Unit 3 Wonderful nature-【优品课堂】2026-2027学年六年级上册英语(外研版 三起·新教材)
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Unit 3 Wonderful nature
课文译文
Start up
1.Read and answer.读一读,回答。
Our wonderful natural world→我们奇妙的自然世界
There are so many wonders an earth.
→
地球上有这么多奇观。我们需要守护
We need to take care of them.
它们。
Mount Qomolangma is the world's
珠穆朗玛峰是世界最高峰。2020年它
highest mountain.It was 8,848.86 metres
的高度为8848.86米,而且随着时间推移它
high in 2020.And it is slowly getting higher
在慢慢变高。未来它会变得更高。
over time.It will be higher in the future.
What is the world's biggest desert?
世界上最大的沙漠是什么?你可能会
You may say the Sahara.Well,it's not.It is
说是撒哈拉沙漠。好吧,其实并不是。是南
the Antarctic Desert.How big is it?It is
极荒漠。它有多大?它的面积超过1400万
over 14 million square kilometres.
平方千米。
The longest river in the world is the
世界上最长的河流是尼罗河。它大约
Nile.It is about 6,671 kilometres long.It
6671千米长。它流经11个国家。非洲的
runs across 11 countries.There is little rain
降雨量很少,所以尼罗河非常重要。
in Africa.So the Nile is very important.
Speed up
1.Read and answer.读一读,回答。
Xu Xiake-→徐霞客
Xu Xiake is one of the most famous
徐霞客是中国最著名的旅行家之一。
travellers in China.He was interested in
他从小就对大自然感兴趣。他读了很多关
nature from a young age.He read many
于名山大川的书籍。他想亲眼去看看它们。
books about famous mountains and rivers.
He wanted to see them with his eyes.
英语六年级上WY
21
优品小课堂
Xu Xiake started to travel at the age of
徐霞客在21岁时开始旅行。他游历了
21.He visited many places in China.He
中国的很多地方。他描写了(许多)山川和
wrote about mountains and rivers,like
河流,像黄山和金沙江。如今,人们可以从
Mount Huangshan and the Jinsha River.
他的文字中了解他那个时代的中国。
From his words,people today learn about
the China of his days.
Xu Xiake loved nature.Some people-
徐霞客热爱大自然。有些人对它做出
did bad things to it.He was angry and了破坏行为。他很生气,总是呼吁人们去守
always called for people to take care of
护大自然。
nature.
He travelled for about30 years..He→他旅行了大约30年。他对自己的旅行
was happy with his life of travel."I went to
生活感到很满足。“我去过中国那么多奇妙
so many wonderful places in China.I had a
的地方。我度过了美好的一生。”
wonderful life.”
包重点词汇
natural world→自然世界
square kilometre→平方千米
run across→流动;通过,穿过
the Roof of the World>世界屋脊
be interested in→对…感兴趣
at the age of→在…岁时
重点句型
1.Mount Qomolangma is the world's highest mountain.It was 8,848.86 metres high in 2020.
→珠穆朗玛峰是世界最高峰。它在2020年的高度为8848.86米。
2.The longest river in the world is the Nile.It is about 6,671 kilometres long.
→世界上最长的河流是尼罗河。它大约有6671千米长。
3.一How big is it?→它有多大?
一It is over14 million square kilometres..→它的面积超过l400万平方千米。
英语六年级上WY
Unit3 Wonderful nature
Get ready~Start up
」知识加油站
一、根据句意及首字母提示补全句子。
1.The sunset over the wide g
looked so beautiful that we took a lot of
photos.
2.There is a clean I
in the mountain,and its water tastes sweet.
3.It's too dry in the d
so few plants can grow there.
4.The girl opened her eyes w
when she saw the big birthday cake on the
table.
5.Honey is a kind of n
food.
二、单项选择。
(
)1.Mount Qomolangma
8,848.86 metres high in 2020.
A.is
B.was
C.will be
D.are
)2.The Antarctic Desert is
desert in the world.
A.big
B.bigger
C.biggest
D.the biggest
()3.The Nile is
longest river in the world.
A.a
B.an
C.the
D./
()4.The Nile runs across 11
A.country
B.country's
C.countries
D.countrys
()5.Mount Qomolangma
higher in the future.
A.is
B.was
C.will be
D.are
三、补全对话。
A:Simon,what are you doing?
