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问题: as...的选择题

This maths problem is______that one.
1. not so easy as
2. more easy than
3. as easier as
4. easy than

请帮忙选什么???为什么?

解答:

2,4选项考的是比较级easy应变为easier
3 as + 原级 + as easier 应变为easy
故选A