初二首字母填空 火速啊
题目
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
答案
(1) sufficient
(2) with
(3) drink
(4) other
(5) rivers
(6) because
(7) enough
(8) need
(9) problem
(10) taking
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
最新试题
- 有几个杯子,杯子里有不同的水,问如果用木棒敲击,水多的音调高还是水少的音调高?
- 已知函数f(x)=x²+px+q,使当x=1时,f(x)有最小值4 ,试确定p.q的值 (有关高二导数的)
- 在等差数列中,a7+a9=16 a4=1,则a12的值是
- 童年趣事的作文500字左右
- 如图,平行四边形ABCD中,M是BC的中点,且AM=9,BD=12,AD=10,则ABCD的面积是( ) A.30 B.36 C.54 D.72
- 将24.9氢氧化钠溶液与140克硫酸铜溶液混合,恰好完全反应.过滤、烘干后称得固体的质量为4.9克.求:
- 反射的抑制作用表现
- fx=根号x平方-1+根号1-x平方是奇函数还是偶函数
- 不怕一万就怕万一用英语怎么说
- 一群猴子一天结伴偷桃子如果每个猴子分三个还剩59个如果每个猴子分5个,就都能分到桃子,但剩下的一个猴子分得的桃子不够5个,你能求出有几只猴子几个桃子
热门考点