冀教版八年级下册Unit 7 Know Our WorldLesson 38 The World Is a Big Place教学演示ppt课件

这是一份冀教版八年级下册Unit 7 Know Our WorldLesson 38 The World Is a Big Place教学演示ppt课件，共13页。PPT课件主要包含了Skim ，increase，Skim 跳读， ，two fifths，are，is ，deserts，Asia，Europe等内容，欢迎下载使用。
planet n. 行星
billin n. 十亿
ttal n. 总计； adj. 总计的
increase v. 增加
surface n. 表面；表层
Indian adj. 印度的 n. 印度人
Atlantic n.& adj. 大西洋（的）
Arctic adj. 北极的
十亿；总计；表面；表层行星增加；大西洋（的）北极的印度的；印度人
planet n. billin n.ttal n.& adj.increase n.& adj.surface n.Indian adj.& n.Atlantic n.& adj.Arctic adj.
Hw many prblems des the earth face?
Para 1 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.Para 2 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.
What are the prblems?
Careful Reading
In 20107 billin
By 20258 billin
By 20509 billin
The wrld's ppulatin is increasing very quickly.
Wrd Guessing:
billins f “数十亿的”
hundreds f
thusands f
What’ s the secnd prblem?
Tpic Sentence:
Peple can't live everywhere n the earth.
Supprting Details:
nly abut ne third f ur planet is land
Tw thirds f the teachers here _____ wman. One third f the land ____plluted by waste water.
3/4 2/5
three furths
high muntains
snw and ice
These dry places are called deserts.
It is nt easy t live in thse places.
Nrth America
Suth America
Antarctica is cvered with snw and ice all year rund.
Luckily, peple can live n the ther six cntinents.
the Atlantic Ocean
the Indian Ocean
The Arctic Ocean
The Pacific Ocean
Oceans cver tw thirds f the earth's surface.
In the year 2010, _________________was ver 7 billin ________. It __________________________.
the wrld’s ppulatin
is increasing very quickly
nly abut____________________ land.These dry places ________ deserts. ____________________ in thse places.
ne third f ur planet is
It is nt easy t live
Antarctica _______________snw and ice _____________. Luckily, peple can live n _______________________.
is cvered with
all year rund
the ther six cntinents