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初中英语冀教版八年级下册Unit 7 Know Our WorldLesson 38 The World Is a Big Place示范课ppt课件
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这是一份初中英语冀教版八年级下册Unit 7 Know Our WorldLesson 38 The World Is a Big Place示范课ppt课件，共26页。PPT课件主要包含了新课导入，Asia，Europe，Africa，Antarctica，Australia，Review，预习检测，知识梳理，were等内容，欢迎下载使用。
Nrth America
Suth America
The cntinents f the wrld
1.能熟悉并能正确运用本课时的重点单词和短语2.能掌握关于世界人口,七大洲和四大洋的知识
1.The lights must befre yu leave the classrm. A.turn n B.turn ff C.be turning n D.be turned ff2.Abut f the wrld is cean. A.tw third B.tw thirds C.tw three D.tw threes
3.There are 50 students in ur ttal B.at all C.in turn D.at ttal 4.The schl________Guang Ming Middle call B.called C.is called D.calls 5.Sme students play ftball, ______play B.thers C.the ther D.the thers
1. 年份的读法： 一般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 fifty；by 2025 by: 到……之前；不迟于hundred, thusand, millin, billin这些都是计数单位，与具体数字连用不加s，除非短语hundreds f, thusands f, millins f;billins f表示不具体数目加s。
2. in ttal = in all 合计; 总计 the ttal f 大量; 许多 (谓单) a ttal f +可数名词复数 (谓常用复) 强化: Over 1,000 peple attended the meeting in ttal. A ttal f twenty letters______ received last mnth.
3. 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…”强化: The cmpany has _________ the price f its cars. 公司提高了汽车的价格. The number f the laptp____________ 25% last year. The ppulatin has __________(frm 300,000) ____ 70,000,000.
increased by
4. By 2025, the wrld may have abut 8 billin peple. by + 将来时间 (用将来时) by + 过去时间 (用过去完成时)强化: ____ yu finish ding the wrk by next Sunday? We ___________(learn) 1500 new wrds by 2013.
had learned
5. 基本分数表达: (1)基数/序数(基为子,序为母) 如:1/5 ne fifth 1/9 ne ninth(2)分子> 1, 分母用复数 如: 2/5 tw fifths 7/9 seven ninths 特殊分数表达: half 一半 quarter 四分之一 如:1/2 ne half 1/4 a quarter 3/4 three quarters 强化: __________(四分之一)f us have left ur pictures hme. ________ (一半) f us are frm Nrth China. 注: 分数+ f + 可数名词复数 (谓复) 分数+ f + 不可数名词 (谓单) 强化: ___________ (三分之二)f infrmatin is true. _____________(五分之三) f the students _____ girls in ur schl.
Three fifths
6. luckily 幸运地 unluckily 不幸地 例：He fell ff the mtrcar. Luckily, he wasn’t badly hurt. 他从摩托车上摔下来。幸运地是，他伤得不重。 luck n. 运气 lucky adj. 幸运的，既可以作表语，也可以作定语。 例：Gd luck t yu! 祝你好运！ He is a lucky dg. 他是个幸运的家伙。
THINK ABOUT ITHw many cntinents are there in the wrld? What are they?What d yu knw abut the place where yu live?
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. Read the lessn and match each paragraph with its main idea.
a. Six f the seven cntinents are gd fr peple t live n.
b. We shuld treat the earth well.
c. An increasing ppulatin is a big prblem fr the earth.
d. Tw thirds f the earth is cvered with ceans.
e. Peple cannt live everywhere n the earth.
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?
2. Fill in the blanks with the crrect frms f the wrds in the bx.
increase dry surface billin ttal
3.Match the seven cntinents with their crrect descriptins.
1. There are ______ cntinents in the wrld. They are _______________________________________________________.2. There are _____ ceans in the wrld. They are ____________________________ ___________________________.
Asia, Eurpe, Africa, Nrth America, Suth America, Australia, Antarctica
the Atlantic Ocean， the Pacific Ocean，The Arctic Ocean，the Indian Ocean
主动语态和被动语态的转换
1. Many students study English. English is studied by many made shes in that factry. Shes were made by them in that factry.
观察并分析以上两组句子，总结主动语态变被动语态的方法
by many students.
1.Many students study English.
2.They made shes in that factry.
in that factry.
通过观察，我们发现将主动语态变为被动语态需要三步: 1. 。2. 。 3. 。
动词变为be+动词过去分词
将下列句子由主动语态变为被动语态 1. They will play ftball n this Sunday.2. Lucy did the hmewrk in the evening.3. They ften use cmputers in class.4. We have made these machines in Beijing befre.
Ftball will be played by them n this Sunday.
The hmewrk was dne by Lucy in the evening.
Cmputers are ften used by them in class.
These machines have been made (by us) in Beijing.
主动语态变为被动语态: 1. 。2. 。 3. 。
in ttal; n the earth; in the future; be cvered with ; be treated well
Once the wrld _________________ green plants and the living things led a peaceful life _____________. Hwever, later sme animals ___________________ and was even killed fr mney. There are nt many ________. Luckily, peple are trying t save the animals in danger nw. We all hpe that all the living things will live a pleasant life as befre ____________.
was cvered with
n the earth
were nt treated well
in the future
一.选择方框内正确短语填空
二、连词成句。1. ne, f, Danny, cake, third, ate, the ______________________________________________. 2. easy, desert, it's, t, in, nt, live, the ______________________________________________. 3. finish, next, yu, the, ding, Sunday, will, wrk, by ______________________________________________?4. Arctic, wrld, is, the, Ocean, smallest, in, the, the ______________________________________________. 5. earth, is, ppulatin, prblem, a, ur, increasing, fr, the ______________________________________________.
