根据句意及首字母提示完成单词。

1. C______ is the biggest and the most important festival in the west on December 25.

2. The books are for the a ______. The children can't read them.

3. N______ the temperature of our body is 37℃.

4. She likes g______ better than apples.

5. People eat rice dumplings to r______ Qu Yuan.

请指出电机铭牌中接法三角形代表的意义。