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2021届山东济南市高三下学期3月模拟考试英语试题 Word版含答案(无听力试题)

日期:2024-05-03 科目:英语 类型:高中试卷 查看:55次 大小:25605Byte 来源:二一课件通
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试题,2021届,考试,答案,版含,Word
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Who says inventions are only made by grown-ups and professionals? Over the years, children have also succeeded in making their useful contributions to the world. Here area few inventions that came to life from the minds of young children. Hero Helmet Seven-year-old Samuel Meyer's invention is aimed at stopping people from riding their bikes or skateboards without using a helmet. The Hero Helmet features an inbuilt remote that controls a lock on the wheels which unlocks when the Helmet is being worn by the rider. Samuel says: no helmet, no bike. Robotic Earthworm The first thought that comes to mind is,why a robotic earthworm? Well,ten-year-old David Cohen had some useful applications in mind. He believed it could be used to find victims after a flood, earthquake or fire.The robot could get into small and dangerous places where search dogs and humans could not go.

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