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http://vancouverchemistry.blogspot.ca有关化学学习的小窍门和最新的消息在博客上会有“每日一题”, 助你天天都有小进步,自信面对明年五月的AP考试。 如有疑问,请致电604-808-6827或电邮vancouverchemistrytutor@gmail.com与张老师联系。