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【判断题】
NH 4 HCO 3 水溶液的质子条件式为: [H + ]+[H 2 CO 3 ]=[NH 3 ]+[CO 3 2- ]+[OH - ]A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】The design needs to allow for the expansion and of metal.
A.
contraction
B.
distraction
C.
abstract
D.
trace
【单选题】客户关系管理系统（CRM）的基本功能应包括（）
A.
自动化的销售、客户服务和市场营销
B.
电子商务和自动化的客户信息管理
C.
电子商务、自动化的销售和市场营销
D.
自动化的市场营销和售后服务
【单选题】● 客户关系管理系统（CRM）的基本功能应包括（25） 。 （25）
A.
自动化的销售、客户服务和市场营销
B.
电子商务和自动化的客户信息管理
C.
电子商务、自动化的销售和市场营销
D.
自动化的市场营销和售后服务
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