“要爱护我们共同的家园——地球。”这句话向我们揭示的道理是（   ）

①地球是人类独有的，人类也只有这么一个栖息的家园

②保护地球就是在保护我们人类自己

③我们必须身体力行，保护自然和环境

④如果人类一味地过度开发和破坏自然资源，就会导致人类失去地球家园

①是集体的精神动力之源

②引领集体成员团结一致，开拓进取

③能够保证每个集体成员自觉承担集体责任

④是推动集体发展的内驱力

（参考数据： $\sqrt{3}$ ≈1.732，结果精确到0.1）

根据表格内容完成下面的短文，每空词数不限。

    Scott doesn't go to work on Sunday. On Sunday morning, he usually gets up late. He gets up at ____. After breakfast, he usually reads books or listens to music for ____. After that, he often ____ with his friends. In the afternoon, Scott ____ from 3:00 to 5:00. The Sunday evening is relaxing for Scott. He usually ____. Scott needs a good sleep. So he ____ and goes to bed at ____.