this maths problem is （ ）that one A.not so easy as B.more easy than C.as easier as D.easier than
题目
this maths problem is （ ）that one A.not so easy as B.more easy than C.as easier as D.easier than
答案
A.not so easy as
B.要用 much easier than.(easy的比较级是easier,修饰比较级时用much)
C.as 后不接比较级
D.easier than (than 前面要用比较级)
所以是A正确答案
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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