0,1/2,0,1/8,0,1/32,0,()。
A.1/120
B.1/122
C.1/124
D.1/128
参考答案:D
解析:
奇数项都是0,偶数项是以1/4为公比的等比数列。
The number of people invited ___fifty, but a number of them____ absent fordifferent reasons.
A.were; was
B.was; was
C.was; were
D.were; were.
指出肛门的生理功能"魄门亦为五脏使,水谷不能久藏"的是:()
A.《素问·生气通天论》
B.《素问·六节藏象论》
C.《素问·五脏别论》
D.《灵枢·本输》
E.以上均不对