—
A:Thank you very much
B:I don't know
C:They are very good
D:Sounds good
①要发挥意识对改造客观世界的指导作用 ②要敢于突破思维定势
③要有革命的批判的创新意识 ④要敢于寻找新思路
0.9____ 0.8˙9˙