Who are you fooling? A certain China Railway Bureau went to two universities in Harbin to recruit students, and the requirements given made the students angry
Comprehensive questions of buoyancy and pulley sets, with solid basic skills, so that you can answer them correctly~ Junior high school physics questions
Only after taking the civil service exam did I understand that it was easier to get ashore in these positions, so I would not suffer any losses if I knew it in advance.