【判断题】- 0.25nu(-n)的Z变换的收敛域为|z|>0.25。 ( )
【单选题】In the happiness pie chart, error factors account for 10 percent.
【单选题】If the information in the table were converted into a circle graph (pie chart), then the central angle of the sector for Gomez would measure how many degrees?
【单选题】初判发生特别重大运营突发事件时,应启动几级应急响应,由事发地省级人民政府负责应对工作。
【判断题】汤姆是个聪明爱动的孩子,在他身上集中体现了智慧、计谋、正义、勇敢乃至领导才能等。