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所属成套资源：冀教版英语八年级下册【课件+教案+音频】
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- 冀教版英语八年级下册 Unit 6 Be a champion! lesson 36【课件+教案+音频】 课件 3 次下载
- 冀教版英语八年级下册 Unit 7 Know our world lesson 37【课件+教案+音频】 课件 4 次下载
- 冀教版英语八年级下册 Unit 7 Know our world lesson 39【课件+教案+音频】 课件 4 次下载
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英语八年级下册Lesson 38 The World Is a Big Place多媒体教学课件ppt
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这是一份英语八年级下册Lesson 38 The World Is a Big Place多媒体教学课件ppt，文件包含Lesson38ppt、Unit7KnowOurWorldLesson38TheWorldIsaBigPlacedoc、Lesson38单词录音_128kmp3、Lesson38课文录音_128kmp3等4份课件配套教学资源，其中PPT共33页， 欢迎下载使用。
Think abut it!
• Hw many cntinents are there in the wrld? What are they?• What d yu knw abut the place where yu live?
Hw many cntinents are there in the wrld? What are they?
Seven Cntinents
Nrth America
Suth America
The Pacific Ocean
The Indian Ocean
The Atlantic Ocean
The Arctic Ocean
Oceans cver abut three-quarters f the earth’s surface.
Deserts cver twenty percent f the earth’s surface.
What’s the wrld’s biggest island?
The wrld’s biggest island is Greenland. Greenland is nrtheast f Canada.
Wrds & expressins
Listen and read.
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!
Language pints
In the year 2010, the wrld’s ppulatin was ver 7 billin in ttal.在2010年，世界人口总数超过770 亿。in ttal = in all,意思是“总计，合计”。例如： Hw many snakes in ttal? 一共有多少条蛇？ There are mre than 6 000 students in ur schl in ttal. 我们学校的学生总计达6 000多。
2. It is increasing very quickly.(世界人口)正在 迅速增长。increase, 动词，意思是“增加；增大；增长；增强；繁殖”，后接介词by表示“增加了……”接介词t表示“增加到……”。例如：The ppulatin has increased frm 300 000 t 70 000 000.人口己经从三十万增加到了七千万。The cmpany has increased the price f its cars.公司提高了汽车价格。
3. And by 2050, the wrld’s ppulatin may reach 9 billin.到2050年，世界人口总数可能会达到 90亿。1)“by+时间”表示“到……为止”。例如：I prmise I’ll send yu feedback by this Friday.我 保证在这个星期五前给你反馈。We had t get there by evening.我们最迟也要在傍晚到达那里。
2)reach在本句中的意思是“达到”。例如：We’re tld the figure culd reach 100 000 next year. 我们得知明年这一数字可能达到十万。This year it may nt reach even that.今年有可能还达不到这一水平。
4. We can’t live in water, and nly abut ne third f ur planet is land.我们不能居住在水里，而全球只有三分之一的面积是陆地。1)ne third f ur planet意思是“我们星球的三分之一”，ne third 表示分数 1/3。 分数的表达方法比较常见的有： a)基本表达法: 分子用基数词，分母用序数词， 例如：1/5 ne fifth 1/9 ne ninth
b) 如果分子大于1,分母要用序数词的复数形式, 例如：2/5 tw fifths ; 7/9 seven ninths c) 特殊分数表达法： half意思是“一半”，可以用来表示1/2;
2) quarter名词，意思是“一刻钟，四分之一”。例如： 1/2 ne half 1/4 a quarter 3/4 three quartersHalf f us are frm Nrth China.我们当中有一半来自于华北地区。A quarter f the students have left their pictures hme. 四分之一的学生把照片落在家里了。
5. Antarctica is cvered with snw and ice all year arund.北冰洋常年被冰雪覆盖。be cvered with意思是“被所覆盖”。例如：The field is cvered with s many beautiful flwers.田野被许多美丽的花儿所覆盖。
Read the lessn and match each paragraph with its main idea
Paragraph 1Paragraph 2 Paragraph 3Paragraph 4 Paragraph 5
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 in the earth.
Fill in the blanks with the crrect frms f the wrds in the bx.
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?
increase dry surface billin ttal
Match the seven cntinents with their crrect descriptins.
in ttalne thirdbe cvered with
总计；合计；总共三分之一被……覆盖
I. Chse the best answers:
( ) 1. ____ f the students are frm the cuntryside. A. Third quarter B. Three quarters C. Three quarter D. Third quarters( ) 2. A quarter f the students ____ let their bks at hme. A. are B. is C. have D. has
( ) 3.The Yellw River is ______ in China.secnd lngest river the secnd lngest riverC. the secnd lngest rivers D. the lngest river
They will be there _________________ ( 在周末以前)._______________ (四分之三) f the apples are green.3. Milk _____________ (对……有益）yur health.4. The wrld _____________ (由……组成）many different kinds f places.
by the weekend
Three quarters
is made up f
II. Fill in the blanks.
III. Fill in the blanks.
There are cntinents in the wrld. Africa, , Australia, , Nrth America, and Antarctica. is the wrld’s cldest cntinent. There are fur ceans: , _______________, the Indian Ocean and . The biggest island in the wrld is . The lngest river in the wrld is .
