He has been for nearly three weeks after the death of his dear pet A sad B satisfied C evil D joyful
题目
He has been for nearly three weeks after the death of his dear pet A sad B satisfied C evil D joyful 选哪个?
答案
A sad (放到has been 后)
宠物死了,应该伤心难过,故选A
sad 伤心的,satisfied 感到满意的,joyful 高兴的,evil邪恶的
He has been sad for nearly three weeks after the death of his dear pet .
宠物死后,他伤心难过了三个月.
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.
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