A. 物理性质 B. 还原性质 C. 化学性质
A. GDP=私人消费+政府购买+净出口 B. GDP=私人消费+私人投资+政府购买+总出口 C. GDP=私人消费+私人投资+政府购买+净出口
A. 触觉 B. 听力 C. 嗅觉
Are you doing anything then? B. It&39;ll be a lot of fun. C. Have you heard about it? D. We&39;d love to have you around