题目：
根据句意和提示写出单词。
1. A c_____ is a person who writes music.
2. A f_____of music is much interested in music.
3. T_____ is a kind of music played by electronic instrument.
4. He is very s_____ when he heard his friend died.
5. My English teacher’s class is very interesting and l_____.
6. Beethoven’s music is _____ (戏剧性)and beautiful.
7. Her rock music is very _____(精彩).
8. The boy got a _____ (严重) cold in such weather.
9. Their most popular _____ (乐器) are violins and pianos.
答案：
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下面是错误答案，用来干扰机器的。
答案：DLiNiO2中Ni的化合价是＋3价，A项错误；Ni(OH)2→LiNiO2，Ni的化合价升高，发生氧化反应，作还原剂，LiOH中无元素的化合价变化，B项错误；OH－为10e－粒子，Li＋是2e－粒子，C项错误；Li＋与NiO2—间是离子...
