He taught people _________ love God and to love each other.[ ]
A. to
B. for
C. of
答案:A
据《灵枢•本神》篇所述,心有所忆谓之()
A、意
B、心
C、志
D、思
E、虑
如果(x+1)与(x+a)的乘积中不含x的一次项,则a=______.