A lot of hot air?英译中
题目
A lot of hot air?英译中
Parents likely to face charge over balloon ‘ hoax:sheriff
The story that a little boy had floated away in a giant helium balloon was a hoax concocted to land a reality television show,authorities said yesterday,and the boy’s parents will likely face felony charges.
Hollow Tree to get extension?
Group expected to be given 3 months to restore Stanley Park landmark
The city’s park board is expected to give the Stanley park hollow tree conservation Society- which faces a $32,000 shortfall one last chance tonight to save what might be Vancouver’s most famous tree.
Getting with the prepaid program
Canadians are not used to cellphones costing a lot of money.
Consumers who want smartphones like BlackBerrys and iphones will be tied to longer contracts and the subsidies that come with them to bring down the cost until pricing and shopping habits change,analysts say.
答案
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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