八年级英语下册Unit 7 What's the highest mountain in the world Section A（1a-2d）（共48张PPT，无音频）

(共48张PPT)
Period 1 Section A(1a-2d)
Unit 7 What’s the highest mountain
in the world
教材原图
Qomolangma/'t m lɑ m / the Nile/na l/
the Caspian/'k spi n/ Sea the Sahara/s 'hɑ r /
1a Match the facts you know.
Qomolangma about 9,000,000 square /skwe /, /skwer/ kilometers in size ①
The Sahara 1,025 meters/'mi t (r)z/ deep /di p/ ②
The Caspian Sea 6,671 kilometers long
The Nile 8,848.86 meters high
1b Listen and complete the sentences.
1. Qomolangma is _________ than any other mountain in the world. ③
2. The Sahara is ____________ desert/'dez (r)t/ in the world.
3. The Caspian Sea is ______________ of all the salt lakes.
4. The Nile is ____________ river in the world.
higher
the biggest
the deepest
the longest
1c Use the information in 1b to make conversations.
A: What is the highest mountain in the world
B: Qomolangma.
1
2a Listen and number the facts [1-4] in the order you hear them.
6,300 5,000 5,464 300
______ The Yangtze/'j tsi/ River is about _______ kilometers long and the Yellow River is ________ kilometers long.
______ China has the biggest population/p pju'le n/, / pɑ pju'le n/in the world. ④ It’s a lot bigger than the population of the US.
______ China is over _______ years old. It has a much longer history than the US. The US is not even __________ years old.
______ China is about the same size as the US, and it is the biggest country in Asia/'e /, /'e /.
热爱我们的祖国,热爱祖国的大好河山。
2
3
4
6,300
2b Listen again and fill in the blanks in 2a with the numbers in the box.
6,300 5,000 5,464 300
______ The Yangtze/'j tsi/ River is about _________ kilometers long and the Yellow River is _________ kilometers long.
______ China has the biggest population/p pju'le n/, / pɑ pju'le n/ in the world. It’s a lot bigger than the population of the US.
______ China is over _________ years old. It has a much longer history than the US. The US is not even _________ years old.
______ China is about the same size as the US, and it is the biggest country in Asia/'e /, /'e /.
5,464
5,000
300
2c Make conversations using the information in 2a.
A: Did you know that China is one of the oldest countries in the world
B: Yes, I did. It’s much older than my country.
2d Role-play the conversation.
Guide: Feel free to ask me anything on today’s Great Wall tour/t /, /t r/. ⑤
Tourist /'t r st/, /'t r st/1: How long is the wall /w l/
Guide: Ah, the most popular question! If we’re only talking about the parts from the Ming Dynasty/'d n sti/, /'da n sti/, it’s about 8,850 kilometers long. This makes it the longest wall in the world.
Tourist 2: Wow, that’s amazing/ 'me z /! ⑥Why did the ancient /'e n nt/ emperors build the wall ⑦
Guide: The main reason was to protect/pr 'tekt/ their part of the country. ⑧As you can see, it’s quite tall and wide/wa d/. As far as I know, there are no other man-made/ m n'me d/ objects as big as this. ⑨
Tourist 3: Is Badaling part of the Ming Great Wall
Guide: Yes, it’s the most famous part.
动词不定式
短语作表语
1 about 9,000,000 square kilometers in size
square /skwe /, /skwer/ adj. 平方；正方形的 n. 正方形；广场
square 意为“平方”，常用于数字后面表示面积。square meter 平方米；square kilometer 平方千米。
The kitchen is 12 square meters in area. 厨房的面积为十二平方米
The book had rounded, not square, corners.
这本书是圆角的，而不是方角的。
First break the chocolate into squares. 先把巧克力掰成方块。
The hotel is just off the main square. 旅馆就在主广场附近。
谚语记单词
A square peg tries to fit into a round hole.
