人教新目标版英语八年级下Unit 7 What’s the highest mountain in the world?知识点讲解课件（58张PPT）

(共58张PPT)
yuki吕宇晴
八年级英语下unit7
Section
A
2
知识点讲解
2
谈论地理
1.
语法点讲解
3
2020珠峰登顶测量
3
攀登者
4
China’s
top
action
star,
Wu
Jing,
is
going
to
conquer
Qomolangma.
中国功夫巨星吴京将征服珠峰。
Wu
acted
in
a
film
called
The
Climbers.
It
is
based
on
the
real-life
expeditionof
four
Chinese
mountaineers
in
1960,
who
were
the
world’s
first
to
climb
Qomolangma’s
north
side
successfully.
吴京主演的电影《攀登者》，改编自1960年四位中国登山家的真实探险故事，他们也是全球首批成功从北坡登顶珠峰的人。
知识点讲解
5
1.1025
meters
deep翻译：1025米深
深的
（形容词adj.）
deeply修饰带有感彩的动词
dislike，hate，love，think
深地
（副词adv.）表示具体深度
Mike
take
a
breath，and
began
the
first
try.
麦克做了一次深呼吸并开始了他的第一次尝试。
Dig
the
hole
please！
请把洞挖深点。
He
was（
）
moved
by
the
story.
他被这个故事深深地感动了。
deep-deeper-deepest
知识点讲解
6
形状特征，用“基数词+单位名词+形容词”
The
river
is
50
meters
wide.
这条河50米宽。
造句：我表弟1.75米高。
拓展：基数词+单位名词+形容词往往构成复合形容词，每个词之间用“-”连接。
a
six-year-old
boy
a
two-meter-long
table
这里的单位名词不能用复数，而是用单数
知识点讲解-真题演练
7
Among
the
four
seas
off
the
coast
of
China，
East
China
sea
is
the
second
（
C）
A.deep
B.deeper
C.deepeat
D.
the
deepest
“the+序数词+形容词最高级”表示第几(大，长，深等)，题目中的second为序数词
知识点讲解
8
2.China
has
the
biggest
population
in
the
world
population（n.）人口
常用big/large或small修饰
询问人口多少用what提问
(疑问词+be)
the
population
of
your
city？
the
population
of
this
town
is
（
large）
than
that
of
our
town
What
is
larger
知识点讲解
9
3.Feel
free
to
ask
me
anything
on
today's
Great
Wall
tour.关于今天的长城之旅，请随意向我提问吧
feel
free
to
ask（表示允许）可以随便做某事
Feel
free
to
ask
question
if
you
don't
understand.
翻译：
Can
I
use
your
phone？可以借你电话一用
-Feel
free.随便用吧
知识点讲解
10
3.Feel
free
to
ask
me
anything
on
today's
Great
Wall
tour.关于今天的长城之旅，请随意向我提问吧
tour（n.）旅行，旅游
tourist（n.）游客，观光者
every
year，
（tour）from
home
and
abroad
visit
places
of
interest
，taste
delicious
food
and
enjoy
themselves
in
Xiamen.
tourists
知识点讲解
11
4.The
main
reason
was
to
protect
their
part
of
the
country.主要原因是保卫自己的国家
protect（V.）保护
常构成动词短语：protect
from（=keep
from
）
Wearing
dark
galsses
can
protect
your
eyes
from
the
sun.戴墨镜可以保护眼睛不受伤害
知识点讲解
12
4.The
main
reason
was
to
protect
their
part
of
the
country.主要原因是保卫自己的国家
句子分析：动词不定式短语做表语
My
dream
is
to……（作文可用句式）
小红莓乐队《DREAM》
知识点讲解
13
as正如（连词.）连接从句中的谓语动词往往是see，know，expect。
eg：As
we
all
know，the
Pacific
is
the
largest
ocean
in
the
world.
正如我们所知道，太平洋是世界上最大的海洋
As
everyone
expected，we
won
the
game
翻译：
5.As
you
can
see，it's
quite
tall
and
wide.正如你所见，它又高又宽。
As的用法
14
连词
介词
as
作为，当做
As
a
student，I
must
follow
the
school
rules.
