They were a ()by the strange story she had told him.a开头 Stones and metals()heat from the sun.a开头
题目
They were a ()by the strange story she had told him.a开头 Stones and metals()heat from the sun.a开头
答案
They were (amazed 吃惊的,惊奇的) by the strange story she had told him.(a开头)
Stones and metals (absorb 吸收) heat from the sun.(a开头)
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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