(单词翻译:单击)
When Matty Sallin was working on a degree in arts and technology at university, he got an interesting assignment in electronics class: create something for the household. He decided to create an alarm clock. "Everybody has to use an alarm clock of some kind every day, and it's extremely unpleasant!" he says. He asked different people what they'd like to wake up to instead of a noisy alarm. A lot of them said, "the smell of bacon." So Sallin invented a new kind of alarm clock: a wooden box with a pig face and a digital clock that uses the smell of cooking bacon rather than sound to wake someone up. He explains, "There's no danger of burning, because I built it carefully. It uses light bulbs instead of a flame for cooking and turns off automatically after ten minutes.” Just a few easy steps are required to set the "alarm." "What you do is put in a couple of frozen strips the night before," says Sallin. Bacon is preserved, so there is no danger of its spoiling overnight. "If you set the alarm for 8:00, it will turn on at 7:50 and slow cook for ten minutes under the bulbs," he says. "Then the bulbs turn off and a fan blows the smell out through the nose of the pig. So instead of an alarm, you smell yourself awake," says Sallin. "Then you can open the door on the side and pull the bacon out and eat it."
当马迪·沙宁在大学攻读艺术与科技学位时，电子课老师布置了一个有趣的作业：为家庭创造点什么。他决定制作一个闹钟。他说，“每个人每天都要用闹钟，而这非常的不愉快！”他问了不同的人除了吵闹的铃声，他们愿意被什么叫醒。很多人回答道:“培根的味道。”于是沙宁发明了一种新型闹钟：一个带有猪脸和数码时钟的木头盒子，这个闹钟用培根的味道叫醒人们，而不是声音。他解释道:“没有着火的危险，因为我制作地很小心。它用灯泡加热，而不是火焰，而且十分钟后会自动熄灭。”设置“闹钟”只需简单的几步。沙宁说，“你要做的就是前一天晚上放几片冰冻的肉条，”培根是腌制的，所以不用担心过夜会坏掉。他说，“如果你把闹钟设到8点，它会在7点50开启，在灯泡的作用下慢慢地加热10分钟。”沙宁说，“然后灯泡会关闭，一个风扇把香味通过猪鼻子散发出去。所以不是闹铃把你叫醒，而是你自己闻着香味醒过来。”“然后你可以打开侧边的门，拿出培根吃掉。”
Questions 20 to 22 are based on the passage you have just heard.
问题20到问题22依据你刚刚听到的短文进行提问。
Questions 20. What was Matty Sallin doing when he created an alarm clock?
问题20. 马迪·沙宁制作闹钟时在做什么？
Questions 21. What did Matty Sallin do before making the new type of alarm clock?
问题21. 马迪·沙宁在做新型闹钟前做了什么？
Questions 22. What makes the newly invented alarm clock so unique?
问题22. 这个新型闹钟为什么如此独特？
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