Danny ate ne third f the cake
It's nt easy t live in the desert
Will yu finish ding the wrk by next Sunday
The Arctic Ocean is the smallest in the wrld
The increasing ppulatin is a prblem fr ur earth
Nrth America
Suth America
The cntinents f the wrld
1.能熟悉并能正确运用本课时的重点单词和短语2.能掌握关于世界人口,七大洲和四大洋的知识
1.The lights must befre yu leave the classrm. A.turn n B.turn ff C.be turning n D.be turned ff2.Abut f the wrld is cean. A.tw third B.tw thirds C.tw three D.tw threes
3.There are 50 students in ur ttal B.at all C.in turn D.at ttal 4.The schl________Guang Ming Middle call B.called C.is called D.calls 5.Sme students play ftball, ______play B.thers C.the ther D.the thers
1. 年份的读法： 一般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 fifty；by 2025 by: 到……之前；不迟于hundred, thusand, millin, billin这些都是计数单位，与具体数字连用不加s，除非短语hundreds f, thusands f, millins f;billins f表示不具体数目加s。
2. in ttal = in all 合计; 总计 the ttal f 大量; 许多 (谓单) a ttal f +可数名词复数 (谓常用复) 强化: Over 1,000 peple attended the meeting in ttal. A ttal f twenty letters______ received last mnth.
3. 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…”强化: The cmpany has _________ the price f its cars. 公司提高了汽车的价格. The number f the laptp____________ 25% last year. The ppulatin has __________(frm 300,000) ____ 70,000,000.
increased by
4. By 2025, the wrld may have abut 8 billin peple. by + 将来时间 (用将来时) by + 过去时间 (用过去完成时)强化: ____ yu finish ding the wrk by next Sunday? We ___________(learn) 1500 new wrds by 2013.
had learned
5. 基本分数表达: (1)基数/序数(基为子,序为母) 如:1/5 ne fifth 1/9 ne ninth(2)分子> 1, 分母用复数 如: 2/5 tw fifths 7/9 seven ninths 特殊分数表达: half 一半 quarter 四分之一 如:1/2 ne half 1/4 a quarter 3/4 three quarters 强化: __________(四分之一)f us have left ur pictures hme. ________ (一半) f us are frm Nrth China. 注: 分数+ f + 可数名词复数 (谓复) 分数+ f + 不可数名词 (谓单) 强化: ___________ (三分之二)f infrmatin is true. _____________(五分之三) f the students _____ girls in ur schl.
Three fifths
6. luckily 幸运地 unluckily 不幸地 例：He fell ff the mtrcar. Luckily, he wasn’t badly hurt. 他从摩托车上摔下来。幸运地是，他伤得不重。 luck n. 运气 lucky adj. 幸运的，既可以作表语，也可以作定语。 例：Gd luck t yu! 祝你好运！ He is a lucky dg. 他是个幸运的家伙。
THINK ABOUT ITHw many cntinents are there in the wrld? What are they?What d yu knw abut the place where yu live?
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. Read the lessn and match each paragraph with its main idea.
a. Six f the seven cntinents are gd fr peple t live n.
b. We shuld treat the earth well.
c. An increasing ppulatin is a big prblem fr the earth.
d. Tw thirds f the earth is cvered with ceans.
e. Peple cannt live everywhere n the earth.
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?
2. Fill in the blanks with the crrect frms f the wrds in the bx.
increase dry surface billin ttal
3.Match the seven cntinents with their crrect descriptins.
1. There are ______ cntinents in the wrld. They are _______________________________________________________.2. There are _____ ceans in the wrld. They are ____________________________ ___________________________.
Asia, Eurpe, Africa, Nrth America, Suth America, Australia, Antarctica
the Atlantic Ocean， the Pacific Ocean，The Arctic Ocean，the Indian Ocean
主动语态和被动语态的转换
1. Many students study English. English is studied by many made shes in that factry. Shes were made by them in that factry.
观察并分析以上两组句子，总结主动语态变被动语态的方法
by many students.
1.Many students study English.
2.They made shes in that factry.
in that factry.
通过观察，我们发现将主动语态变为被动语态需要三步: 1. 。2. 。 3. 。
动词变为be+动词过去分词
将下列句子由主动语态变为被动语态 1. They will play ftball n this Sunday.2. Lucy did the hmewrk in the evening.3. They ften use cmputers in class.4. We have made these machines in Beijing befre.
Ftball will be played by them n this Sunday.
The hmewrk was dne by Lucy in the evening.
Cmputers are ften used by them in class.
These machines have been made (by us) in Beijing.
主动语态变为被动语态: 1. 。2. 。 3. 。
in ttal; n the earth; in the future; be cvered with ; be treated well
Once the wrld _________________ green plants and the living things led a peaceful life _____________. Hwever, later sme animals ___________________ and was even killed fr mney. There are nt many ________. Luckily, peple are trying t save the animals in danger nw. We all hpe that all the living things will live a pleasant life as befre ____________.
was cvered with
n the earth
were nt treated well
in the future
一.选择方框内正确短语填空
二、连词成句。1. ne, f, Danny, cake, third, ate, the ______________________________________________. 2. easy, desert, it's, t, in, nt, live, the ______________________________________________. 3. finish, next, yu, the, ding, Sunday, will, wrk, by ______________________________________________?4. Arctic, wrld, is, the, Ocean, smallest, in, the, the ______________________________________________. 5. earth, is, ppulatin, prblem, a, ur, increasing, fr, the ______________________________________________.
Danny ate ne third f the cake
It's nt easy t live in the desert
Will yu finish ding the wrk by next Sunday
The Arctic Ocean is the smallest in the wrld
The increasing ppulatin is a prblem fr ur earth
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