493.Boris has brains.In fact,I doubt whether anyone in the class has _______ IQ.

A.a high

B.a higher

C.the higher

D.the highest

494.It is generally believed that teaching is ______ it is a science.

A.as art much as

B.much an art as

C.as an art much as

D.as much an art as

493.答案是B;

考查比较级。

494.答案是D。