Living In 2024, System from 1979?

Good news: I got a system. Bad news: The system time-traveled without me. Good news: I can still contact the system. Bad news: The system tasks seem a bit off… It’s 2024, Dang Jun looks at the system task he received: 【1. The college entrance exam has resumed. Please get into university and become the county’s only college student—this is the starting point of a great endeavor!】 When he digs out his college diploma from the bottom of a box… 【Ding!】 【Detected that the host not only got into university but has already graduated! Task overachieved! Rewards doubled!】 【Ding! Reward: 100 yuan in cash X2, 100 jin of nationwide food stamps X2, 1 Rhino Horn-Bezoar-Tiger Bon...