像，按照，引导方式状语从句
连词
当……的时候。引导时间状语从句
You
must
do
everything
as
I
ask
you
to.
She
sings
as
she
walks.她边走边唱。
知识点讲解
15
as正如（连词.）连接从句中的谓语动词往往是see，know，expect。
eg：As
we
all
know，the
Pacific
is
the
largest
ocean
in
the
world.
正如我们所知道，太平洋是世界上最大的海洋
As
everyone
expected，we
won
the
game
翻译：
5.As
you
can
see，it's
quite
tall
and
wide.正如你所见，它又高又宽。
知识点讲解
16
as
far
as
就……而言；据……
eg：As
far
as
I
know，this
is
highly
unlikely.就我所知，那是极其不可能的。
正如我们所知道，太平洋是世界上最大的海洋
As
far
as
I
can
see，there
are
no
mistakes
依我看，没什么差错
6.As
far
as
I
know，there
are
no
man-made
objects
as
big
as
this.据我所知，还没有和这个一样大的人造物体了。
As
far
as
I
know
知识点讲解
17
include（V.）
包括，包含
including（介词）包括
eg：A
good
British
breakfast
always
includes
sausages
一顿丰富的英式早餐往往会包含香肠
Many
middle
school
students
like
reading
Harry
Potter，including
me
大部分中学生喜欢读《哈利破特》，包括我在内
7.Even
more
serious
difficulties
include
freezing
weather
condition
and
heavy
stormsge.更严重的困难是冰冻天气以及强烈的暴风雪。
知识点讲解
18
freeze（V.）
结冰，冷冻
freezing（adj.）冰冻的，结冰的
eg：Water
（freeze）
at
zero
degree水在零摄氏度结冰。
I
am
（freeze）
！我快冻僵了
7.Even
more
serious
difficulties
include
freezing
weather
condition
and
heavy
stormsge.更严重的困难是冰冻天气以及强烈的暴风雪。
知识点讲解
19
condition（n.）
条件，状况
eg：His
living
condition
are
not
good.他们是生活状况不容乐观
7.Even
more
serious
difficulties
include
freezing
weather
condition
and
heavy
stormsge.更严重的困难是冰冻天气以及强烈的暴风雪。
知识点讲解
20
take
in
1.吸入，吞入（体内）
2.理解，领会
3.收留
He
was
homeless，so
we
took
him
in.
他无家可归，我收留了他
During
the
whole
class，I
didn't
take
anything
in.
在一整节课中，我什么也没学会。
8.It's
also
very
hard
to
take
in
air
as
you
get
near
the
top.当你接近山顶时，你还会感到呼吸非常困难。
知识点讲解
21
句子分析：to
reach
the
top作为定语修饰前面的people。
补充：动词不定式作为定语必须后置
eg：The
next
train
to
arrive
was
from
Xiamen
下一列到站的火车是从厦门开来的
It
was
a
game
to
remember.
那是一场令人难忘的比赛
9.The
first
people
to
reach
the
top
were
Tenzing
N
orgay
and
Edmund
Hillary
on
May
29,1953.第一个登顶的是旦增.诺尔盖和埃德蒙.希拉里，在1953年5月29日
知识点讲解
22
句子分析：连词while连接并列句，while意为然而，前后句子形成对比关系
eg：Some
are
rich
while
others
are
poor有些人富有，然而有些人贫穷。
10.The
first
Chinese
team
did
so
in1960，while
the
first
woman
to
succeed
was
Junko
Tabei
from
Japan
in
1975.第一支中国登山队在1960年完成了这一壮举，而1975年登顶的日本人田部井淳子成为第一个成功登顶的女性
《寄生虫》（《parasite》2019）
success成功
23
1
3
2
success
（n.）成功，成就
一般不可数名词，但指成功的人或事物可数
successful
（adj.）成功的
succeed
（v.）成功
No
one
can
（success）
without
any
hard
work
知识点讲解
24
challenge挑战
（V.）
eg:He
challenged
me
toanother
game
of
chess.
