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冀教版八年级下册Lesson 38 The World Is a Big Place教课内容课件ppt
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这是一份冀教版八年级下册Lesson 38 The World Is a Big Place教课内容课件ppt，文件包含八下Unit7-38pptx、Lesson38mp3、SevenContinentsmp4等3份课件配套教学资源，其中PPT共36页， 欢迎下载使用。
Let’s enjy!
Hw many cntinents are there in the wrld? What are they?
What d yu knw abut the place where yu live?
There are many planets in the universe.
planet [ˈplænɪt] n.行星
Bilgical systems have been ding this fr billins f years.
billin [ˈbɪlɪən] n.十亿；千兆billins f 数十亿的
The cmpanies have 1,770 emplyees in ttal.
ttal [ˈtəʊtl] n.总计；总数 adj.总的；总计的in ttal 总共
The cmpany’s sales are increasing.
increase [ɪnˈkriːs] v.增加；增大
surface [ˈsɜːfɪs] n.表面；表层the surface f ……的表面
The surface f the sea lks calm.
Indian [ˈɪndɪən] adj.印度的 n.印度人India n.印度
Many Indian girls are gd at dancing.
Atlantic [ætˈlæntɪk]n.&adj.大西洋（的）
The Atlantic Ocean separates America frm Eurpe.
Arctic [ˈɑːktɪk] adj.北极的
Plar bears live in the Arctic part.
planetbillinttalincreasesurfaceIndianAtlantic Arctic
n. 行星n. 十亿；千兆n. 总计；总数 adj. 总的；总计的v. 增加；增大n. 表面；表层adj. 印度的 n. 印度人n. 大西洋（的）adj. 北极的
面对一个大问题总计；合计；总共迅速增长世界人口三分之一地球表面的三分之二被称为
face a big prblem in ttal increase very quickly the wrld’s ppulatin ne third tw thirds f the earth’s surfacebe called
被……覆盖用……于……被好好对待在其他六个大洲上
be cvered with… use… fr be treated well n the ther six cntinents
1. When was the wrld’s ppulatin ver 7 billin in ttal?2. When will the wrld have abut 8 billin peple ?3. Hw many cntinents des the wrld have? 4. Hw many ceans des the wrld have?
In the year 2010.
There are fur main ceans.
Hw many cntinents and ceans des the wrld have? Can yu pint them ut?
The earth is a very special planet, and it faces a big prblem. In the year 2010, the wrld’s ppulatin was ver 7 billin in ttal. It is increasing very quickly. By 2025, the wrld may have abut 8 billin peple. And by 2050, the wrld’s ppulatin may reach 9 billin.There is anther prblem. Peple can’t live everywhere n the earth. We can’t live in water,
and nly abut ne third f ur planet is land. But parts f this land are very dry. These dry places are called deserts. Sme areas have very high muntains. Others have a lt f snw and ice. It is nt easy t live in thse places.There are seven cntinents: Asia, Africa, Australia, Antarctica, Eurpe, Nrth America and Suth America. Antarctica is cvered with
snw and ice all year rund. Luckily, peple can live n the ther six cntinents. On these cntinents, there are green frests, fresh water and rich lands.Oceans cver tw thirds f the earth’s surface. The earth has nly ne big cean, but we use these names fr its different parts: the Pacific Ocean, the Indian Ocean, the Atlantic Ocean
and the Arctic Ocean. The Pacific Ocean is the largest ne.The earth is ur hme nw, and it will be ur hme in the future. It must be treated well fr ur children and fr ur children’s children, t!
(1) billin前有数词修饰时，billin不能用复数形式。billins f意为“数十亿的”，表示不确定的数量。e.g. Wrldwide sales reached 2.5 billin. 全球销售额达到了25亿。 There are billins f peple in the wrld. 世界上有数十亿人。
Language pints
1. In the year 2010, the wrld’s ppulatin was ver 7 billin in ttal.
(2) ttal n. 总计；总数 adj. 总的；总计的a ttal f修饰可数名词复数时，其谓语动词用复数形式。the ttal f...后的谓语动词一般用单数形式。e.g. Out f a ttal f 15 games, they nly wn 2. 在总共15场比赛中，他们只胜了2场。 In ttal ver 1,000 peple attended the cnference. 共计一千多人参加了这个会议。
increase 增加；增大；增长；增强 increase by+倍数/百分数 增加了……倍/百分之……increase t+具体数字 增加到……e.g. The cmpany has increased the number f the prducts. 公司提高了产品的数量。
2. It is increasing very quickly.
ne third 三分之一分数表达法：分子用基数词，分母用序数词。分子如果大于1，分母用复数形式。注意：①二分之一不能说a/ne secnd，而要说 a/ne half。②四分之一和四分之三常用a quarter和three quarters表示。
