_______transatlantic clippers of the last several took .
题目
_______transatlantic clippers of the last several took .
_______ transatlantic clippers of the last several took approximately six weeks to make the crossing to North American.
(A) The (B)What (C) It is the (D) That the
several 和 took 之间 少打了 centuries.
答案
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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