他向我挑战再下一盘棋
（n.）This
is
a
job
with
enough
challenge.这是一个很有挑战性的工作
in
face
of
面对
eg：He
is
very
brave
in
face
of
danger.在面对困难时他很勇敢
11.One
of
the
main
reason
is
because
people
want
to
challenge
themselves
in
face
of
difficulties.一个主要的原因是人们想在困难面前挑战自我。
知识点讲解
25
achieve
（Vt.）达成，完成，实现
eg:With
courage
one
can
achieve
anything.只要有勇气，无事不可成。
12.The
spirit
of
these
climbers
shows
us
that
we
should
never
give
up
trying
to
achieve
our
dream.这些登山者的精神告诉我们：永远不要放弃尝试实现我们的梦想！
同义句转换
Work
hard，and
you
can
make
your
dream
come
true.
Work
hard，and
you
can
(
知识点讲解
26
even
through
=even
if
即使，虽然，引导让步状语从句。
13.Why
do
so
many
people
try
to
climb
this
mountain
even
through
it
is
dangerous？虽然很危险，为什么这么多人想攀登这座山峰。
eg：They'll
stand
by
you
even
if
you
don't
succeed.
即使你不成功，他们也会支持你。
Grammar
Focus重点句型理解
27
1.What‘s
the
highest
mountain
in
the
world？
——Qomolangma
2.How
high
is
Qomolangma?
——It's
8,
844.43
meters
high.
It's
higher
than
any
other
mountain
3.Which
is
Sea
is
the
deepest
of
all
the
salt
lakes
is
Caspian
Sea.
The
Caspian
Sea
is
the
deepest
of
all
the
salt
lakes.
4.Did
you
know
that
China
is
one
of
the
oldest
countries
in
the
world?
Yes,
I
did.
It's
much
older
than
the
US.
Section
B
28
知识点讲解
2
谈论自然
1.
写作技巧
3
灭绝动物
29
We
should
protect
the
animals
in
danger！！！
2019年12月23日，中国科学家在国际学术期刊《整体环境科学》发表的一篇论文说，地球上最大的淡水鱼之一、中国特有物种长江白鲟已经灭绝。
结论其实延迟了10多年。根据这些科学家多年研究的结果，长江白鲟的灭绝时间应在2005-2010年之间。
Panda！胖达
30
知识点讲解
31
1.weighs
5,000
kilos.重5000公斤。［教材
P53
1a]
weighs作动词，意为“重······;称······的重量”。
拓展
weight
n.重量
The
baby
weighs
three
kilos.这个婴儿3公斤重。
The
shopkeeper
weighed
the
tomatoes.售货员把西红柿称了一下。
常用短语：lose
weight
减肥反义词
gain
weight
增重
随堂演练
32
用所给单词的适当形式填空。
1.An
adult
elephant
(weigh)as
much
as
60
people.
2.Dick
decided
to
lose
（weigh)by
eating
less
and
doing
more
exercise.
答案
1.weighs
2.
weight
拓展：high
高的（形容词）
height
高度，身高（名词）
long
长的（形容词）
length长度（名词）
知识点讲解
2.At
birth,a
baby
panda
is
about
to
kilos.刚出生时，熊猫宝宝体重约到公斤。［教材P53
1c]
at
birth
意为“出生时”，在句中常作时间状语。
Their
son
weighed
eight
pounds
at
birth.他们的儿子生下来有8磅重。
At
birth
,
he
was
thin
and
weak.刚出生的时候，他很瘦弱。
随堂演练——同义句转换
No
one
liked
him
when
he
was
born
.
He
was
not
welcome（
）.
他刚出生的时候，没有人喜欢他。
at
birth
知识点讲解
3.A
panda
can
live
up
to
to
years.大熊猫能活
到
年。［教材P53
1c]
up
to用在数字之前，意为“多达，高达”。
The
boss
pays
him
up
to
5,000
yuan
every
month,老板每月给他的薪酬能达到5000元。
There
are
up
to
2,000
students
in
our
school.我校学生多达2000名。
拓展
up
to
sb.意为“是某人的职责；由某人决定；胜任”。
It
is
up
to
you
to
clean
our
classroom
today.今天应由你打扫我们的教室。
It's
all
up
to
you.?一切取决于你
根据汉语提示完成句子
1.我班学生多达100人。
There
are
100
students
in
our
class.
