He then connected them with a steel headband (束发带) and the first earmuffs were invented! Wristies While some kids just complain when snow gets in their mittens (连指手套) and their hands get wet. 10-year-old Kathryn Gregory decided to do something about it. She created the first pair...
1.The telephone was invented by Bell in 1876.2.Tea is the most popular drink in the world.3.Do you know when the basketball was invented 4.Potato chips were invented by mistake.5.Please put the food into the fridge, or it may get bad.(二)听短对话,选择最佳答案。你将听到五段对话,...
19.Zippersarewidelyusedinour___nowandtheywereinventedattheendofthe19thcentury. 20.Movies___weremadein1926inAmerica. 第二部分(笔试共90分) Ⅲ.完形填空(共20小题,计20分) 第一节: Onceuponatime,therewasascientist.Hewantedtostudy__21__.Theninthelaboratoryhe__22__twopeanuts(花生)intoatallglassb...
Hersheys, one of the largest chocolate makers in the world, recently announced that it would start producing chocolate with the help of 3-D printers. NASA, the US space agency, has reportedly spent $125,000 (767,594 yuan) developing a “3-D pizza printer”. It is not yet clear how ...
3D printers are awesome tools,but if your school doesn’thave one, don’tlet that hold you back. 2. Let student interest lead theway. Be careful not to overly script build activities; children will fill thegap with their own creativity. This should be a relief to parents and teachers!
Hersheys, one of the largest chocolate makers in the world, recently announced that it would start producing chocolate with the help of 3-D printers. NASA, the US space agency, has reportedly spent $125,000 (767,594 yuan) developing a “3-D pizza printer”. It is not yet clear how ...
had to wear masks (口罩) when they were out. They needed to do this in their (71) daily (day) lives to protect themselves. (72), wearing masks all day long isn't comfortable. Quinn Callander, a little boy from Canada, has invented the “ear guard" to help people deal (73) with...
3D printing is another new technology for the future. 3D printers are already used to make life-size models of car parts, and man-made body parts, such as ears. As we move into the future, 3D printing will be widely used. It will change the way we make things and the way we treat...
(46) By the date of his birth Europe was witnessing the passing of the religious drama, and the creation of new forms under the incentive of classical tragedy and comedy. These new forms were at first mainly written by scholars and performed by amateurs, but in England, as everywhere else...
“What’s so innovative about that?” a librarian in Toronto asked when I showed her pictures. Innovation to her meant digital technology, like 3D printers. “Why couldn’t they both be innovative?” I asked. We are constantly told that innovation is the most important force in our economy...