“白日依山尽，黄河入海流。欲穷千里目，更上一层楼。”这首诗所蕴含的认识论道理是（   ）

著名实业家张謇在《张季子九录•文录》中说，“起而革命者，代不乏人，然不过一朝一姓之变革而已，不足为异。孙中山之革命，则为国体之改革，与一朝一姓之变革迥然不同。”他之所以肯定辛亥革命，是因为

看图读一读，判断句子正误。

    Hi, I'm Sally. On my way to school, I can see some trees, they're green and brown. I can see some clouds(云). They're white. I can see a bike. It's under the tree. It's blueand black. I can see a yellow cat, it's in the tree. I can hear a plane. I canhear a dog. I can hear a car and a bus, too.