题干
Sometimes walking is even _______ than driving during the busy traffic time.
A：fast
B：faster
C：fastest
答案(点此获取答案解析）
B
Sometimes walking is even _______ than driving during the busy traffic time.
A：fast
B：faster
C：fastest
)有下列叙述：①能使酸性KMnO4溶液褪色；②能使溴的四氯化碳溶液褪色；③可溶于水；④可溶于苯中；⑤能与浓硝酸发生取代反应；⑥所有的原子可能共平面。其中正确的是( )