B:1.
十+十+十++++十十++++十+十++++”+"+++“+++
A.The longest river in China is the Changjiang River.
A:What is it about?
B.It's about 6,300 kilometres long
B:2.
C.I'm reading a book.
A:Wow,it sounds interesting.
D.Where is it?
What does it say?
E.It's about wonders of nature in China.
B:3
A:How long is it?
B:4.
And the biggest desert in China is the Taklimakan Desert
A:5.
B:It's in Xinjiang Province.
英语六年级上WY
23
优品小课堂
2
Speed up
山知识加油站
一、写出下列单词的最高级形式。
1.high
2.big
3.long
4.deep-
5.popular
6.famous
二、用方框中所给单词的适当形式补全句子。
x十十十十十十“十”十十十”十十十十十”十”十十十十”十十“
high
big
deep
wonder
grow t
4m
1.Mount Qomolangma is
a little taller every year.
2.There are many natural
on our planet,like the Grand Canyon(大峡谷).
3.The Pacific Ocean(太平洋)is the
ocean in the world.
4.The Mariana Trench(马里亚纳海沟)is the
place in the ocean.
5.I live on the
floor of this building and I can see the whole city from my
window!
三、根据句意及首字母提示补全句子。
1.The Great Wall is f
all over the world.
2.The fish live in a n
environment,not in a man-made pool.
3.There're many great w
in China.
4.The river is very d
so we can't swim here.
5.Nowadays,many y
people are out of work.
四、补全对话。
Lily:Wow,there are so many amazing wonders on earth,right?We really need to take good
care of our planet!
Tom:For sure!Wait!l.
Lily:It's Mount Qomolangma.In 2020,it was 8,848.86 metres high.And guess what?
2.
Tom:Cool!Then...is the Sahara Desert the biggest desert in the world?
Lily:Actually,no.3.
It's over 14 million square kilometres in size!
Tom:Wow!It's so big!4.
Lily:The Nile!5.
Africa has very little rain,so the Nile is super important
for people there.
Tom:These wonders are so incredible.Let's make sure we look after our earth well!
A.It's about 6,671 kilometres long,and it runs across 11 countries.
B.What's the world's highest mountain?
C.The biggest one is the Antarctic Desert.
D.What about the longest river?
E.It's growing taller every year!
十w个十十n十+
24
英语六年级上WY
Unit3 Wonderful nature
Fuel up
的知识加油站
一、判断句中画线部分的发音是(T)否(F)相同。
()1.My brother has a black dog.
)2.The brown bear is eating bread.
()3.A brush is on the blanket.
)4.Please block the blue door.
二、根据句意及首字母提示补全句子。
1.Our classroom is about six metres w
2.There are many w
of nature on earth.
3.This sea is over 100 metres d
4.The biggest w
in China is in Guizhou Province.
5.The Qinghai-Tibet P
is called“the Roof of the world”.
6.There are many sheep on the g
7.We should protect n
resources(资源)like clean water and fresh air.
8.We are going to row a boat on the l
this Sunday.
三、单项选择。
()1.Mount Qomolangma is the
mountain in Asia.
A.high
B.higher
C.highest
()2.Our new school's playground is
than the old one.
A.wide
B.wider
C.widest
)3.The Changjiang River is longer than the other rivers in China,and it's the
one.
A.long
B.longer
C.longest
()4.This swimming pool is the
-kids should swim with adults.
A.deep
B.deeper
C.deepest
()5.Elephants are
than tigers and lions.
A.big
B.bigger
C.biggest
四、用方框中所给单词的适当形式填空补全句子。
十十4十十4十十十十十4十
十十十十4十十十
waterfall
deep
young
wide
interest
1.The swimming pool in our community is 2.5 metres
2.The Huangguoshu
is one of the most beautiful waterfalls in China.
3.The new street is 10 metres
so cars can pass easily.
4.My little sister is
in the cartoon about animals.
5.My cousin is
than me-he's only 8 years old.
英语六年级上WY
25
优品小课堂
Hit it big
知识加油站
一、单项选择。
(
)1.Beijing is one of
cities in China.
A.big
B.bigger
C.the biggest
(
)2.I read many stories,but this story is
A.interesting
B.more interesting
C.the most interesting
(
)3.There are many
and rivers in my hometown.
