妈妈养鸡75只，养鸭60只，鸡比鸭多几分之几？列式正确的是[ ]
A.（75-60）÷75
B.（75-60）÷60
C.（75+60）÷60
答案：B
–In my opinion, China has more _________ to deal with the disease H1N1.
--I quite agree with you. Chinese medicine works well.
A．advantages
B．interests
C．chances
D．culture
男性输尿管在开口于膀胱之前
A．先与输精管交叉，在其前方通过
B．先与输精管交叉，在其下方通过
C．与输精管平行
D．与精囊腺交叉
E．与输精管壶腹交叉，在其前方通过
