【单选题】2006年,我国将每年_______第二个星期六设立为文化遗产日,自2017年起,将“文化遗产日”调整为“文化和自然遗产日”。
【单选题】He said if he had time, he to the cinemathat night.
【简答题】创造思维的过程包括4个阶段,分别是____、____、____和____。
【判断题】If he has time, he will go with us. ≠ Probably he has time and will go with us.
【判断题】在一维运动中,位置x单值函数的力是保守力。
【判断题】If he had time, he would go with us.=But in fact he has no time.