根据短文内容及首字母提示, 补全空格内单词, 使短文完整、通顺，每空一词（共10空；每空1分，满分10分）

H__小题1:___are very important to a person.  W__小题2:__ having any hobby, life won’t be as  colorful as it should be. I have all kinds of hobbies, such as c___小题3:____ stamps, playing musical instruments (乐器)，reading, and d__小题4:____ sport activities. When I am in a blue mood, I will also do my hobbies to c___小题5:___ myself up. Hobbies can help us c___小题6:___ our moods. Many hobbies n小题7:___ devotion(执着), for e___小题8:___, when you play a musical instrument, you have to p__小题9:__over and over in order to perform good music. After a period (时期)if you still enjoy it, gradually it will become a habit of yours. But remember a hobby is l___小题10:___gold under the ground, no hobby will come to you unless you dig it out yourself. If you can treat study as one of your hobbies, life will be more enjoyable.

下列有关热化学方程式的叙述正确的是[ ]

A.已知2H₂(g)+O₂(g)=2H₂O(g) △H=-483.6kJ/mol，则氢气的燃烧热为241.8kJ/mol

B.已知c(石墨，s)=C(金刚石，s) △H>0，则金刚石比石墨稳定

C.含20.0g NaOH的稀溶液与稀盐酸完全中和，放出28.7kJ的热量，则表示该反应中和热化学方程式为：

NaOH(aq)+HCl(aq)=NaCl(aq)+H₂O(l) △H=-57.4kJ/mol

D.已知2C(s)+2O₂(g)=2CO₂(g) △H1，2C(s)+O₂(g)=2CO(g) △H2，则△H1>△H2