
planet n. 行星
billin n. 十億
ttal n. 總計; adj. 總計的
increase v. 增加
surface n. 表面;表層
Indian adj. 印度的 n. 印度人
Atlantic n.& adj. 大西洋(的)
Arctic adj. 北極的
十億;總計;表面;表層行星增加;大西洋(的)北極的印度的;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 “數(shù)十億的”
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
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