1 學(xué)習(xí)目標(biāo) 2 新課導(dǎo)入3 新課講解 4 當(dāng)堂小練5 課堂小結(jié)
Learn mre abut the wrld’s gegraphy.Master the wrds and expressins f the cntinents and ceans in English.
All f us have studied gegraphy. Can yu say the names f the cntinents and ceans in the wrld?
THINK ABOUT 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 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！
Language pint 1
The earth is a very special planet, and it faces a big prblem.
planet / pl?n?t/ n. 行星
planet 為可數(shù)名詞，指環(huán)繞恒星運轉(zhuǎn)的星球。e.g. The earth is the nly planet that we knw has life at present.地球是目前我們所知的唯一有生命存在的行星。
Language pint 2
In the year 2010, the wrld’s ppulatin was ver 7 billin in ttal.
billin / b?l??n/ n．十億；千兆
billin前有數(shù)詞修飾時，billin 不能用復(fù)數(shù)形式。e.g. We want tw billin. 我們想要20 億。
billins f意為“數(shù)十億的”，表示不確定的數(shù)量。e.g. There are billins f stars in the sky.天上有數(shù)十億的星星。
Language pint 3
It is increasing very quickly.
increase既可作及物動詞也可作不及物動詞，其反義詞為decrease。也可作名詞，常用短語n the increase“正在增加；不斷增長”。e.g. These cases are n the increase.這些案件在不斷增加。e.g. His pwer increased.他的權(quán)利加強了。
increase/?n'kri?s/v.增加；增大
Language pint 4
Antarctica is cvered with snw and ice all year rund.
主動結(jié)構(gòu)為：(用……蓋住……)e.g. Please cver this desk with a clth. 請用布蓋住這張課桌。
be cvered with 被……覆蓋e.g. Our garden is cvered with grass and flwers.我們的花園被花草覆蓋著。
Read the lessn and match each paragraph with its main idea.
Let's D It !
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.
Fill in the blanks with the crrect frms f the wrds in the bx.
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?
1. The s________ f the lake is quite still. 2. The t________ cst will be 130 dllars. 3. The earth is a p________and it ges arund the sun. 4. They cme frm India, and they are I________. 5. The number f wild pandas has i________ by arund 17% in the last ten years.
1. planet, earth, is, special, the, a__________________________________________________. 2. in, we, live, water, can't__________________________________________________.
The earth is a special planet
We can't live in water
3. deserts, dry, called, these, places, are__________________________________________________. 4. must, earth, well, the, treated, be__________________________________________________. 5. cver, surface, thirds, the, ceans, tw, earth's, f__________________________________________________.
These dry places are called deserts
The earth must be treated well
Oceans cver tw thirds f the earth's surface
重點單詞：increase,planet ,billin 重點短語：be cvered with,重點句子：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.Antarctica is cvered with snw and ice all year rund.

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Lesson 38 The World Is a Big Place

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年級： 八年級下冊

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