Calabash brothers（葫芦兄弟） are seven brave brothers. They live in Calabash mountain. They wear different clothes. The red calabash is strong, but he does not have his own ideas. The orange calabash has two bright eyes and ears. He can see far and hear clearly. The yellow calabash has a hard head. The green calabash can swim. The cyanine（青色的） calabash is good at fire and the blue calabash hides himself very well. The purple calabash has a magic gourd（葫芦）.

    One day a pangolin（穿山甲） breaks the cave and two monsters come out. They are Monster Scorpion（蝎子精） and Monster Snake（蛇精）. The seven brothers must fight with them and save the world.

下列做法中符合安全用电原则的是（　　）

14后面的第3个数是____，前面的第3个数是____。

 炭雕是一种集观赏、空气净化于一体的工艺品（如图），其主要成分是木炭．下列说法中错误的是（  ）

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