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minutes The second night he slept for twelve hours, the third night he slept for ten and onehalf hours, and by the fourth night, he had returned to his normal sleep schedule. Even though Gardner recovered quickly, scientists believe that going without sleep can be dangerous. They say that people should not repeat Randy39。? After 24 hours without sleep, Gardner started having trouble reading and watching television. The words and pictures were too blurry(模糊) . By the 請點擊右上角的分享按鈕與好友共享 唯一交流 1294383109 third day, he was having trouble doing things with his hands. By the fourth day, Gardner was hallucinating(產(chǎn)生幻覺 ). For example, when he saw a street sign, he thought it was a person. He also imagined he was a famous football player. Over the next few days, Gardner39。s why the United Nations started the Framework Convention on Climate Change or UNFCCC. Every year the convention meets, and representatives from countries around the world gather to talk about climate change and discuss global solutions to the challenges of a warming world. 16. Scientists have been keeping records of lake temperatures for over 30 years A. Right B. Wrong C. Not mentioned 17 The temperatures of lake