初中英语人教版（2024）八年级下册（2024）Section A教案配套ppt课件

这是一份初中英语人教版（2024）八年级下册（2024）Section A教案配套ppt课件，共23页。PPT课件主要包含了outgoing，smart，early，friendly，lazy，fast，thin，funny，最高级，比较级等内容，欢迎下载使用。
Learning bjectives
通过本节课的学习，学生能够：
1.复习并巩固形容词和副词比较级、最高级的基 本用法，进一步总结并积累用于比较事物的表 达结构。2. 总结和梳理大数字的表达方法，能较熟练地读 写描述自然景观的数据。3. 掌握有关地理之最及其高度、长度、深度、面 积等信息的核心问句和答语。4. 增强对自然奇观的敬畏感，在对比中感受自然 之美，树立保护自然的意识。
Play a game
Say ut the cmparatives and superlatives f the wrds as quickly as yu can.
Read and circle
Read the sentences. Circle the adjectives which cmpare things. Underline the adverbs which cmpare actins.
Srt the wrds r phrases int different grups.
Observe and srt
Read the sentences and fill in the blanks.
Read and fill
结构：ne f + the + 形容词 + 名词 数。表示“最……的……之一”。
结构：the + + 形容词 +名词 数。表示“第几最……的……”。
There are sme errrs in these sentences. Read and crrect them.
Judge and rewrite
The Yangtze River is ne f the biggest rivers in the wrld.
The Nile is ne f the lngest rivers in the wrld.
Munt Qmlangma is ne f the highest muntains in the wrld.
K2 is the secnd highest muntain in the wrld.
The Yellw River is the secnd lngest river in China.
表示“和……一样……”，用来说明两个人、两件事物在某一方面程度相同。 中间要用形容词或副词的 级。
Read and summarize
Read the sentences and summarize the rules fr reading large numbers.
It is abut 9, 000, 000 square kilmetres in size.
It is abut 11, 000 metres deep.
The Yangtze River travels the farthest in China and is abut 6, 300 kilmetres lng.
从数字的右端向左数，每 位数加一个“,”。从右向左，第一个逗号处读 (千)，第二个逗号处 读 (百万)，第三个逗号 处读 (十亿)。
nine millin
eleven thusand
six thusand three hundred
The cean is abut 1, 000, 000, 000 square kilmetres in area.
ne billin r a billin
Read the numbers and summarize the rules fr reading large numbers.
英式英语中，读的时候通常在hundred后加 ，如果百位数为0，则在thusand后加 。英语中没有直接表示“万”和“亿”的单位词，而要用thusand 和millin来表达，如“一万”用“ ”、“一亿”用“ ”。
ne hundred billin, nine hundred millin, eight hundred and frty-eight thusand, three hundred
fifteen millin, fur hundred and eighty-three thusand, and thirty-fur
ten thusand
ne hundred millin
Lk and fill
—Hw 1. _____ is the Yangtze River?—It’s 2. _______________________ (6,300) kilmeters lng.
six thusand, three hundred
Lk at the pictures and fill in the blanks.
—Hw high is Qmlangma?—It’s 1. _________________________________________ __________ (8,848.86) 2. ___________.
eight thusand, eight hundred and frty-eight pint
meters high
—1. _________ is the Sahara Desert?—It’s 2. _____________ (9,000,000) square kilmeters in size.
—S. + be + ______________ + kilmeter(s)/meter(s)… + ____/in size.
Can yu mark the questin sentences?
Hw can yu answer them?
number (1, 2…)
—Hw + ___________________ + be + S.?
1. —Hw lng is the Yangtze River? —It’s 6,300 kilmeters lng.2. —Hw high is Qmlangma? —It’s 8,848.86 kilmeters high.3. —Hw big is the Sahara Desert? —It’s 9,000,000 square kilmeters in size.
adj. (lng, high, big…)
Read and cmplete
Cmplete the passage with the crrect frms f the wrds in the bx.
My friends and I visited Victria Falls in Africa last year. Visiting ne f the wrld’s waterfalls was a magical experience. As we went t the falls, the nise f the water slwly grew and luder. Then, right befre ur eyes, the waterfall appeared. It went n fr as as the eye culd see. Later, we sat in a special pl at the tp f the falls. There, we felt the water rush past us and becme a part f the waterfall. It was the scariest but als the experience f ur trip!
mst amazing
large amazing far clse lud
Read and write
Write r spell ut the numbers.
1. Munt Kilimanjar is (five thusand, eight hundred and ninety-five) metres high.2. (twenty-five thusand, seven hundred and sixty-eight) cubic metres f water purs dwn Inga Falls each secnd.3. The East African Rift Valley is abut 4,000 ( ) miles lng.4. The Taklimakan Desert has a ttal area f abut 337,000 ( ) square kilmetres.
three hundred and thirty-seven thusand
fur thusand
Think and answer
Think and answer the questins.
1. Munt Kilimanjar is 5, 895 metres high.2. 25, 768 cubic metres f water purs dwn Inga Falls each secnd.3. The East African Rift Valley is abut 4,000 miles lng.4. The Taklimakan Desert has a ttal area f abut 337,000 square kilmetres.
What des each f the numbers represent?
Why d we add ‘high’ and ‘lng’ after the unit fr height and length?
Ask and answer
Cnduct a “Mini Gegraphy Quiz”. Ask and answer questins based n yur research.
What is the biggest desert in the wrld?
What is the lngest river in China?
Which is ne f the greatest wnders f the wrld?
Which is deeper, the Mariana Trench r a cmmn sea area?
The Sahara. It’s abut 9, 000, 000 square kilmetres.
The Yangtze River. It’s abut 6, 300 kilmetres lng.
Munt Qmlangma.
The Mariana Trench.
What is the 
Which park is bigger, ... r
1. Munt Kilimanjar is _____________________________________ (5, 895) metres high.2. The Sahara Desert is the _________ (big) desert in the wrld, and it’s abut 9,000,000 square kilmetres in size.3. The Yangtze River is abut _______________________ (6, 300) kilmetres lng, and it travels ____________ (far) in China.4. The Mariana Trench is abut _______________ (11, 000) metres deep, and it’s the ________ (deep) pint in the cean.5. The Taklimakan Desert has a ttal area f abut ____________________ ____________________ (337, 000) square kilmetres.
Read and cmplete the sentences.
five thusand, eight hundred and ninety-five
the farthest
three hundred and
thirty-seven thusand
After learning this lessn, I can
use adjectives and adverbs t cmpare things r actins.
as + adj./adv.原级 + asA + be + the + adj.最高级 + f the + adj.最高级 + n.复数.A + v. + adv.最高级 + in/f...
read and write large numbers accurately.
Cunt frm right t left.Put cmmas every three digits.Read each grup f three digits separately.Use thusand, millin, and billin t name large numbers.