It is a day for the (1)o_____ people.Sons and daughters go back home to see their old parents.
题目
It is a day for the (1)o_____ people.Sons and daughters go back home to see their old parents.
(接上面)It is (2)a____ a (3)s____ day to climb hills and enjoy the nice autumn time.(有关重阳节的).请按短文内容和首字母填空,
答案
1.old
2.always
3.suitable
这是为老人们(设立的)一天,儿女们都回家来看望他们年迈的父母.这也是适合爬山和享受美好的秋日时光的一天.
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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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