初中Section A优秀ppt课件

这是一份初中Section A优秀ppt课件，共18页。PPT课件主要包含了Height，Volume，length，Size，Inga Falls，东非大裂谷，largest，closer，louder，far等内容，欢迎下载使用。
Learning Objectives
复习并巩固形容词和副词的比较级和最高级的用法，总结和积累用于比较事物的不同语言结构;总结和梳理大数字的表达法，并理解英文数字表达法的特点;掌握有关地理之最及其高度、长度、深度、面积等信息的问句和答语，使用形容词和副词的比较级、最高级和大数字描述自然景观，对大自然的神奇产生热爱与敬畏。
Read the sentences and think.
1. What are these sentences abut?
2. Hw t describe these natural wnders?
Gegraphical facts.
Read the sentences. Circle the adjectives which cmpare things. Underline the adverbs which cmpare actins.
deep－deeper－deepest
far－farther－farthest
big－bigger－biggest
great－greater－greatest
Review: Hw d we use adjectives and adverbs t cmpare?
Appla A is as big as apple B.
Appla A is smaller than apple B.
Apple A is the biggest in the tree /amng all the apples/f all the apples.
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.
Write r spell ut the nunbers.
fur thusand
three hundred and thirty-seven thusand
What des each number represent?
/maɪl/ n. 英里
/ˈkjuːbɪkk/ adj. 立方的
/ˌkɪlɪmənˈdʒɑːrəʊ/
/ˌtækləˈmɑːkæn/
长/高/宽/深度Length/Height/width/depth
Put the measurement units int the crrect bxes.
kilmetres high
metres deep
square kilmetres in size/in area
metres wide
centimetres tall
cubic metres each secnd (m³/s)
基数词 + 单位词 + 形容词（lng, wide, high, deep, tall ...）基数词+单位词+ in+名词 （length, width, height, depth, area, vlum, size...）
millimetres lng
Inga Falls are rapids n the lwer Cng River. They are in western Demcratic Republic f the Cng.因加瀑布是刚果河下游的一处急流。它位于刚果民主共和国西部。
The Taklimakan Desert
The Taklimakan Desert, China's largest desert in the Xinjiang Uygur Autnmus Regin, is famus fr its huge sand dunes that ften change shape with the wind.塔克拉玛干沙漠位于新疆维吾尔自治区，是中国最大的沙漠，以其巨大的沙丘闻名，这些沙丘常常随风改变形状。
The East African Rift Valley
The East African Rift Valley is in eastern Africa and ges thrugh many cuntries. It is famus fr its great length, special landfrms such as lakes and muntains, and beautiful natural scenery.东非大裂谷位于非洲东部，横跨多个国家。它以绵长的长度、湖泊和山脉等独特地貌，以及别具一格的自然风光而闻名。
/ˌtænzəˈniːə/
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!
large　 amazing　 far　 clse　 lud
mst amazing
Cmplete the passage with the crrect frms f the wrds in the bx.
Write sme questins t cmpare places. Then ask a partner yur questins.
• What is the highest 　　• Which park is bigger, ... r
What is the httest city, Sanya r Changsha?Which river is lnger, the Yangtze River r the Yellw River?What is the mst beautiful beach in yur cuntry?Which muntain is higher, Munt Tai r Munt Huang?Which place is mre crwded n weekends, the supermarket r the park?...