【简答题】查找8位编码: 经洗涤、消毒的人发( )
【单选题】We should learn from the model workers.
【简答题】[精馏-课后]测定全回流和部分回流总板效率(或等板高度)与单板效率需测几个参数?取样位置在何处?全回流时测得板式塔上第n、n-1层液相组成,如何求得Xn*?部分回流时,又如何求Xn*?
【判断题】太史公是将自己理想用文字写下来流传后世以得不朽的个中典范。
【单选题】impresses me most is Chinese students are well organized and disciplined. We should learn from them.
【单选题】According to Lao Tzu, we should learn from?
【单选题】We should learn from ( )