They could manage to create amazing things with their simple understandings.Braille Braille, a system used by blind people for reading, was actually invented by Louis Braille(1809-1852). He was just three when he suffered(遭受) a serious eye injury. Not long after that, he became completely...
5. A Chance Observation That Led to Velcro In the 1940s, Swiss engineer George de Mestral observed a simple yet intriguing phenomenon. After taking his dog for a walk in the countryside, he noticed that burs from the burdock plant were stubbornly clinging to his clothes and his dog...
I really wish they'd eliminated a few songs and focused much more on the story...but that is personal taste and the 1950s musicals often were more music than story. Compared to these other musicals, this one is just okay...and the Jolson sequences are, not surprisingly, dated. Seeing...
根据第三段中的“and she thought she could apply that idea to”并结合第二段中的“Secretaries often found themselves difficult to correct errors”可知,此处的blunders表示“错误”,故选D项。 22选A 推理判断题。根据第三段中的“Graham was fired from her job for her spending too much time ...
In a 1950 paper titledComputing Machinery and Intelligence, Alan Turing used a test which involved a human deciding whether an entity that the person was texting with was a human or a computer. Of course, he did not use the term “texting” as that had not yet been invented, rather he ...
Graham mixed up water-based paint with dye (染料) that matched her company's paper. Then she was able to quicklycorrect her errors. Soon, the other secretaries were asking for the product, which Grahamcontinued to produce in her kitchen. Graham was fired from her job for her spending too...
New York City has the Empire State Building, Hollywood has cutout letters strung across a hillside, and Santa Monica has its pier: a single, focus-pulling element that looms large in the public consciousness. So large, in fact, that it attracts an estimated 10 million tourists a year. Some...
1.Wecaninferfromthepassagethat___. A.NostampswereprintedinthefirsttwoWhiteOlympics??? B.Thefirststampsmarkingtheopeningcameoutforthe3rd?WhiteOlympics C.The3rd?WhiteOlympicswasintheUSA D.The3rd?WhiteOlympicswereheldin1932 2.Theworldmadeitaruletopublishstampstomarkthegreatworldgames___. A.aftertheyear1...
American soldiers picked up sukoshi while they were stationed in Japan after World War Ⅱ. They brought it back with them to the United States in the 1950s. While the English word is a noun, the Merriam—Webster Dictionary notes that, sometimes we also use the word as an adverb, such ...
Rather than a traditional viewpoint, you are treated to 360-degree views of Old Havana through a live image that is projected onto a dark screen; the optical device that facilitates this was invented by Leonardo Da Vinci. Watching people going about their daily lives amongst the wealth of his...