还是没有重点~~~我是不太理解这题的意思,什么是- a0 |8 ?5 a L$ y" G8 I6 S
instant one to such 'double' reading appears to the instant the next appears 是什么意思哟~~' q! U1 w& f! J# j$ X2 a0 d
而且,我觉得那些难度系数因人而定,基本上难度5的都狂容易,但我有时就卡在2,3的难度上了,哎~~~2 l, v3 X! Y+ h, \& ?
现在我在~~~~痛苦于SAT II的化学,一半都好象是国内大学内容~~~~
一个12小时制电子表上现在显示的时间是05:05,过多少时间它的hr和min又会一致 . j- k3 R n& @& l4 ^+ Z! X& V5 g) l5 b1 L8 ^
btw, i don't think chem is that hard. i barely know no one who got below 750 in sat2 chem. 8 Z* h9 a1 @2 R* ?$ X7 Ualthough some knowledge is not taught until in college here, it's easy