazon
the
Pacific
Ocean
珠穆朗玛峰
尼罗河
里海
撒哈拉沙漠
扬子江、长江
黄河
明代
明长城
喜马拉雅山脉
亚马逊河
太平洋
Phrases:
take
in
in
the
face
of
at
birth
even
though
talk
about
as
you
can
see
as
far
as
I
know
mountain
climbing
prepare...for
in
danger
walk
into
fall
over
take
care
of
die
from
cut
down
or
so
in
the
future
up
to
wild
animals
many
times
more
than
the
forces
of
nature
吸入、吞入
面对
出生时
即使
谈论
正如你所见
就我所知
爬山
为...准备
处于危险之中
走路时撞到
绊倒
照顾、处理
死于...
砍倒
大约
将来
达到、至多,不多于
野生动物
很多倍
大自然的力量
sentences:·
1.
to
ask
me
anything
on
today's
Great
Wall.
2.This
make
it
wall
in
the
world.
3.The
was
to
protect
their
part
of
the
country.
4.
,
there
are
no
other
man-made
objects
this.
5.One
of
the
world's
sports
is
,
and
one
of
the
most
popular
places
for
this
is
the
Himalayas.
·
Feel
free
the
longest
main
reason
As
far
as
I
know
as
big
as
most
dangerous
mountain
climbing
sentences:
6.Even
difficulties
include
freezing
weather
and
heavy
storm.
7.It
is
also
very
hard
to
air
as
you
get
near
the
top.
8.One
of
the
main
reasons
is
that
people
want
to
challenge
themselves
difficulties.
9.The
spirit
of
these
climbers
shows
us
that
we
should
never
give
up
trying
to
.
10.It
also
shows
that
human
can
sometimes
be
stronger
than
the
.
more
serious
take
in
in
the
fact
of
achieve
our
dream
forces
of
nature
用法集萃
any
other+单数名词
其他任意一个
feel
free
to
do
sth.
可以随便做某事
one
of
the
+形容词最高级+可数名词复数
最...之一
What’s
the
+形容词最高级+名词+in
the
world?
世界上最...的...是什么?
How
high
is....?
...有多高?
Important
points:
1.population:
是一个集合名词,意为“人口、数量”。常与定冠词the连用,单独做主语时,谓语动词用第三人称单数形式。
The
world’s
population
is
larger
and
larger.
Tip1:百分数或分数修饰population做主语时,谓语动词用复数:About
sixty
percent
of
the
population
in
China
are
farmers
Tip2:人口“多”用large,
“少”用small
Tip3:
问人口用句型:What’s
the
population
of...?
China
has
the
population
of
about
1.3
billion.
=
The
population
of
China
is
about
1.3
billion.
2.as...as
1.as
+
adj
/adv.
+as
与...一样
China
is
as
big
as
the
US.
否定:not
so/as...as
The
room
is
not
as/so
big
as
that
one.
2.固定搭配:
as
far
as
I
know
据我所知
as
far
as
I
can
see
依我之见
3.take
take
in
take
down
take
after
take
away
take
off
take
out
take
up
吸入、吞入
拆除、记录
像
拿走、拿开
脱掉、起飞
取出
开始做、占据
Grammar
1:大数的表达法
1000以上的基数词的表示法:先从右至左数,每三位数加一个小逗点(以此把数目分为若干段)。第一个逗点前的数为thousand(千),第二个为million(百万),第三个为billion(十亿)
1,234,567,890
Exercise:
9,883
58,621
201,533
1,236,548
Grammar
2:
形容词和副词的比较级
1.概念:形容词和副词有三个等级:
原级
比较级
最高级
比较级和最高级的规则变化:
单音节词和部分双音节词
一般直接加-er,-est
tall-taller-tallest
fast-faster-fastest
以不发音的e结尾的词,直接加-r,-st
nice-nicer-nicest
late-later-latest
辅音字母+y,改y为i,再加er,est
easy-easier-easiest
early-earlier-earliest
重读闭音节结尾,词尾只有一个辅音字母的,双写辅音字母,加er,est.
big-bigger-biggest
hot-hotter-hottest
多音节词和部分双音节词
在词前加more或most
difficult-more
difficult-most
difficult
carefully-more
carefully-most
carefully
不规则变化
good/well
--better
–best
bad/badly/ill—worse—worst
many/much—more—most
little—less—least
far--farther—farthest
far—further—furthest
old—older/elder—oldest/eldest
比较级的用法:
1.甲+形容词比较级+than+乙
表示“甲比乙...”
Tom
is
taller
than
Kate.
2.比较级+
and+比较级
表示“越来越”
He
is
getting
taller
and
taller.
3.the
+
比较级,the+比较级
表示“越...越...”
The
more
careful
you
are,
the
fewer
mistake
you
will
make.
4.特殊疑问词+形容词比较级,甲or乙?
Which
is
bigger,
the
earth
or
the
moon?
最高级的用法:
1.三者或三者以上相比较用“the+最高级+名词+范围”
Liao
Junxiang
is
the
tallest
of
all
the
boys
in
our
class.
2.表示“最...之一”用“one
of
the
+形容词最高级+复数名词”
The
Great
Wall
is
one
of
the
greatest
buildings
in
the
world.
最高级与比较级之间的转换:
形容词与副词的最高级可与“比较级+than
+
any
other+单数名词”或“比较级+than
+
the
other
+复数名词”进行互换。
Tom
is
the
tallest
in
his
class.
=
Tom
is
taller
than
any
other
student
in
the
class.
=
Tom
is
taller
than
the
other
students
in
the
class.
Exercises:
Unit
7
Section
A
模拟练、中考练
Dictation
20
words,15
phrases,
10
sentences
Dictation:
1.关于今天的长城之旅,请随意向我提问。
2.这就使得它成为世界上最长的城墙。
3.主要原因是保护他们那部分的国土。
4.据我所知,再没有其他像它这样大的人造物体了。
5.登山运动是世界上最危险的运动之一,而喜马拉雅山脉是从事这项运动最受欢迎的地方之一。
6.更加严峻的困难包括极冷的天气状况和巨大的风暴。
7.当你接近山顶的时候,你还会感到呼吸非常困难。
8.一个主要的原因是人们想再面对困难时挑战自己。
9.这些登山者的精神向我们表明:我们绝不应该放弃实现我们梦想的尝试。
10.它显示了人类有时比自然的力量更强大。