Then he slowed ______ as the wind became stronger and the waves higher.
题目
Then he slowed ______ as the wind became stronger and the waves higher.
答案
Then he slowed down as the wind became stronger and the waves higher.
全句的意思是 然后,因为风变得越来越强和波浪变得越来越高,所以他的速度开始下降.(在过去发生)
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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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