单项选择题 What does “blue” means in the two examples “a blue heart” and “a blue coat”separately? A、gloomy, depressed;gloomy, depressed B、gloomy, depressed;the color of the clear sky C、the color of the clear sky;gloomy, depressed D、the color of the clear sky;the color of the clear sky

不定项选择 以“教育”作为体育的属概念偏宽。

判断题 确定典礼出席名单时应考虑周到，不应让对方为难，更不应有随意邀请、滥竽充数的现象。