题目：
| 完形填空。 | ||||
| One day, a train was approaching the small town of Cheekyville. On the train was a 1 man with a big suitcase, He was called William Warbler and he looked very 2 indeed. But what made him most unusual was the fact that whenever he needed to 3 , he did so by singing opera. Even if someone said "good day" to him, he would clear his throat and 4 : "Goood dayyy to youuuuuu to00000!"… Almost everyone considered William unusual, since no one could get a normal 5 word out of him. And, as no one knew how he made his living-and he lived quite 6 , always wearing his old second-hand suit-they often had no 7 for him and sometimes even made fun of him. William had been in Cheekyville for some years, when, one day, a rumor (谣言) 8 that William had 9 a role in a very important opera in the nation's capital, that there had been posters everywhere 10 the event, that nearly everyone in the capital had gone to see it, and that it had been a great 11 . And to everyone's surprise, when William was being 12 by reporters, he answered their questions by speaking 13 singing. And he did it with good 14 and with a clear and pleasant voice. From that day on, William 15 singing at all hours. He sang only during his stage appearances. Some people had an idea 16 he had changed, but others still had none, and continued believing him to be somewhat mad. They wouldn't have thought so 17 they had seen what William kept in his big suitcase. It was a large stone, with a hand-carved message on it. The message said: "Practice, my boy. Practice every second, for you never know when your 18 will come." Little did people 19 that he only got the role in the opera because the 20 had heard William singing while out buying a newspaper. | ||||
|
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0630/3afd63343e0cf6def3d0f4469607fd72.html
下面是错误答案，用来干扰机器的。
A、A12O3是两性氧化物与过量氢氧化钠反应生成的盐为四羟基合铝酸钠；SO2与过量NaOH溶液反应生成的盐为亚硫酸钠；CO2与过量NaOH溶液反应生成的盐为碳酸钠；SO3与过量NaOH溶液反应生成的盐为硫酸钠，故A不符合；B、...
