【简答题】颜色模式中色光三原色是指 、色料(印刷)三原色是指 。
【单选题】Young scientists cannot realize______ soon that existing scientific knowledge is not nearly so complete, certain and unalterable as many textbooks seems to imply.
【判断题】三原色是指红、黄、蓝三种颜色。原色,就是无法用任何颜色混合而成的颜色。
【单选题】听力原文:M: Good morning . May I help you? W: Good morning. I' d like to get three 50-cent stamps. M: Here you are. One dollar and 50 cents in all, please Where are they?
C.
In a department store.