After two years' research，we now have a better understanding of the disease.(2013·全国Ⅱ)
A. very
B. far
C. fairly
D. quite
网友回答
A. very
(答案→)B. far
C. fairly
D. quite
解析：从句中的信息词better可看出是考查比较级前的修饰语。为了突出强调或表示程度，比较级前可用much，far，a little，any，some，a bit，even，still，rather，a lot等词修饰；最高级前可被序数词及much，by far，nearly，almost等词修饰。注意A.very，C.fairly，D.quite不修饰比较级。