初中英语冀教版八年级下册Lesson 38 The World Is a Big Place教案设计

这是一份初中英语冀教版八年级下册Lesson 38 The World Is a Big Place教案设计，共17页。PPT课件主要包含了million 百万，billion 十亿，Summary等内容，欢迎下载使用。

Lessn 38 The Wrld Is Big a Palce
planet /'plænɪt/ n. 行星billin /'bɪljən / n. 十亿，千兆ttal /'təutl / n. 总计；总数increase / ɪn'kriːs /v. 增加；增大surface /'sɜːfɪs/ n. 表面；表层Indian /'ɪndjən/  adj. 印度的 n. 印度人Atlantic /æt'læntɪk/ n&adj. 大西洋（的）Arctic /'ɑːktɪk /adj. 北极的
1,000,000,000
increase 和 decrease
Listen t the passage and answer the questins
1.When was the wrld’s ppulatin ver 7 billin in ttal? In the year will the wrld have abut 8 billin peple ? By may the wrld’s ppulatin reach 9 billin? By many cntinents des the wrld have? what are they? There are seven many ceans des the wrld have? what are they? There are fur main ceans.
There are seven cntinents.
Asia非洲Africa亚洲Australia南美洲Antarctica北美洲Eurpe欧洲Nrth America南极洲Suth America大洋洲
There are fur main ceans.
the Pacific Ocean大西洋the Indian Ocean北冰洋the Atlantic Ocean太平洋the Arctic Ocean印度洋
Knwledge pint
年份的读法：一般情况把表示年份的四位数字按前后分为 两组，每一组的数字用基数词来读。 2010读作：twenty ten 2025读作：twenty twenty-five 2050读作：twenty fiftyby 2025 by: 到……之前；不迟于hundred, thusand, millin, billin这些都是英语的计数单位与具体数字连用不加S，除非短语hundreds f, thusands f, millins f;billins f
Antarctica is cvered with snw and ice all year rund. 南极洲常年被冰雪覆盖。be cvered with 被……覆盖（be + 动词过去分词称之被动语态）all year rund 一年到头
一.英汉短语互译1．三分之一_______________________________________ 2．被……覆盖______________________________________ 3．all year rund_____________________________________ 4．tw thirds________________________________________ 5．in the future______________________________________  
be cvered with..
1. Tw ______ (three) f the earth surface is ceans. 2. The earth is a special ne f all the ______ (planet).3. There are ________ f peple in the wrld. A. billin　 B. billins C. seven billin D. seven billins4. _______ f the earth’s surface is water. A. One third B. One thirds C. Tw third D. Tw thirds
Finish the exercise.Write a shrt passage abut hw t prtect ur nly hme——— the earth.