优秀英语作文范文(英语作文范文)
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2021年01月18日 20:34
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优秀英语作文范文
英语作文范文
Almost everyone knows that water covers three- fourths
of the earth's surface. Most of it
,
however
,
is in the oceans
and is too salty to drink. Also
,
some of it is frozen and cannot
be used. In fact
,
less than one percent is left for the use of
people
,
animals and plant life. All through history men have
tried to build their homes near the sources of fresh water. Now
fresh water is becoming scarce
,
but more and more is needed
because
of
the
increasing
number
of
people
in
the
world.
Some industries also use large amounts of fresh water in the
production of things such as steel
,
petroleum
,
paper and
rubber and so on. Scientists estimate that the need for fresh
water will have doubled by the year 2003. If they are correct
,
we
must
find
new
ways
of
saving
it
or
producing
it.
Some
nations have worked on the problem and are already sharing
their
information
with
others.
They
are
trying
to
keep
their
rivers from becoming polluted. Deep wells are also being dug
,
and rain water is being collected in huge artificial lakes. In one
way or another
,
they hope to provide enough water to satisfy
1