was to be expected 和 was expected 意义上区别是什么
题目
was to be expected 和 was expected 意义上区别是什么
A good many proposals were raised by the delegates ,_______(正如预料的那样)
空里是填 as was to be expected
为什么不是 as was expected
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．
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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