英语填空求补充单词
题目
英语填空求补充单词
关于环境的填空题,请选择恰当的词填空
Harm:we have()the earth and made it()
Problem:the river is ()and the()of the earth is rising.The earth is()for help.
Suggestion:Plant()trees,put the()into dustbins and stop factories from pouring waste water()into rivers.
答案
Harm:we have(harm)the earth and made it(harmful)Problem:the river is (probleming)and the(problem)of the earth is rising.The earth is(probleming)for help.Suggestion:Plant(suggesting)tree...
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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
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