quickly!
题目
quickly!
根据句意及首字母填空:
1:Zhenjiang Province is in the s_____ of China.
2:_______(摇)the bottle before taking the medicine.
3:There are different c_______ in different countries.
答案
1. south
2. Shake
3. customs
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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