原帖由 jameswql 于 2006-10-12 08:29 发表, p. g7 ~: C8 n% I, Y6 o* M( T7 X
错任何一点都算错,要扣1/4分
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because there are five possible combinations of answers:% ]5 l0 x8 J4 @- b5 H5 I
RRR RRW RWW WRW WWW f% e' N# X+ [0 c# ?0 m. f( qwhich equal five choices. make sense?