—The difficult maths problem has been solved by Tom at last.
— Indeed; and the ___ way Tom worked out the problem impressed the teacher deeply.
A:outstanding
B:unique
C:particular
D:strange
制作临时玻片标本的主要步骤可以依次简化为( )
在神农架生长着一种野菊花,它能发出阵阵芳香,植物学家称为“神农香菊”,但这种菊花移栽到其他地方,就会失去香味,这一现象说明()