2.
这次要花多长时间？这取决于他们。
How
long
does
it
take?
－
It
to
them.
答案1.up
to
2.is
up
to
知识点讲解
4.An
adult
panda
weighs
many
times
more
than
a
baby
panda.
一只成年大熊猫的体重是一只小熊猫的很多倍。［教材P53
1d]
①adult形容词，意为“成年的；成人的”。
名词，意为“成年人”
He
spent
his
adult
life
in
China.他在中国度过了成年时期。
Tickets
for
adults
are
20
yuan.成人票价为20元。
②many
times
more
than
意为“是很多倍”，many
times许多倍，time在这里作可数名词，意为“次数、倍数”。
I
watch
TV
three
times
a
week.我一周看三次电视。
知识点讲解
many
times
在此处修饰比较级
more.
Bob
weighs
twice
more
than
me.鲍勃的体重是我的两倍。
随堂演练——合并句子。
An
elephant
eats
150
kilos
of
food
a
day.
A
panda
eats
10
kilos
of
food
a
day.
An
elephant
eats（
）（
）（
）a
panda
a
day.
一头大象每天的食量是一只熊猫的15倍。
答案
15
times
more
知识点讲解
5.It
is
8.30
a.m.at
the
Chengdu
Research
Base.早上8:30在成都研究基地。［教材
P54
2b]
research不可数名词，意为“研究；调查”，常与动词do,make和动词短carry
out(进行）等搭配，表示“做或进行研究工作”，其后可接介词on,in,into,for等表示研究的内容。
These
scientists
are
busy
with
scientific
research
all
year
around.这些科学家们一年到头忙于科学研究工作。
They
are
doing
some
research
on
the
animal.
他们正在对这种动物进行科学研究。
随堂演练
根据汉语提示完成句子。
宇航员将在上面生活并进行一些研究工作。
Astronauts
will
live
on
it.
research是不可数名词，经常与do/make搭配使用。
答案do/make
some
research
知识点讲解
6.At
9:00
a.m.
,
they
find
that
most
of
the
babies
are
already
awake
hungry.到了早上9:00,他们发现大多数熊猫宝宝巳经醒来了并且饿了［教材P54
2b]
awake形容词，“醒着的”，在句中作表语，对应词是asleep,意为“睡着的”
I
was
awake
at
10
o'clock
yesterday
evening.
昨天晚上10点钟我还醒着。
Is
the
baby
awake
or
asleep?婴儿醒了还是睡着了？
注意：awake作定语时，放在所修饰词的后面，即作后置定语。
There
were
many
people
awake
at
that
time.当时很多人都醒了。
拓展：wake动词，“醒来”；wake...up“把······弄醒”。
随堂演练
He
fell
（
）early
last
night，and
he
was（
）early
this
morning.
A.sleep
;
wake
B.asleep
;
wake
C.asleep
;
awake
D.sleep
;
awake
点拨：awake在be动词之后作表诺。点拨fall
asleep“入睡”，是固定短语。
答案：C
知识点讲解
When
the
babies
see
the
keepers，they
run
over
with
excitement
and
some
of
them
even
walk
into
their
friends
and
fall
over!当（熊猫）宝宝们见到饲养员时，它们兴奋地跑过来，有些甚至撞到同伴而摔倒了。（教材P54
2b）
！1.run
over意为“跑上前去；跑去”，其中
over用副词，表示“从······的一到另一边；穿越”。
She
ran
over
to
say
hello
,
but
I
didn't
recognize
her.
她跑过来打招呼，但我没有认出她来。
注意run
over还可意为“压过去；碾过”。
Last
year,a
bike
ran
over
her
and
hurt
her
leg.去年一辆自行车从她身上过，伤了她的腿。
知识点讲解
6.At
9:00
a.m.