Suth America
the Pacific Ocean
the Atlantic Ocean
the Arctic Ocean
the Nile River
Think abut it!
• Hw many cntinents are there in the wrld? What are they?• What d yu knw abut the place where yu live?
Hw many cntinents are there in the wrld? What are they?
Seven Cntinents
Nrth America
Suth America
The Pacific Ocean
The Indian Ocean
The Atlantic Ocean
The Arctic Ocean
Oceans cver abut three-quarters f the earth’s surface.
Deserts cver twenty percent f the earth’s surface.
What’s the wrld’s biggest island?
The wrld’s biggest island is Greenland. Greenland is nrtheast f Canada.
Wrds & expressins
Listen and read.
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!
Language pints
In the year 2010, the wrld’s ppulatin was ver 7 billin in ttal.在2010年，世界人口总数超过770 亿。in ttal = in all,意思是“总计，合计”。例如： Hw many snakes in ttal? 一共有多少条蛇？ There are mre than 6 000 students in ur schl in ttal. 我们学校的学生总计达6 000多。
2. It is increasing very quickly.(世界人口)正在 迅速增长。increase, 动词，意思是“增加；增大；增长；增强；繁殖”，后接介词by表示“增加了……”接介词t表示“增加到……”。例如：The ppulatin has increased frm 300 000 t 70 000 000.人口己经从三十万增加到了七千万。The cmpany has increased the price f its cars.公司提高了汽车价格。
3. And by 2050, the wrld’s ppulatin may reach 9 billin.到2050年，世界人口总数可能会达到 90亿。1)“by+时间”表示“到……为止”。例如：I prmise I’ll send yu feedback by this Friday.我 保证在这个星期五前给你反馈。We had t get there by evening.我们最迟也要在傍晚到达那里。
2)reach在本句中的意思是“达到”。例如：We’re tld the figure culd reach 100 000 next year. 我们得知明年这一数字可能达到十万。This year it may nt reach even that.今年有可能还达不到这一水平。
4. We can’t live in water, and nly abut ne third f ur planet is land.我们不能居住在水里，而全球只有三分之一的面积是陆地。1)ne third f ur planet意思是“我们星球的三分之一”，ne third 表示分数 1/3。 分数的表达方法比较常见的有： a)基本表达法: 分子用基数词，分母用序数词， 例如：1/5 ne fifth 1/9 ne ninth
b) 如果分子大于1,分母要用序数词的复数形式, 例如：2/5 tw fifths ; 7/9 seven ninths c) 特殊分数表达法： half意思是“一半”，可以用来表示1/2;
2) quarter名词，意思是“一刻钟，四分之一”。例如： 1/2 ne half 1/4 a quarter 3/4 three quartersHalf f us are frm Nrth China.我们当中有一半来自于华北地区。A quarter f the students have left their pictures hme. 四分之一的学生把照片落在家里了。
5. Antarctica is cvered with snw and ice all year arund.北冰洋常年被冰雪覆盖。be cvered with意思是“被所覆盖”。例如：The field is cvered with s many beautiful flwers.田野被许多美丽的花儿所覆盖。
Read the lessn and match each paragraph with its main idea
Paragraph 1Paragraph 2 Paragraph 3Paragraph 4 Paragraph 5
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 in the earth.
Fill in the blanks with the crrect frms f the wrds in the bx.
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?
increase dry surface billin ttal
Match the seven cntinents with their crrect descriptins.
in ttalne thirdbe cvered with
总计；合计；总共三分之一被……覆盖
I. Chse the best answers:
( ) 1. ____ f the students are frm the cuntryside. A. Third quarter B. Three quarters C. Three quarter D. Third quarters( ) 2. A quarter f the students ____ let their bks at hme. A. are B. is C. have D. has
( ) 3.The Yellw River is ______ in China.secnd lngest river the secnd lngest riverC. the secnd lngest rivers D. the lngest river
They will be there _________________ ( 在周末以前)._______________ (四分之三) f the apples are green.3. Milk _____________ (对……有益）yur health.4. The wrld _____________ (由……组成）many different kinds f places.
by the weekend
Three quarters
is made up f
II. Fill in the blanks.
III. Fill in the blanks.
There are cntinents in the wrld. Africa, , Australia, , Nrth America, and Antarctica. is the wrld’s cldest cntinent. There are fur ceans: , _______________, the Indian Ocean and . The biggest island in the wrld is . The lngest river in the wrld is .
Suth America
the Pacific Ocean
the Atlantic Ocean
the Arctic Ocean
the Nile River
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