A:分子式为C25H20,属于苯的同系物
B:该物质不能发生硝化反应
C:能使溴水和酸性KMnO4溶液褪色
D:1 mol该物质最多能与12 mol氢气发生反应
如图所示的电学实验装置,说法正确的是( )
Some of the students went swimming, and ____ ____ ____ them went to play football.