单项选择题

竞技状态出现时的主要特征表现在伦理学方面。
A. 对 B. 错

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单项选择题

A、正确
B、错误

It is all symbolized in my mind by the hugely successful art form that television has made central to the culture, the 30-second commercial: the tiny drama of the earnest housewife who finds happiness in choosing the right toothpaste. （CET4-2015.6）
A、 crucial
B、sincere and serious
C、considerable
D、material

答案： sincere and serious