It r____9__ a lot and it’s very cold in winter. It often has thick fog, whi
题目
It r____9__ a lot and it’s very cold in winter. It often has thick fog, whi
which means it's mdifficult for the xisitors to find the r_10_way
答案
rains
一般现在时,在冬天非常冷
right
楼主采纳最全的哦~
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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．
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