如果两个数之和是正数,则关于这两个数的说法中,正确的是
A.一个是正数,一个是负数
B.两个都是正数
C.至少有一个是正数
D.至少有一个负数
答案:C
He is a very honest official and never _____ any gifts from the people who sought his help.
A.accepted
B.received
C.took up
D.excepted
加味地黄丸1功效与作用