3. We can’t live in water, and nly abut ne third f ur planet is land.
③当“分数＋f+名词”结构作主语时，谓语动词的单复数取决于f后面的名词。名词为可数名词复数，谓语动词用复数；名词为不可数名词，谓语动词用单数。
e.g. One third f the students are girls in ur grup. 我们队三分之一的学生是女生。 Only ne-fifth f air cnsists f xygen． 氧气只占空气的五分之一。
treat v. 对待；看待treat sb. as... 把某人看作……treat/regard sb. with... 以……对待某人e.g. They treat the dg as a member f their family. 他们把狗视作家庭的一员。 She treats every child with kindness. 她用善心对待每个孩子。
4. It must be treated well fr ur children and fr ur children’s children, t!
Paragraph 1 a. Six f the seven cntinents are gd fr peple t live n. Paragraph 2 b. We shuld treat the earth well. Paragraph 3 c. An increasing ppulatin is a big prblem fr the earth. Paragraph 4 d. Tw thirds f the earth is cvered with ceans. Paragraph 5 e. Peple cannt live everywhere n the earth.
Read the lessn and match each paragraph with its main idea.
Let’s D It!
1. The number f swimmers here is __________ quickly because it’s very ht these days. 2. The schl has a ________ f 900 students. 3. I think it may be the ________ seasn f the year. 4. The ________ f ur bdy is skin. It prtects us. 5. Hw many ________ f peple are there in the wrld nw?
Fill in the blanks with the crrect frms f the wrds in the bx.
Match the seven cntinents with their crrect descriptins.
Suth America
Nrth America
1. The prducts increases _____ 2 percent n ur farm. A. t B. by C. n D. in2. Jim is finding ut hw much we need _____ if we g n a trip t Hunan. A. in ttal B. in fact C. in this way D. in the directin f
3. _____ f the clthes are frm the internatinal markets, s they are fashinable. A. Tw third B. Secnd third C. Tw thirds D. Secnd thirds4. When I lived in Lndn, the hst family treated me _____ their family member. A. as B. fr C. abve D. n
5. Tw _____ peple g traveling last year accrding t the survey. A. billins B. billins f C. billin f D. billin
Talk abut the special places in the wrld.
1. Review and recite the imprtant pints f this lessn.2. Talk abut the different parts f the wrld.3. Preview the next lessn.
Let’s enjy!
Hw many cntinents are there in the wrld? What are they?
What d yu knw abut the place where yu live?
There are many planets in the universe.
planet [ˈplænɪt] n.行星
Bilgical systems have been ding this fr billins f years.
billin [ˈbɪlɪən] n.十亿；千兆billins f 数十亿的
The cmpanies have 1,770 emplyees in ttal.
ttal [ˈtəʊtl] n.总计；总数 adj.总的；总计的in ttal 总共
The cmpany’s sales are increasing.
increase [ɪnˈkriːs] v.增加；增大
surface [ˈsɜːfɪs] n.表面；表层the surface f ……的表面
The surface f the sea lks calm.
Indian [ˈɪndɪən] adj.印度的 n.印度人India n.印度
Many Indian girls are gd at dancing.
Atlantic [ætˈlæntɪk]n.&adj.大西洋（的）
The Atlantic Ocean separates America frm Eurpe.
Arctic [ˈɑːktɪk] adj.北极的
Plar bears live in the Arctic part.
planetbillinttalincreasesurfaceIndianAtlantic Arctic
n. 行星n. 十亿；千兆n. 总计；总数 adj. 总的；总计的v. 增加；增大n. 表面；表层adj. 印度的 n. 印度人n. 大西洋（的）adj. 北极的
面对一个大问题总计；合计；总共迅速增长世界人口三分之一地球表面的三分之二被称为
face a big prblem in ttal increase very quickly the wrld’s ppulatin ne third tw thirds f the earth’s surfacebe called
被……覆盖用……于……被好好对待在其他六个大洲上
be cvered with… use… fr be treated well n the ther six cntinents
1. When was the wrld’s ppulatin ver 7 billin in ttal?2. When will the wrld have abut 8 billin peple ?3. Hw many cntinents des the wrld have? 4. Hw many ceans des the wrld have?
In the year 2010.
There are fur main ceans.
Hw many cntinents and ceans des the wrld have? Can yu pint them ut?