A.lake
B.lakes
C.lake's
(
)4.
is the highest mountain in China.
A.The Great Wall
B.Mount Qomolangma
C.West Lake
)5.I can
photos on Mount Qomolangma.
A.take
B.takes
C.taking
二、根据下面五段英文描述,选择相应的图片序号填在横线上。
These are Zhangjiajie's famous tall rocks.They look like big soldiers
Look at this nice waterfall!It falls down the hills and makes'“splash”
sounds.2.
Cute monkeys live in Zhangjiajie's woods!They jump between trees
and play together.3.
Walk on this small path!It goes through green woods.You can
breathe clean air and hear birds sing.4.
Many people love this nice place-Tianmen Gate.Come and enjoy
Zhangjiajie's beautiful nature!5.
26
英语六年级上WY
Unit3 Wonderful nature
5
Wrap up
知识加油站
一、用方框中所给短语的适当形式补全句子。
+十十++十++十十十十+十十十十十十十+十十十十+十+十+++十十++十+十十+十
take care of
call for
at the age of with one's eyes
be happy with
十十十
1.The head teacher
all the students to help keep the school clean at
the morning meeting yesterday.
2.We should
the animals and plants around us.
3.Tom started to learn how to play the piano
seven,and now he plays
it beautiful.
4.I couldn't believe the robot could dance until I saw it
at the science
museum.
5.The teacher
our group project and gave us a big smile.
二、阅读短文,判断正(T)误(F)。
Xu Xiake was a great Chinese traveller.He was born in 1587.When he was young,he
was interested in books about mountains and rivers.He wanted to see these beautiful places
with his own eyes.
At the age of 21,Xu Xiake started his first trip.He travelled to many places in China,
such as Mount Huangshan,the Jinsha River,and Guilin.He walked most of the way.He
wrote down everything he saw in his notebooks.
Xu Xiake loved nature very much.When he saw people cutting down trees or polluting
rivers,he always stopped them.He travelled for about 30 years.His notebooks became a
famous book about China's nature.
()1.Xu Xiake was interested in books about history.
()2.Xu Xiake started his first trip when he was 21 years old.
()3.Xu Xiake travelled to many places in China.
()4.Xu Xiake never stopped people from polluting rivers.
)5.Xu Xiake's notebooks are very valuable to us today.
英语六年级上WY
27
优品小课堂
Let's explore
山知识加油站
一、根据句意,选择interested或interesting完成下列句子。
1.The film was so
that all the children laughed happily in the cinema.
2.My little sister is very
in drawing.She draws pictures for two hours
every day
3.I think science is the most
subject at school.I can learn a lot from it.
4.Are you
in coming to the music show with us this Saturday?It will be
great fun.
二、补全对话。
A:Hi,Yiyi!1.
B:I'm from Hangzhou.
A:Wow,it's a wonderful city.I want to visit it next year.2.
B:Of course I can.
A.Can you tell me something about it?
3.
B.You can walk around West Lake and enjoy beautiful
A:What can I do there?
scenes(景色).
B:4.
C.Where are you from?
A:What can I eat?
D.I think Dongpo Pork is very yummy.
B:5.
E.There are beautiful rivers,lakes,and ancient streets.
A:Thank you very much.
三、阅读短文,判断句子正(T)误(F)。
China has many wonderful places to visit.Here are three famous places.
Panjin is a city in Liaoning Province.It is famous for its Red Beach.It's a wetland in
China.The red colour comes from a special kind of plant.In autumn,the whole beach looks
like a red blanket.
Yangshuo is a town in Guangxi Zhuang Autonomous Region.It is famous for its karst
(hills and rivers.The green hills rise up like fingers,and the Lijiang River runs
quietly between them.Many people go there to ride bikes and go boating.
Zhangye is a city in Gansu Province.It has the amazing Rainbow Mountains.These
mountains have different colours like red,yellow,orange and green.They look just like a
rainbow on the ground.
If you love nature,you will love all these places!
()1.Panjin is famous for its Red Beach.
()2.The Red Beach is a wetland in China.
(
)3.Yangshuo is famous for its karst hills and rivers.
()4.The Rainbow Mountains are in Zhangye,Gansu.
()5.The Rainbow Mountains have only one colour-green.
