关于核能利用的英语作文
题目
关于核能利用的英语作文
要求:正方支持开发核能,说出开发核能的好处.反方反对使用核能,说出使用核能的危害.最后得出自己的观点.
答案
核能(Nuclear Energy)
Nowadays,energy can be obtained through various sources such as oil,coal,natural gas,solar heat,wind,etc.But the conventional energy like oil,coals are being used up rapidly,and solar heat can't become widely used immediately for technological reason.In my opinion,unclear energy will take the place of conventional energy,because people now can control this energy freely,and unclear energy is non-polluting,inexhaustible,and it's much safer than coal and oil.Coal and oil are burned,they also produce many harmful gases,and the air has been seriously polluted by such gases,which will threaten people's living environment.And many accident happened because of the wrong use of such energies.
However,such things can't happen when we use nuclear energy,Though when the nuclear leaks out,it will do great harm to people' s health and the environment.We can do enough work to avoid such things,and limited such things at a low percentage.
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
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