An old man was going home late one night with his horse and cart(马车 ) after a day’s hard work.When h
题目
An old man was going home late one night with his horse and cart(马车 ) after a day’s hard work.When he was not far from his house,the light on the cart went out.He tried but could not mend (修理 )it.
He was near his home,and so he went along the road without a light.When a police saw this,he stopped the old carter.
“Where is your light?” asked the policeman.“No man may take a cart along the road at night without a light.You know that.You have broken the law(法律 ).
“I had a light,but it has just gone out.” said the old man.
“I don’t believe that story,” said the policeman.He took out a book and got ready to write.What’s your name and where do you live?” he asked.
“Please don’t take my name,” said the old man.“My home is just there.You can see it from here.
I had a light nearly the whole way.I haven’t come far without a light.”
“You came all the way without a light.What’s your name?”
The carter quickly took the policeman’s hand and put it down on top of the li
答案
1. C
2. B
3. A
4. D
5. D
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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