英语六年级上WY
Unit3 Wonderful nature
单元复习
一、根据语境及首字母提示补全句子。
1.Xu Xiake was interested in n
from a young age.
2.The sign says,"No swimming in the l
!”
3.Last year,Jane came to China and she had a w
time here.
4.The river is very w
so we have to take a boat to cross it.
5.Lots of cows and sheep are walking on the g
二、选择与句子相符的图片。
业地
B.
)1.Sanjiangyuan National Park is the biggest national park of China.You can see
rivers,mountains,lakes and grasslands there.
(
)2.Serengeti National Park is one of the most famous national parks in Africa.Every
year,many animals move across it.
()3.Yellowstone National Park is the first national park in the USA.There are beautiful
lakes.And you can see grey black.It's amazing!
()4.Giant Panda National Park is one of the most famous national parks in China.You
can see many pandas here.
三、书面表达。
假设你是大明,你们班的交换生Tom想在暑假参观中国的自然奇观,请你写一封信,向
他推荐中国的自然景观。
1.Where is this place?2.How high/wide/deep is it?3.What's it famous for?
要求:语句通顺,逻辑合理;不少于6句话(不包含已给句子);介绍需涉及最高级表述。
Dear Tom,
I'm writing to tell you something about one of the greatest natural wonders in China.
英语六年级上WY
29三、听录音,根据对话内容选择正确的答案。
1.M:The winter holiday is coming soon.Where are
you going for holiday,Mary?
W:I plan to go to Canada with my parents.How
about you,John?
M:I'm going to Italy to visit my uncle.
Question:Where is John going for holiday?
2.M:Lily,where did you go last weekend?
W:I went to Hangzhou with my parents.
M:Hangzhou is a beautiful city.How did you go
there?
W:We took a high-speed train.
Question:How did Lily go to Hangzhou?
3.W:This summer,I will travel to Yunnan.I know
you're from Yunnan.Can you tell me some-
thing about it?
M:Of course.It's a beautiful place.The Water-
splashing Festival is a traditional festival for
the Dai people.They splash water on each
other to bring good luck to others.
W:That sounds interesting.
Question:Why do Dai people splash water on
each other?
4.W:Who is that man in this picture?
M:He is Zhang Qian.
W:What did he do?
M:He was one of the greatest travellers in China.
In 138 BC,he travelled from Chang'an to the
west.
Question:When did Zhang Qian start to travel
from Chang'an to the west?
5.M:What are you doing,Lily?
W:I'm writing an introduction to my hometown.
M:Wow,what does it say?
W:Beijing is my hometown.You can visit lots of
places of great interest,such as the Great
Wall,the Summer Palace,the Palace Muse-
um,Tian'anmen Square and so on.Beijing
Roast Duck is the most famous dish in Bei-
jing.
Question:What is the most famous dish in Bei-
jing?
六年级英语(
四、听短文,根据短文内容选择正确的答案。
My parents and I travelled to Thailand last
week.Thailand is known as a smiling country.Peo-
ple there are very friendly.The weather is hot and
the sunshine is strong.If you want to go there,re-
member to bring your sunglasses.In Thailand,you
can see many great temples.I visited the country's
most famous temple,the Temple of the Emerald
Buddha.Thailand also has many islands.Phuket is
the biggest island in the country.I think the most
interesting thing is boating.Thailand is also famous
for its delicious food.I ate a lot of curry dishes and
different kinds of fresh fruit.
参考答案
Unit 1 What do you do with money?
