Recommend a crash‑course teacher, hoping future kids can use it

Organic Chemistry: Bilibili 小小米晨 o
Inorganic Chemistry: Bilibili 殇雪千雨

I personally think it helped me a lot; in courses that often last several hours, a teaching video of just a few dozen minutes is truly rare and valuable. Even though I slept in class and skipped some sessions, I still managed to get a 91. Many thanks to the two teachers, and I hope this helps future learners.

Engineering Drawing: Bilibili shmilybaby423

It only covers the first half of the semester, but watching it together with the course is quite good. Personally recommend it; I couldn’t even reach 90 :rofl:

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To add, the MOOC for General Physics and Circuits at our school is especially good.

Analog Electronics Shanghai Jiao Tong University Zheng Yihui