单项选择题 When expressing meaning, we don’t just use language, we need additional information.Match the term with its explanation.Information about the speaker and hearer.A.Why are the speakers talking to each other?B.When and where is the discourse taking place?C.By what means are the speakers interacting.D.Who are they and what is their relationship?

单项选择题 用户帐户是：（）A.普通的用户帐户就是为了某项服务而创建的B.在Windows 98和Windows 2000 Server中一样，都控制着用户在系统中的权限C.每个登录到网络的用户必须拥有的名称D.只是包括用户的名称和密码

单项选择题 In response to an enquiry, the exporter makes to provide necessary information required by the enquiry.A、an offerB、a firm offerC、a counter-offD、a quotation