帮忙做几道英语句形转换
题目
帮忙做几道英语句形转换
please color it green.改为否定句.Her mother is cooking when she gose back home?改为一般疑问句.My father will be back(in 3 days)对括号内提问.,,will your father be back?
答案
1 Don^t color it green 2 What is her mother doing when she gose back home? 3 When my father be back?
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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