Today,the energy crisis is becoming more and more serious.The crisis is due to industrial developmen
题目
Today,the energy crisis is becoming more and more serious.The crisis is due to industrial development,a sharp increase in global population growth and consumption.This terrible energy
crisis has brought us a lot of problm.
Supply and demand changes lead to changes in energy prices.Including oil ,water,electricity and
coal's price to increase.Especially the ascension of petroleum price caused huge negative influence within the scope of world .Not only let the management of many petroleum companies encounter severity loss,but also let those factories which need the petroleum to be a raw material be suffered impaction .Water,electricity and coal is people's produce of necessity in daily life ,particularly city residents who completely depend on running waterand electric appliances to live,say nothing of the residents in big city.And then,lower consumer confidence
,increased spending.
With those crisises,we must do something to keep ourselves alive .We must to conservative use of non-renewable energy.As soon as possible to expiore ,research,development and utilization of new energy
答案
a lot of problm--a lot of problems
lead to changes in energy prices--lead to the changes in...
in energy prices.Including oil ,water,electricity and
coal's price to increase.--in energy prices,including the price rises in oil,water,electricity and coal.
Especially the ascension of petroleum price caused huge negative influence within the scope of world .--In particular,the the ascension of petroleum price has caused huge negative influence within the scope of world .
Not only let the management of many petroleum companies encounter severity loss,--This not only lets the management of many petroleum companies encounter severe loss,
but also let those factories which need the petroleum to be a raw material be suffered impaction --but also lets those factories which need the petroleum as a raw material suffer impaction .
Water,electricity and coal is people's produce of necessity in daily life --Water,electricity and coal are people's products of necessity in daily life
particularly city residents who completely depend on running waterand electric appliances to live--particularly for city residents who completely depend on running water and electric supplies to live
say nothing of the residents in big city.--let alone the residents in big cities.
And then,lower consumer confidence ,increased spending.--And besides,consumers lose their confidence in it.
With those crisises--With those crises
We must to conservative use of non-renewable energy.--We must conserve the use of non-renewable energy
As soon as possible to expiore ,research,development and utilization of new energy--Explore,survey,develop and utilize the new energy as soon as possible.
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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