Question

4. This math problem is that one.

   A. so easy as   B. as difficult as

   C. much difficult than   D. less easier than

Answer 1

4. B

4. B考查形容词的用法。在as…as…“与……一样……” 结构中，第一个as后接形容词或副词的原级。句意:这道 数学题与那道数学题一样难。