作业帮初二首字母填空 火速啊The water problem may be the most serious problem in theworld.You may think it is (1)s because nearly 70％of the earth's surfaceis covered (2)w water .Yes it's true but about 97％ of it is sea water orsalt water ,and
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初二首字母填空 火速啊The water problem may be the most serious problem in theworld.You may think it is (1)s because nearly 70％of the earth's surfaceis covered (2)w water .Yes it's true but about 97％ of it is sea water orsalt water ,and
初二首字母填空 火速啊
The water problem may be the most serious problem in theworld.You may think it is (1)s because nearly 70％of the earth's surfaceis covered (2)w water .Yes it's true but about 97％ of it is sea water orsalt water ,and people can't(3)d it.People can only drink anduse the (4)o 3 ％.The water comesonlyfrom (5)r ,lakes,and underground.And we cannot evenuse all of that （6)b the iceberg covers some of it.Even more and morepeople havepolluted some of the water.
Of coursethe little water is still (7)e for usif people try torecycle come from it.But today more and more people (8)n more andmore water .We must take steps to solve these (9)p .One ofthe first steps is to develop ways of reusing water .Another way is to use seawater bu (10)t the salt out and this has begun in manyu countries.But it costs too much.
(1)s
(2)w
(3)d
(4)o
(5)r
（6)b
(7)e
(8)n
(9)p
(10)t
初二首字母填空 火速啊The water problem may be the most serious problem in theworld.You may think it is (1)s because nearly 70％of the earth's surfaceis covered (2)w water .Yes it's true but about 97％ of it is sea water orsalt water ,and
(1) sufficient
(2) with
(3) drink
(4) other
(5) rivers
(6) because
(7) enough
(8) need
(9) problem
(10) taking