【单选题】The total number of the unemployed in that region has remained_______ the same for the past five years.
【单选题】While the total number of farmers engaged in the agriculture production is barely half ______it used to be in 1959, the size of the average farm has tripled.
【单选题】When the particle size of the powder particle is 2 nm, the ratio between the number of surface atoms with the total number of atoms of the particles is .
【判断题】普通高中音乐课程是人文学科的一个重要领域,是实施美育的重要途径,是面向全体学生的必修课程。()
【单选题】What is the total number of different 5-digit numbers that contain all of the digits 2,3, 4, 7 and 9 and in which none of the odd digits occur next to each other?
【判断题】艺术教育是实施美育的重要途径,对于培养德、智、体等方面全面发展的社会主义事业的建设者和接班人,塑造完美的人格,提高全民族的素质,具有不可替代的作用。()
【判断题】一个系统从平衡态A到达平衡态B,状态A的熵【图片】与状态B的熵【图片】之间大小关系为【图片】
【判断题】一个孤立系统从平衡态A到达平衡态B,状态A的熵【图片】与状态B的熵【图片】之间大小关系为【图片】