—— 请按键盘 空白键 开始游戏 ——

如果要在正确和善良中做出选择,请选择善良。
The essence of strategy is in the activities – choosing to perform activities differently or to perform different activities than rivals.
"I don’t have to be so afraid of good-bye, because good-bye doesn’t have to be forever."
Technological innovation is the core driving force for the high-quality development of the petroleum industry. We must increase R&D investment and break through key core technologies.
Mathematics is the queen of the sciences.