Unlimited Full Marks in College Entrance Examination, Global Technological Explosion

Returned from the future. He learned that the Ice Age was coming in ten years. Twenty years later, alien civilization invaded and the earth officially entered the dark forest age. Ding dong! Activate the college entrance examination selection system! Option 1: Unlimited full marks in the college entrance examination. Option 2: 100 million yuan reward. Ask the host to make a choice! Faced with this choice, Fang Chuan's eyes suddenly lit up, and a magical idea popped into his mind. Ever since, a super answering machine was born. The Ministry of Education tailored the college entrance examination papers for Fang Chuan. Please design a 5mm photolithography machine! Please design the F20 fighter! Please tell me how to prepare cancer specific drugs! Please name a method of controlled nuclear fusion! Just when China became the world's number one technological power. The Ice Age is here! College Entrance Exam Question: How can all mankind survive the Ice Age? Answer: Formulate the 'Nantianmen' plan, build the 'Ancient Heavenly Court' ecosystem, and launch a comprehensive counterattack! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.