下列关于人体内激素、腺体的叙述错误的是（　　）

氢气（H₂）、一氧化碳（CO）、辛烷（C₈H₁₈）、甲烷（CH₄）的热化学方程式分别为：
H₂(g)+1/2O₂(g)=H₂O(l)  △H=－285.8 kJ/mol
CO(g)+1/2O₂(g)=CO₂(g)  △H=－283.0 kJ/mol
C₈H₁₈(l)+25/2O₂(g)= 8CO₂(g)+9H₂O(l)  △H=－5518 kJ/mol
CH₄(g)+2O₂(g)=CO₂(g)+2H₂O(l)  △H=－890.3 kJ/mol
相同质量的H₂、CO、C₈H₁₈、CH₄完全燃烧时，放出热量最少的是               

阅读理解，根据短文的意思，选择最合适的答案。

    Mr Brown lives in a nice house in a small town with his wife(妻子), Mrs Brown. From Monday to Friday he works in an office near his house. He is free on Saturdays and Sundays. He has a nice garden beside his house. He likes growing flowers and he often works in the garden on Saturdays and Sundays. The flowers are very beautiful and Mrs Brown likes them very much. She often helps Mr Brown.

读图，回答问题：

为了制定1954年宪法，***同志亲自主持，广泛征求意见。当时全民讨论了近三个月，参加讨论的有1亿5千多万人，最后由宪法起草委员会整理的意见共138万条，为宪法的制定提供了重要的条件。这说明1954年宪法