— Why are there many books on the ground?— Her arms aren’t long enough to _______ the
题目
— Why are there many books on the ground?— Her arms aren’t long enough to _______ the
()1.— Why are there many books on the ground? — Her arms aren’t long enough to _______ the books on the desk.A.reach B.come C.take D .carry .( )2.Aren’t you tired ___ doing the same work all the year round?A.from B.with C.of D.across
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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