1 Sally had a third again as many as David,who had a third as many again as Rrancis. Altogether they had 111.How many did David have?
A 27 B 32 C 36 D 48
答案是C 为什么？
（小学数学题都不会做了）

2 BONA FIDE is to genuine as DE FACTO is to ___.
A  together B actual  C reason  D assumed

答案是B

bona fide
[bEJnE 5faIdI]
adv.
adj.真诚地(的), 真实地(的)

genuine
[5dVenjuin]
adj.
真实的, 真正的, 诚恳的

Quote:

de facto
[deI5fAktEJ]
adj.
事实上的, 实际的