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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】“树不修不直，人不教不才”，“遇良医得生，遇庸医致死”这说明( )。
A.
外因是事物变化的根本原因
B.
外因是事物变化的根据
C.
外因在一定条件下能够改变事物发展的进程
D.
外因不一定通过内因而起作用
【单选题】Media Selection for Advertisements After determining the target audience for a product or service, advertising agencies must select the appropriate media for the advertisement．We discuss here the majo...
A.
it has large audiences
B.
it appeals to housewives
C.
it helps build up a company's reputation
D.
it is affordable to most advertisers