多项选择题What are the characteristics of an anecdote in a speech?( )A.It is a short scene.B.It is taken from personal experience.C.It is a story related closely to the main idea of the speech.D.It is a long story.
单项选择题在浮动汇率制下，一国国际收支赤字可由该国货币升值得到纠正。（）
