G9 for pre-ap-chem, G10 for ap-chem in our case. cannot skip

来源: run2022 于 2025-01-26 13:38:43 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.