方枘圆凿。
谚语
The pen is mightier than the sword. 笔尖胜过干戈。
考题1: Tiger Hill covers an area of about 14, 100
s meters and is 36 meters high.
quare
返回
2 1,025 meters deep
meter /'mi t (r)/ n. 米；公尺
The table is two meters long. 这张桌子长两米。
拓展：表示长度单位的名词：mile 英里；foot 英尺；inch 英寸；kilometer 千米；meter 米；decimeter 分米；centimeter 厘米；millimeter 毫米。
敲黑板 meter 为可数名词。英式英语拼写为metre。
小贴士
英语中，表示“物体的长、宽、高、深”时，表达为“基数词+单位词+ 形容词（long，wide，high，deep）”或“基数词+单位词+ in +名词（length，width，height，depth）”。
考题2: It is reported that the height of Qomolangma is 8,848.86 m .
eters
(2)deep /di p/ adj. 深的；纵深的
I awoke from a deep sleep. 我从沉睡中醒来。（作定语）
The water was three feet deep. 水有三英尺深。（作表语）
I heard that a man jumped into a deep hole to save a child and the hole is about two meters in depth. His story touched me deeply. 我听说一位男士跳进一个深洞去救一个孩子，那个洞大约有两米深。他的故事深深打动了我。
deep 的词形变化：
deeply adv. 深深地
depth n. 深（度）
谚语
Still waters run deeply.
静水流深。
拓展：deep 作形容词还有“深（呼吸）的；（颜色）深的；（声音）低沉的”之意。
He took a deep breath and then walked to the stage.
他深深地吸了口气然后走向舞台。
Here you can see the deep blue sea.
在这里你能看见深蓝色的大海。
I heard his deep voice filling the whole room.
我听到他低沉的声音充满了整个房间
考题3: Some desert plants grow d into the earth to get water.
eeply
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3 Qomolangma is ________ than any other mountain in the world.
(重点)any other 其他任何一个
any other 指在同一范围之内除了某人或某物以外的其他任何一个人或物，后接可数名词单数，也可以说“the other + 可数名词复数”。常用于比较级的句型中，表示最高级的含义。
Tom runs faster than any other student in his class. = Tom runs faster than the other students in his class. 汤姆比他班上其他任何一名学生都跑得快。
China is larger than any other country in Asia.中国比亚洲其他任何一个国家（的面积）都要大。（中国是亚洲的一个国家）
China is larger than any country in Africa. 中国比非洲任何一个国家（的面积）都大。（中国不属于非洲）
特别提醒
如果比较对象不在同一范围内或不属于同一类别，应用“形容词/ 副词比较级+than any +可数名词单数”。
考题4: Qinghai Lake is larger than _______ salt lake in China.
A. any B. any other C. other D. another
B
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4 China has the biggest population in the world.
(高频)population /p pju'le n/, /pɑ pju'le n/ n. 人口；人口数量
作主语时，表示整体人口，谓语动词用第三人称单数形式。population前被分数或百分数修饰时,谓语动词用单复数形式均可。
The population of this city is close to one million.
这个城市的人口接近一百万。
About 60% of the population in this area are/ is farmers.
这个地区大约60% 的人口是农民。
特别提醒
（1） 表示人口的多或少，通常用large 或small。
（2） many, much 或few 不能修饰population。
拓展： (1)询问人口数量时，用“What’s the population of... ” 或“How large is the population of... ”。
What is the population of this country
这个国家的人口数量是多少？
(2)表示“某地有多少人口”时，用“...have/ has a population of +数词”或“The population of... is + 数词.”。
The country has a population of 100 million. = The population of the country is 100 million. 这个国家有一亿人口。
= How large is the
population of this country
谚语
Good medicine tastes bitter but is beneficial to the sickness. 良药苦口利于病。
考题5: The p of the village is over 2,000.
opulation
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5 Feel free to ask me anything on today’s Great Wall tour.
(1) feel free（可以）随便（做某事）
I made a lot of sweets, so feel free to eat whatever you like. 我做了许多甜点，所以无论你喜欢什么都随便吃。
Our teachers always allow us to feel free to express our thoughts in class. 我们的老师们总是允许我们在课堂上自由地表达我们的想法。
敲黑板 feel free是常用的英语口语表达，后接动词不定式。
考题6: Feel free __________ (ask) me anything on today’s school trip.
to ask
(2)tour /t /, /t r/ n.& v. 旅行；旅游
tour 为可数名词。常指旅游后回到原出发地，距离可长可短。
We are going on a tour of the city this afternoon.
