—Yes. ________.
A:No pain, no gain
B:Many hands make light work
C:Actions speak louder than words
D:A friend in need is a friend indeed
He is a much better (好得多) tennis player (运动员) than(比)me. When we play, he always wins(获胜)____________.
清朝末年,咸丰皇帝派遣林则徐前往广州查禁鸦片。( )
如图所示,正方体ABCD﹣A1B1C1D1的棱长为8cm,M,N,P分别是AB,A1D1,BB1的中点.
(1)画出过M,N,P三点的平面与平面A1B1C1D1的交线以及与平面BB1C1C的交线;
(2)设过M,N,P三点的平面与B1C1交于Q,求PQ的长.
结合材料,运用“企业的经营与发展”的有关知识,分析说明企业应如何迎接人工智能这一科技革命的挑战。