【题目】Many students think geography is_________ math.
A. as difficult a subject as
B. as a difficult subject as
C. the same difficult subject as
D. a subject the same difficult as
在线课程【答案】A
【解析】考查as…as的用法。as…as意为“和……一样”，一般结构为“as+形容词或者副词+带有不定冠词的名词+as”，是固定结构。句意：很多学生认为生物和数学一样难。故选A。