我们今天下午要去这座城市旅行。
They went on a tour around Europe last
month. 上个月他们环游了欧洲。
tour的常用搭配：
① a tour of...
……之旅
② a tour around...
环……的旅行
拓展：(1)tour 作动词时，意为“在……旅游；在……巡回演出（或做宣传广告等”。
She plans to tour around the world. 她打算周游世界。
She toured the country promoting her book.
她在全国巡回推销自己的书。
(2) tourist 是名词，意为“旅行者；观光者”。
Many foreign tourists are interested in the development of China. 许多外国游客对中国的发展感兴趣。
语境串记
My tour was wonderful. But there were too many tourists there. 我的旅行很棒。但是那里的游客太多了。
考题7: Every year, Yangzhou offers a magical and special experience for its __________（tour）.
tourists
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【点拨】tour “旅行”，此处指为游客提供神奇而特殊的体验，应为tourist“游客”，游客不止一人，故用其复数形式。
6 Wow, that’s amazing!
amazing / 'me z / adj. 令人大为惊奇的；令人惊喜(或惊叹)的
辨析：amazing 与amazed
amazing 意为“令人惊奇的”，其主语或所修饰的词通常指事或事物，在句中作表语或定语。
amazed 意为“感到惊奇的”，其主语通常是人，在句中常作表语。be amazed at 对……感到惊奇。
拓展：amaze 是动词，意为“使惊奇”。
The result amazed them a lot. 这个结果使他们很惊奇。
一语辨异
This was an amazing story. We were all amazed at it. 这是一个令人惊奇的故事。我们都对它感到惊奇。
考题8: In autumn, leaves fall off and make an ______________（令人惊奇的） scene.
amazing
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7 Why did the ancient emperors build the wall
ancient /'e n nt/ adj. 古代的；古老的
Many things from ancient times can still be found in Xi’an today.
今天在西安仍然可以找到许多古代的东西。
This is an ancient invention.
这是一项古老的发明。
特别提醒
(1) ancient 常作定语修饰名词。ancient 的读音以元音音素开头，其前有不定冠词时要用an。
(2) the ancients 意为“ 古代人”，作主语时谓语动词用复数形式。
考题9: In Egypt, they visited the palaces and towers of __________ （古代的）kings and queens.
ancient
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8 The main reason was to protect their part of the country.
(高频) protect /pr 'tekt/ v. 保护；防护
He wears sunglasses to protect his eyes against/ from the strong sunlight.
他戴上太阳镜以保护他的眼睛不受强烈阳光的照射。
Many trees are planted every year to protect the environment.
每年种很多树以保护环境。
Some wild animals need our protection, because they are in great danger now.
一些野生动物需要我们的保护，因为它们现在处于极度危险之中。
Workers should wear full protective clothing.
工人们应该穿着全套防护服。
protect 的常见搭配：
① protect... from/against... 保护……免受……
② protect the environment 保护环境
protect 的相关词形：
① protection n. 保护
② protective adj. 防护的
考题10: Don’t throw away rubbish everywhere. It’s everyone’s duty to p the environment.
rotect
返回
9 As far as I know...
as far as I know 就我所知
As far as I know, more and more students like reading in the library. 就我所知，越来越多的学生喜欢在图书馆里阅读。
You can see as far as the coast. 你可以看到远至海岸的地方。
as far as 还可以表示“和……一样远；远到……”。
as far as I know 相当于so far as I know，常用于句首。as far as 意为“ 就…… 来说”，常与动词know, see, remember 等连用。
as far as 的常见搭配：
as far as I can remember 据我所记得的
as far as I can see 依我所见
考题11: 就我所知，越来越多的人喜欢爬山。
________________, more and more people enjoy climbing mountains.
As far as I know
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