We were running out of petrol.So I went off__a gas station where I could buy some.
题目
We were running out of petrol.So I went off__a gas station where I could buy some.
A in search of B in search for C to search D searching 选项为A 为什么呢?麻烦大家了,
答案
A
in search of在大多数情况下等于search for,而没有in search for这一用法,所以B错,C应改为:to search for
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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