1 Get ready~Start up
一、l.pocket money2.How much3.spend
5.shopkeeper 6.take
二、1.B2.A3.E4.D5.C
三、1.B2.A3.A4.C5.C
四,l.books2.has3.spends4.save5.get
2 Speed up
一、l.gold2.golden3.smile4.shopkeeper
5.everything
二、1.B2.A3.B
三、l.called2.to turn3.wish4.asked5.isn't
四、1.A2.C3.B4.E5.D
3 Fuel up
一、l.shop2.crayons3.choices4.put
二、1.×2.×3.×4.√5.×
三、1.D2.B3.A4.E5.C
4 Hit it big
一、l.use to2,spend on3,share with
4.put in
二、l.golden2.into3.said4.to help5.smiled
三、1.A2.C3.B
5 Wrap up
-,1.spend 2.save 3.gold 4.shopkeeper
5.smile
上)—97
二、1.C2.D3.B4.E5.A
二,l.write to2.help with3.wants to
三、1.F2.T3.F4.T5.T
4.How about 5.next time
6 Let's explore
三、1.T2.F3.F4.T5.F
一,l.gold2.old3.wishes4.turned5.food
6 Let's explore
6.daughter 7.sad 8.asked 9.back
一、l.tell2.say3.talk4.told5.say6.speak
10.remember
7.say 8.talk
二、1.T2.F3.T
二、1.C2.B3.A4.E5.D
单元复习
三,l.shorter2.to paint3.angry4.thinks
一、l.so many2.wish for3.asked to
5.lines
4.come true 5.Long long ago
四、l.fact2.opinion3.fact4.opinion5.fact
二,l,is2.were3.is4.was5.are
单元复习
三、1.A2.B3.B
-,1.true 2.explore 3.fears 4.truth
Unit1听力训练
5.opinion
-、1.A2.B3.C4.C5.B
二、1.C2.E3.B4.D5.A
二、54231
三、略
三.1.B2.B3.B4.A5.B
Unit2听力训练
四、1.T2.F3.T4.F5.F
一、1.B2.B3.A4.B5.C
Unit 2 What's your opinion?
二、1.C2.B3.B4.B5.A
1 Get ready~Start up
三、1.C2.B3.A4.C5.A
一,l.opinion peel2.health3.than4.fact
四、1.F2.T3.F4.T5.F
5.better
Unit 3 Wonderful nature
二、1.B2.C3.C4.C5.C
三、1.B2.C3.A4.D5.E
1 Get ready~Start up
2 Speed up
一、l.grassland2.lake3.desert4.wide
-,1.peel 2.grey 3.lines 4.health
5.natural
二,l.without2.more careful3.peel4.sweeter
二、1.B2.D3.C4.C5.C
5.healthier
三、1.C2.E3.A4.B5.D
三、1.A2.B3.B4.C
2 Speed up
四、1.B2.D3.A4.E5.C
一、l.highest2.biggest3.longest4,deepest
3 Fuel up
5.most popular 6.most famous
一、1.truth2.better3.healthy4.goes5.to ask
二、l.growing2.wonders3.biggest4.deepest
二.1.B2.B3.C4.B5.A
5.highest
三、1.D2.A3.E4.B5.C
三、l.famous2.natural3.wonders4.deep
4 Hit it big
5.young
-.1.opinions 2.watching 3.freely 4.Reading
四、1.B2.E3.C4.D5.A
5.stories
3 Fuel up
二、1.C2.A3.B4.C5.A
一、1.F2.T3.F4.T
,1.explore 2.fears 3.trust 4.reasons 5.truth
二、l.wide2.wonders3.deep4.waterfall
5 Wrap up
5.Plateau 6.grassland 7.natural 8.lake
-,1.peel 2.health 3.explore 4.lines 5.truth
三、1.C2.B3.C4.C5.B
六年级英语(上)一98
四,l.deep2.Waterfall3.wide4.interested
二,l.keep off2.go out3.started to work
5.younger
4.on the way home 5.for sure
4 Hit it big
三、1.C2.A3.B4.E5.D
-、1.C2.C3.B4.B5.A
四、1.B2.C3.E4.A5.D
二、1.E2.D3.C4.B5.A
4 Hit it big
5 Wrap up
一,l.bottom2.windows3.material4,use
一、l.called for2.take care of3.at the age of
5.glue
4.with my eyes 5.was happy with
二、1.B2.B3.C4.A
二、1.F2.T3.T4.F5.T
三1.B2.A3.D4.C
6 Let's explore
5 Wrap up
-,1.interesting 2.interested 3.interesting
-、1.B2.D3.E4.A5.C
4.interested
二、1.B2.A3.C4.A5.C
二,1.C2.A3.E4.B5.D
6 Let's explore
三、1.T2.T3.T4.T5.F
一、l.oldest2.to solve3.strings4.feeder
单元复习
5.invented 6.easier 7.to see
一、l.nature2.lake3.wonderful4.wide
二、l.go on holiday2.was back3.in the middle of
5.grassland
4.throw away 5.water the plant
二、1.D2.B3.C4.A
三、1.D2.B3.E4.A5.C
三、略
单元复习
Unit3听力训练
-、1.C2.D3.E4.B5,A
一、1.T2.F3.T4.T5.T
二、任务一:l.C2.A
二、1.A2.B3.A4.C5.A
任务二:1.F2.T3.T
三、1.A2.C3.B4.C5.A
Unit4听力训练
四、1.F2.T3.F4.T5.F
-、1.A2.C3.C4.B5.B
Unit 4 We can do it!
