Philosophical problems arise when people ask questions that, though very        , have certain characteristics in common.
#18690
A
diverse
B
relevant
C
abstract
D
consistent
推荐题目
The change was so _____ that we hardly noticed it.
#19621
A
actual
B
frequent
C
gradual
D
grateful
The pianos in another shop will be________, but________.
#17674
A
cheaper;not as better
B
more cheaper;not as better
C
cheaper;not as good
D
more cheap;not as good