How may different ways of contracting advertisers are mentioned in the above advertisements?
举一反三
- The main idea of the passage is______. A: to explain what advertisements are B: to reveal the purposes of advertisers C: to tell the reader how to read advertisements D: to classify advertisements into several types
- Living in different environments with different habits and customs, different nations may have different ways of classifying things.
- How many different forms of communication are mentioned here?
- Rosenberg holds that public advocates should [A] recruit professional advertisers [B] learn from advertisers’ experience [C] stay away from commercial advertisers [D] recognize the limitations of advertisements
- ______ is a property of object—oriented software by which an abstract operation may be performed in different ways in different classes． A: Method B: Polymorphism C: Inheritance D: Encapsulation