係超多唔同囉=.=你咁問太GENERAL啦.
呾我就General speaking,
dse介乎ce同al之間, 比ce深一點(especially biology, ~90% al contents)
但好多科都比al淺.
(bascially all i should say, but i don't know much about arts group)
同埋據我所知因為dse將al既內容 cut d唔 cut d,
有d地方concepts 係wrong既, or 根本解唔清.
as i remember, dse既chem係冇左d dynamic equilibrium既內容(錯不要罵喔><)
所以個邊d野唔係解得好好, 再唔係就強行屈d wrong concept黎屈返岩佢.
ce, undoubtedly, is much easier than dse.
不過ce已絕, 考唔到了, 就算仲有都冇意思, 因為上唔到u啦
末代ce係2010個年, 即現在玩末代al的考生.(i mean 入到u, 唔計2011個搵笨ce)