Why is it so different?

Why didn't the paper last for 2 hours like biology?

Why??????

Chemistry paper wasn't easy, and I didn't get it done.

nanosphere. refer to data booklet. organics. polymers. TOO much AS! OUCH~

I think I have phobia towards mathematics seriously. I couldn't think properly when I was doing mechanics paper. I was confused.

Its a bad day. =(

I'm down with bad flu.