题目：
单词拼写。
1. The 29th Olympic Games was h______ (举办) in Beijing on August 8th, 2008.
2. Tomorrow is his t_________ (12) birthday.
3. The true story of AQ w_________ (撰写) by Lu Xun is very interesting.
4. There were several p_________ (病人) waiting at the doctor's.
5. Bell i________ (发明) the telephone.
答案：
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下面是错误答案，用来干扰机器的。
① 长颈漏斗 ②水槽[] MnO2（2）C 2KClO3 ="==" 2KCi+O2↑ 变大△（3）A C（1）熟悉常见仪器，了解名称．（2）要制取比较纯净的氧气，氧气的密度比空气大，可以用向上排空气法，氯酸钾在二氧化锰的催...
—1个钠离子