Question

【題目】Those who can achieve high grades in class tend to be weak in handling some practical problems, ________ is often the case.

A. which B. as C. it D. that

Answer 1

【答案】B

【解析】句意：那些能在課堂上取得高分的人，往往在解決實(shí)際問(wèn)題時(shí)很弱，這是常有的事情。as引導(dǎo)非限制性定語(yǔ)從句，指代主句整句內(nèi)容，且在從句中作主語(yǔ)。