【简答题】听力原文:What differences are there between British English and American English? What differences are there between British English and American English? The differences involve grammar, ______, etc.
【单选题】The sum of the real numbers xand yis 11. Their dif-ference is 5. What is the value of xy?
【多选题】在MACD应用法则中,当( )时为空头市场。
【单选题】根据标准属性的不同,对标准化领域中需要协调统一的技术事项所制定的标准是 ( ) 。
【单选题】-π,-少, 少 少 , 少 的大小顺序是( )
【单选题】—I haven’t worked the problem out yet. What am I supposed to do? —Try again! It’s only _________ difficult. [ ]
【简答题】What does the PAR mean ?What does "the DIF method "mean?
【单选题】根据标准属性的不同,对标准化领域中需要协调统一的技术事项所制定的标准是( )。
【简答题】10×46= 3×700= 33×30=