,
they
find
that
most
of
the
babies
are
already
awake
hungry.到了早上9:00,他们发现大多数熊猫宝宝巳经醒来了并且饿了［教材P54
2b]
awake形容词，“醒着的”，在句中作表语，对应词是asleep,意为“睡着的”
I
was
awake
at
10
o'clock
yesterday
evening.
昨天晚上10点钟我还醒着。
Is
the
baby
awake
or
asleep?婴儿醒了还是睡着了？
知识点讲解
②excitement作不可数名词，意为“激动；兴奋”。
He
can
hardly
say
any
words
becase
of
excitement.他激动得说不出话来。拓展
excited激动的；兴奋的（涉及的对象往往指人）
exciting
令人激动的（描述物）
比较：Skiing
is
more
exciting
than
skating.
滑雪比滑冰更刺激。
He
was
excited
to
hear
the
news.
他听到那消息很激动。
知识点讲解
③fall
over“跌倒”。
Children
often
fall
over
while
coming
down
the
stairs.小孩子经常在下楼时摔倒。
辨析fall
over,fall
down
与
fall
off词语用法
fall
over意为“跌倒”，强调“向前摔倒”。
fall
down意为“倒下”，强调的是“滑倒”；掉下。
fall
down
from=fall
“从某处掉fall
down下来”。
fall
off意为“跌落”，强调的是“从某处跌落；从某处掉下来”。
知识点讲解
My
brother
fell
over
and
hurt
his
legs.我弟弟跌倒并把腿摔伤了。
The
boy
fell
down
and
hurt
badly.男孩滑倒了，伤得很重。
The
girl
fell
off
the
bike.女孩从自行车上掉了下来。
随堂演练
The
old
man
his
3-wheel
bike.
But
luckily
,
he
didn't
hurt
himself.
A.fell
over
B.fell
off
C.fell
down
D.fell
to
fall
过去式
fell
过去分词
fallen
知识点讲解
8.Scientists
say
there
are
now
fewer
than
2,000
pandas
living
in
the
forests.
科学家们说现在只有不到2000只大熊猫生活在森林里。［教材P54
21）
There
be+名词（短语）＋v.-ing意为“某处有某人或某物在做某事”
短语living...作后置定语，修饰pandas.
There
is
a
truck
collecting
rubbish
outside.外面有一辆卡车正在收垃圾
随堂演练
There
are
some
boys
basketballoverthere.－Let's
go
and
join
them.
A.
are
playing
B.playing
C.
to
play
知识点讲解
9.The
babies
often
die
from
illness.熊猫宝宝经常死于疾病。［教材P54
2b]
①die
from“死于······(某种原因）”。
Few
people
died
from
the
earthquake
because
the
government
took
action
in
time.因为政府及时采取行动，所以没有多少人死于这次地震。
辨析die
from
与
die
of词语用法
die
from“死于······”，主要指事故等方面的外部原因。
In
old
days,many
people
died
from
hunger
and
cold.
在旧社会，很多人死于饥饿和严寒。
die
of“死于……”，主要指疾病，衰老等自身的原因。
It
is
said
that
the
old
man
died
of
heart
trouble.病、据说老人是死于心脏疾病。
知识点讲解
随堂演练
He
died
traffic
accident
last
week.
Of
B.
from
C.with
D.for
②illness名词，“疾病”。
He
still
smiles
in
the
face
of
illness.在疾病面前他依然微笑。
形容词ill加后缀－ness构成名词，类似的名词还有很多。例如。拓展kind(善良的）－kindness(善良）
happy(幸福的）－happiness(幸福）
B
知识点讲解
10.huge
adj.大的；极多的［教材P55
3a]
huge形容词，可在句中作表语或定语。
An
elephant
is
huge.大象的体形很庞大。
辨析huge,large,big
与
great词语用法例句“
huge”巨大的”，强调尺寸而非重量。
Its
leaves
can
be
made
into
a
huge
fan.它的叶子能被制作成巨大的扇子。
large“大的”
，多指面积范围大。
The
South
China
Sea
is
large
and
beautiful.中国的南海面积广大且非常美丽。
big“大的”，多指体积大，还表示年龄大。
Do
you
know
the
big
boy?你认识那个大男孩吗？
知识点讲解
great抽象的意义，一般指“伟大的；重大的”
Tu
Youyou
is
a
great
scientist.屠呦呦是一位伟大的科学家。
随堂演练
She
is
enough
to
ride
a
bike.(big/great)
He
caught
a
whale.(huge/large)
语法详解
形容词、副词的比较级和最高级
形容词、副词的比较级和最高级的构成
单音节词和部分双音节词
一般在词尾加－er,-est.
