He didn't _______ a nice weekend. [ ]
A. has
B. had
C. have
D. having
答案：C
盐城的仙鹤、神鹿、奇花分别是（）。
A、菊花
B、丹顶鹤
C、麋鹿
D、枯枝牡丹
金匮肾气丸制方原理涉及（）
A．壮水制火
B．补气生血
C．填精化血
D．阴中求阳
