A:而是不仅必须
B:而是不仅必需
C:只是既必需
D:只是既必须
(1)将101111011(2)转化为十进制的数;
(2)将53(8)转化为二进制的数.
能改变水资源空间分布且符合可持续发展原则的措施是( )
— Jim took one-hour ride just now. What a short time he spent finishing such a long way!— He is experienced rider.
“君人者,隆礼尊贤而王,重法爱民而霸,好利多诈而危。”这句话体现了谁的思想? ( )