sos几道英语智力测试题
题目
sos几道英语智力测试题
我有几道英语智力测试题请教大家!
help me!
1.Who can fly very fast but has no wings?
2.A boy came to a river bank.The river was very deep and wide.There were no boats or bridges nearby.The boy went across the river.But he wasn't wet at all.Why?
答案
1.Who can fly very fast but has no wings?什么东西没有翅膀但能快速地飞翔?答案:光2.A boy came to a river bank.The river was very deep and wide.There were no boats or bridges nearby.The boy went across t...
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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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