if shipment is effected after the last shipment date,the shipment must be by air in cif delivery t
题目
if shipment is effected after the last shipment date,the shipment must be by air in cif delivery t
答案
如果运输受上次货运时间影响,那么此次运输必须以CIF价格走空运
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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