【判断题】平均利润率的存在要以要素的自由流动为前提。()
【简答题】Much______(使研究人员感到惊讶) , the outcome of the experiment was far better than they had expected.
【单选题】Thank you for giving me a hand. I ______ in the experiment without your valuable help.
【简答题】Use splitting to construct the equivalent minimal DFA: 。
【判断题】(判断题)同期平均法测算季节变动时不受资料是否有长期趋势的影响。
【单选题】It was when he began to make the new experiment in 1908 ______ such an ambitious plan.
【单选题】Experiment of this kind _____ in both the U.S. and Europe well before the Second World War. [ ]
【单选题】In Papousek's experiment babies make learned movements of the head in order to ______.
A.
have the lights turned on