Unit 7 What’s the highest mountain in the world? SectionA (1a-1c) (共32张PPT无音视频)

课件32张PPT。

八年级英语下册：Unit 7
What's the highest mountain in the world?


教材版本：人教版（Gor for it!）
1. Do you know the mountain?
2. What's its name?
3. How high is it?
4. Can you tell me something about it?Unit 7
What's the highest mountain in the world?
Section A 1a~1cObjectivesTo learn to express large numbers.
To talk about the top of the world.
To learn new words: square, meter, deep, desert, kilometer, Asia, Qomolangma, the Nile, the Caspian sea, the Saharasquare
meter
deep
desert
population
Asia
kilometer
in sizen. 平方；正方形
n. 米；公尺
adj. 深的；纵深的
n. 沙漠
n. 人口；人口数量
n. 亚洲
n. 千米，公里
大小，面积Qomolangma
the Nile
the Caspian sea
the Sahara
the Yangtze River
salt lake
珠穆朗玛峰
尼罗河
里海
撒哈拉沙漠
长江
咸水湖Do you know these places? Qomolangma runs along the border（边界） between China and Nepal. It is covered with snow all the year round. It’s 8844.43 meters high, the highest mountain in the world. The Nile is the longest river in the world. It’s more than 6600 kilometers long. The Caspian Sea is the biggest lake in the world. It lies in（位于） the border between Asia and Europe. The Sahara is the biggest desert in the world. It is located in the northern Africa. Climate conditions（气候条件） are very bad. The Yangtze River is the third longest river in the world, the first longest Asian rivers. It’s 6211.31 kilometers long.Presentation
Part 1 A Guessing Game'' What's it''
(1a)Can you read the numbers?2 7 10 12
15 20 34 57
89 100 112 2009,600,000 nine million six hundred thousand 1,025 one thousand and twenty five6,671 six thousand six hundred and
seventy one8,844.43 eight thousand eight hundred and forty four point four threeQomolangmathe highest mountain in the world8844.43 meters highthe Saharathe biggest desert in the worldAbout 9,600,000 km2 in sizethe Caspian Seathe deepest of all the salt lakes1,025 meters deepthe Nilethe longest river in the world6,671 kilometers long1aMatch the facts you know.…8,844 meters high. …8,844米高
… meters high (long, wide…)
……米高（长，宽……)。
英语表示“有多长（宽，高……）”时，一般将数词和数量单位放在表示长宽高的形容词前作状语。
e.g. The wall is 1.7 metres wide.Explaination 形容词和副词的比较级最高级规则变化
1.一般+er/est eg：cold strong fast slow
2.以字母e结尾+r/st eg：nice large
3.词尾只有一个辅音字母时，应先双写辅音字母+er/est eg: thin fat4.以“辅音字母+y”结尾的双音节词，先改“y”为“i”,+er/est eg: funny easy
5.多音节词和部分双音节词，在词前加more/most eg: beautiful serious
　
不规则变化 good / well – better - best much / many – more - most
bad / badly / ill – worse – worst
little – less – least
far – farther/ further– farthest – furthest
old – older/ elder – oldest / eldest一 写出下列单词的比较级和最高级1. good
2. comfortable
3. big
4. happy
5. cheap
6. many
7. difficult
8. little 1. good
2. comfortable
3. big
4. happy
5. cheap
6. many
7. difficult
8. littlebetter bestmore ～ most ～bigger biggesthappier happiestcheaper cheapestmore mostmore ～ most ～ less least Part 2 : Listening
1b Listen and complete the sentences.1. Qomolangma is ______ than any other mountain in the world.
2. The Sahara is ____________ desert in the world.
3. The Caspian Sea is ____________ of all the salt lakes.
4. The Nile is _________ river in the world.higherthe biggestthe deepestthe longest1c Use the information in 1b to make conversations.What is the highest mountain in the world?Qomolangma.What is the … in the world?….Practice in pairs like this:
A: Which is the highest mountain in the
world?
B: It’s Qomolangma.
A: How high is Qomolangma?
B: It’s 8,844.43 meters high.
Part 3 PracticeA: What is the … in the …?
B: …
A: How deep/ big/ long is…?
B: It’s … meters/ kilometers ….
Exercises:
1.Yangtze River is______river in Asia.
A.long B. longer
C. longest D. the longest
D
2.China is one of the oldest_____ in the world.
A.villages B. towns
C. cities D. countries
D
3.Qomolangma is 8844.43 meters______.
A.deep B. long
C. high D. big
CHomework 1. Remember the important words and expressions.
2. Write down your own conversations in 1c.