【简答题】data showed that over 3 billion trips are expected to be made during the 40-day travel rush that started on Jan 10, posing a challenge to the country's transport system. ( office, consider )
【单选题】When analyzing the treatment effects of 100 discharged patients, the results showed that 15 patients was cured, 30 obvious effects, 50 improvement, 3 deterioration, 2 deaths. Then which data type does...