What can we learn from the passage? A. The Internet was invented in the 1990s. B. The World Wide Web was created by Bob Kahn. C. The World Wide Web was a great invention. D. Tim Berners-Lee was the father of networks.( )2. Why was the Internet nothing like it is now in the...
In the 1990s, a team at the Jet Propulsion Laboratory(JPL) worked to create cameras small enough to fit on spacecraft. Now lots of cameras use this technology, which makes camera phones possible. Memory foam(海绵) It was developed by NASA in the 1970s to help make pilots’ seats more ...
During the 1990s, DVDs enhanced the home movie-watching experience, Beanie Babies became ubiquitous, theChunnelopened, and the digital answering machine answered its first call. On the medical front, researchers discovered theHIVprotease inhibitor...andViagra. Apart from the fuel-cell-powered car and...
And if you prefer to use the crapper instead, then take note: The word "crap" isn't derived from Thomas Crapper's name. Some dictionaries trace the origins of the word back to the Dutchkrappe, which itself is derived from the Dutchkrappen, "to pluck or cut off." We'll let ...
That changed in 1991,when a British scientist(4)___(call) Tim Bemers-Lee invented the World Wide Web.The World Wide Web allows people to send various types of flies,such as texts,photos and videos by the Internet,so more and more people started to use it in the 1990s. Today...
We have got a large ___ help from them. A. plenty of B. amount of C. number of D. amounts of 5. ___to work, Bob met an old friend David. They hadn't seen each other for years. A. On the way B. In the way C. In a way D. By the way 6. My shoe is brok...
【教学重点】Tolearnaboutsomeexpressionsinthepassage.【教学难点】1.Togetinformationfromthearticle.2.Theuseofthephrases.【教学方法】PWPmethod,task-basedmethod【教学手段】Ataperecorder,multimediaandsomepictures【教学过程】TeachingProcedures:Step1Lead-inLookatthepicturesandanswerthequestions.Whatdidpeopleuseto...
In the 1990s, digital systems were introduced and began to prevail. Ironically, in many of them the sound recording is, as in Vitaphone, again recorded on a separate disk; but now, digital processes can achieve reliable and perfect synchronization. ...
The Dilagrama m/65 grenade launcher was used by the Portuguese army from the 1960s to the 1990s. The name is derived fromDispositivo delançamento degranadas demão –modelo de 1965(Device for launching handgrenades – model of 1965). This device was developed to fit the G3 Automatic ...
…的来信_ hear from11.在将来_ in the future12.在去… …的路上 on one's way to Useful words13.结果_ as a result14.被… …代替be replaced by and15. to some degree 在上16. go to sleep人睡expressions17. talk about谈论18. in ancient times在古代19. such as例如20. in the 1990s ...