在群体生活的鸟类和哺乳类中，各个组成成员之间根据______大小、______强弱、______状况和______程度的不同，排成______，其中只有一个______是最占优势者，它的特点是：______等．

根据汉语提示完成句字。

1. In spring, the weather gets warm and everything ________ ________

    ________ ________ (苏醒) in March.

2. It's cold in winter. We can ________ ________ (堆雪人) in winter.

3. There are many ________ ________ ________ (名胜) in Beijing.

4. People watch the lantern show and guess ________ (灯谜).