数据库设计的根本目标是要解决( )。
A.数据共享问题 B.数据安全问题C.大量数据存储问题 D.简化数据维护
参考答案:A
(2014年安徽省合肥市高三第三次教学质量检测)23. -- Don't you think Carl was brave to go wingsuit flying?
-- Personally, I think he was ______. He shouldn’t have risked his life to do so.
A.as mad as brave
B.madder than braver
C.more mad than brave
D.brave rather than mad
列举民法上的意思表示不真实的情形。