The earth is a very special planet, and it faces a big prblem. In the year 2010, the wrld’s ppulatin was ver 7 billin in ttal. It is increasing very quickly. By 2025, the wrld may have abut 8 billin peple. And by 2050, the wrld’s ppulatin may reach 9 billin.There is anther prblem. Peple can’t live everywhere n the earth. We can’t live in water,
and nly abut ne third f ur planet is land. But parts f this land are very dry. These dry places are called deserts. Sme areas have very high muntains. Others have a lt f snw and ice. It is nt easy t live in thse places.There are seven cntinents: Asia, Africa, Australia, Antarctica, Eurpe, Nrth America and Suth America. Antarctica is cvered with
snw and ice all year rund. Luckily, peple can live n the ther six cntinents. On these cntinents, there are green frests, fresh water and rich lands.Oceans cver tw thirds f the earth’s surface. The earth has nly ne big cean, but we use these names fr its different parts: the Pacific Ocean, the Indian Ocean, the Atlantic Ocean
and the Arctic Ocean. The Pacific Ocean is the largest ne.The earth is ur hme nw, and it will be ur hme in the future. It must be treated well fr ur children and fr ur children’s children, t!
(1) billin前有数词修饰时，billin不能用复数形式。billins f意为“数十亿的”，表示不确定的数量。e.g. Wrldwide sales reached 2.5 billin. 全球销售额达到了25亿。 There are billins f peple in the wrld. 世界上有数十亿人。
Language pints
1. In the year 2010, the wrld’s ppulatin was ver 7 billin in ttal.
(2) ttal n. 总计；总数 adj. 总的；总计的a ttal f修饰可数名词复数时，其谓语动词用复数形式。the ttal f...后的谓语动词一般用单数形式。e.g. Out f a ttal f 15 games, they nly wn 2. 在总共15场比赛中，他们只胜了2场。 In ttal ver 1,000 peple attended the cnference. 共计一千多人参加了这个会议。
increase 增加；增大；增长；增强 increase by+倍数/百分数 增加了……倍/百分之……increase t+具体数字 增加到……e.g. The cmpany has increased the number f the prducts. 公司提高了产品的数量。
2. It is increasing very quickly.
ne third 三分之一分数表达法：分子用基数词，分母用序数词。分子如果大于1，分母用复数形式。注意：①二分之一不能说a/ne secnd，而要说 a/ne half。②四分之一和四分之三常用a quarter和three quarters表示。
3. We can’t live in water, and nly abut ne third f ur planet is land.
③当“分数＋f+名词”结构作主语时，谓语动词的单复数取决于f后面的名词。名词为可数名词复数，谓语动词用复数；名词为不可数名词，谓语动词用单数。
e.g. One third f the students are girls in ur grup. 我们队三分之一的学生是女生。 Only ne-fifth f air cnsists f xygen． 氧气只占空气的五分之一。
treat v. 对待；看待treat sb. as... 把某人看作……treat/regard sb. with... 以……对待某人e.g. They treat the dg as a member f their family. 他们把狗视作家庭的一员。 She treats every child with kindness. 她用善心对待每个孩子。
4. It must be treated well fr ur children and fr ur children’s children, t!
Paragraph 1 a. Six f the seven cntinents are gd fr peple t live n. Paragraph 2 b. We shuld treat the earth well. Paragraph 3 c. An increasing ppulatin is a big prblem fr the earth. Paragraph 4 d. Tw thirds f the earth is cvered with ceans. Paragraph 5 e. Peple cannt live everywhere n the earth.
Read the lessn and match each paragraph with its main idea.
Let’s D It!
1. The number f swimmers here is __________ quickly because it’s very ht these days. 2. The schl has a ________ f 900 students. 3. I think it may be the ________ seasn f the year. 4. The ________ f ur bdy is skin. It prtects us. 5. Hw many ________ f peple are there in the wrld nw?
Fill in the blanks with the crrect frms f the wrds in the bx.
Match the seven cntinents with their crrect descriptins.
Suth America
Nrth America
1. The prducts increases _____ 2 percent n ur farm. A. t B. by C. n D. in2. Jim is finding ut hw much we need _____ if we g n a trip t Hunan. A. in ttal B. in fact C. in this way D. in the directin f
3. _____ f the clthes are frm the internatinal markets, s they are fashinable. A. Tw third B. Secnd third C. Tw thirds D. Secnd thirds4. When I lived in Lndn, the hst family treated me _____ their family member. A. as B. fr C. abve D. n
5. Tw _____ peple g traveling last year accrding t the survey. A. billins B. billins f C. billin f D. billin
Talk abut the special places in the wrld.
1. Review and recite the imprtant pints f this lessn.2. Talk abut the different parts f the wrld.3. Preview the next lessn.
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