1.(2012·信阳一模)It was a ________ achievement — no one has ever won the championship five times before.
A.responsible B.noble
C.unique D.extreme
解析:句意:这是个非同寻常的成就——在此之前还没有人获得过五次冠军。responsible“有责任的”;noble“高尚的”;extreme“极度的”;unique在此意为“极好的,不同寻常的”,符合句意。
答案:C