题目

任务型阅读“Without music, life would be a mistake, ” famous German philosopher(哲学家) Friendrich Nietzsche said over a century ago. Music is a (A) big part of our lives. But in recent years, some US schools have cut music classes to control budgets(预算). For example, Chicago public schools hurt arts education when it fired (解雇) over 1, 000 teachers. Among (B) them, 10 percent of the teachers taught art or music, according to The Washington Times. In fact, this is not just a problem in the US. In other (C) ________, such as China and Britain, music class is not thought to be4．下列表述正确的是（　　）A．一个处于n=4能级的氢原子最多能向外辐射三种频率的光子B．随着温度的升高，黑体辐射强度的极大值向波长较长方向移动C．核力具有饱和性和短程性，原子核为了稳定，故重核在形成时其中子数多于质子数