轿车带给我们的利与弊 英文作文70词左右
题目
轿车带给我们的利与弊 英文作文70词左右
答案
With the development of science,cars are becoming more and more popular.Most people prefer cars because of its advantages over other traditional transports.
First,cars are much faster than bicycles.You can drive a car to travel through cities.And it takes you less time.Secondly,if you drive a car,you won’t suffer form the changeable weather.In addition,if more and more people use cars,the industry will be improved.
However,every coin has two sides.If you drive a car,you may suffer a traffic jam and it is difficult for you to find a place to park your car.And the more cars we have,the poorer our environment will be.
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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