short-shorter-shortest
fast-faster-fastest
以不发音的字母e结尾的词加－r,-st.
nice-nicer-nicest
fine-finer-finest
late-later-latest
以重读闭音节结尾，且词尾
只有一个辅音字母的形容
词或副词，应该先双写该辅音字母，然后再加－er,-est.
big-bigger-biggest
thin-thinner-thinnest
fat-fatter-fattest
以“辅音字母十y”结尾的双音节词，应该先把y变为i，再加－er,-est.
easy-easier-easiest
funny-funnier-funniest
early-earlier-earliest
多音节词和部分双音节词
在词前加
more,most
若否定，前面加
less，least.
popular-more
popular-most
popular
interesting-more
interesting-most
interesting
carefully-more
carefully-most
carefully
不规则变化
good/well-better
best
bad/ill/badly-worse
worst
many
much-more
most
far-farther
farthest/further
furthest
little-less-least
old-older
oldest/elder
eldest
比较等级之间的转换
1.原级与比较级之间的转换，可用“less+原级十than”替换“not
so/as十原级”。
Hot
dogs
are
not
so
delicious
as
sandwiches.
Hot
dogs
are
less
delicious
than
sandwiches.热狗不如三明治好吃。
2.比较级之间的转换。常改变比较对象的位置并使用反义词。例如：
My
sister
is
three
years
older
than
I.我姐姐比我大3岁。
I
am
three
years
younger
than
my
sister.我比姐姐小3岁。
?
55
3.最高级与比较级之间的转换。
（1)用“比较级＋than+any
other+名词单数”。
Tom
runs
fastest
in
his
class.汤姆在他班里跑得最快。
Tom
runs
faster
than
any
other
student
his
class汤姆比他班里其他任何同学跑得都快
（2)用“比较级
+than
+all
the(other)+名词复数或
any
of
the(other.)
名词复数”。注意：当主语在比较的范围内时用other,当王语不在比较的范国
时，不用other.例如：
She
is
the
most
beautiful
girl
in
the
school
.她在学校是最漂亮的女孩。
She
is
more
beautiful
than
all
the
other
girls
in
the
school一她比学校里的其他
孩都漂亮。
China
is
bigger
than
any
African
country.
-China
is
bigger
than
all
the
African
countries.中国比非洲任何国家都大。
比较等级之间的转换
www.islide.cc
56
形容词、副词比较等级的修饰语
当强调比较的程度时，可以在形容词、副词的比较级前使用much
,
a
little,
even,
still,
a
lot,
any等。
It
is
much
colder
today
than
yesterday.今天比昨天冷得多。
My
pear
is
a
little
bigger
than
yours.我的梨比你的大一点。
Mary
did
even
worse
than
Lucy.玛丽做得甚至比露西更糟。
She
jumped
a
lot
farther
than
me.她跳得比我远很多。
57
随堂演练
用所给单词的适当形式填空。
1.I
did
(well)in
drawing
than
her.
2.Guilin
is
one
of
the
（beautiful)cities
in
the
world.
3.
Emily
used
to
be
short,but
now
she
is
(tall).
4.The
clothes
in
this
shop
are
the
in
the
city.
改写同义句，每空一词。
1.Jack
runs
faster
than
I.
I
run
more
slowly
than
Jack.
2.John
is
the
tallest
student
in
his
class.
John
is
taller
than
any
other
student
in
his
class.
better
The
most
beautiful
taller
cheapeat
Thank
You