为避免装置开工时因炉膛内急剧升温，水分大量汽化而损坏炉墙，因此必须要烘炉。
参考答案：对
按正确的顺序排列下列句子。
A. The second day, we went to the Palace Museum.
B. Did you go shopping?
C. The first day, we went to Tian'anmen Square.
D. What did you do?
E. Yes! The third day, we went to Wangfujing.
F. What else did you do?
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下列图一是人体调节产热的主要途径示意图，图二是有关体温调节的部分神经结构示意图，请据图回答有关问题：
图一中A除了分泌激素②以外，还能分泌与③有协同作用的激素是（）