二、54231
1 Get ready~Start up
三、1.B2.A3.C4.B
-,1.wheelchair 2.teeth 3.invention 4.bottom
四、l,cover2.glue3.sides4.connect5.hang up
5.easily
圈出A、C、E、F
二、l,worried2.idea3.middle4.Last
Unit 5 Health matters
5.worked
1 Get ready~Start up
三、1.D2.A3.B4.E5.C
一、l.fever2.toothache3.throat4.headache
2 Speed up
5.flu
-1.fold 2.string 3.cloth 4.fan 5.inventions
二,l.fever2.toothache3.runny4.headache
二、l.going to visit2.Take3.making4.his
5.throat
5.to work
三、1.C2.D3.B4.E5.A
三、1.B2.C3.B4.A
2 Speed up
四、1.B2.D3.E4.C5.A
一,l.blackboards2.likes3.take4.well
3 Fuel up
5.better
一、l.paper2.cloth3.cross4.fold5.leaf
二1.B2.D3.A4.E5.C
六年级英语(上)一99
三,l.reading2.can't3.wrong4.Don't
四、1.D2.C3.B4.E5.A
5.should
2 Speed up
3 Fuel up
一、l.by the road2.To my surprise
一、l.happy2.gladly3.runny4.times
3.with his own eyes 4.good luck
二,l.look the same2.listen to3.in the dark
5.get together
4.makes me happy 5.lots of
二、1.A2.C3.B4.C5.B
三、1.A2.C3.B4.D
三、l.In the south of China2.Short and small
四、1.B2.C3.E4.D5.A
3.Build strong houses
4 Hit it big
4.Not only good-looking,but also very useful
-、1.C2.A3.B4.B5.A
3 Fuel up
二、l.writing2.points3.healthy4.cola
-1.bridge 2.April 3.cultural 4.pretty
5.walking
5.view
三、1.B2.E3.D4.C5.A
二、1.A2.A3.C4.B
四、1.B2.A3.D4.C
三、1.C2.D3.A4.B
5 Wrap up
4 Hit it big
一、l.has a fever2.flew into3.stay away from
-,1.culture 2.places 3.local 4.How 5.travel
4.do eye exercises 5.go to the doctor
二、1.B2.C3.D4.E5.A
二、1.B2.A3.C4.A5.B
三,Chengdu pandas Hot pot by subway
三,l.have a stomachache2.have a cough
the Chengdu Food(答案不唯一)
3.do eye exercises 4.on the blackboard
四、1.D2.A3.B4.E5.C
5.look far away
5 Wrap up
6 Let's explore
-,1.view 2.neck 3.pretty 4.splash 5.cultural
-,1.headache 2.happiness 3.toothache 4.throat
二、l.can't2.have3.to celebrate4.them
5.lucky
5.fever
1.natural 2.well 3.worried 4.throat 5.less
三,1.B2.A3.C4.A
三、1.B2.C3.A
6 Let's explore
单元复习
一,l,learn2.found3.to visit4.came
5.cultural 6.best 7.lucky
一、l.how2.Sports3.need4.healthy5.should
二、1.C2.A3.E4.B5.D
二、1.D2.B3.A4.E5.C
三、1.B2.A3.C
三、略
单元复习
Unit5听力训练
一、l.lucky2.to celebrate3.to play4.went
-、1.A2.C3.B4.A5.C
5.cultural
二,1.A2.C3.C4.B5.A
二、l.What2.How3.What4.How5.How
Unit 6 See the world
三、l.fall down2.cultural3.have a walk
1 Get ready~Start up
4.to think about 5.a little
一、1-C2-A3-B4-E5-D
四、1.C2.C3.B4.A5.B
二,l.The UK2.Australia3.France4.Italy
6.C7.A8.C9.C10.B
5.Canada
Unit6听力训练
三,l.view2.How3.What4.bridge5.neck
-、1.B2.B3.C4.C5.B
六年级英语(上)一100
资源预览图