George: It was invented in 1973, by Martin Cooper, an Americanengineer working for Motorola. With 30 years of development, mobilephones now look much smaller than the first one. Some can takepictures and send e-mails as well.Alicia:How about the digital camera? Does the article say ...
When was the first mobile phoneinvented?M: It was invented by Martin Cooperin 1973.*3. Mobile phone. / He thinks it is mobile phone. / He thinks mobile phone is the mostuseful invention. / He thinks the most useful invention is the mobile phone.4. In 1973. / It was invented in ...
如:in the morning/afternoon/evening;on:表示在具体某一天(如日期、生日、节日或星期几)及具体某一天的上午、下午和晚上。如:on May 4th; on the morning of July 2; on Sunday afternoon; on a cold winter evening等。3.--- did you stop playing?--- Because I was tired.A. How B. Why C. ...
M: Do you know when it was invented? W: Yes. It was invented in America in 1973. What's your favorite invention, Peter? M: Oh, I like the TV best. I think I can learn a lot on TV. W: Do you know when the TV was invented? M: Of course I do. It was invented around ...
手机是在1973年被美国人马丁库帕发明的。手机可以被用作照相机、收音机;它也可以收发信息、上网等。 Very many people thought the handset is in the modern life an important part.You knew who the handset is invents? When is it also is invented? Tells you.The handset was invented in 1973 by the...
Very many people thought the handset is in the modern life an important part.You knew who the handset is invents? When is it also is invented? Tells you.The handset was invented in 1973 by the American Martin storehouse handkerchief.The handset may serve as the photographic camera, the ...
手机是在1973年被美国人马丁库帕发明的。手机可以被用作照相机、收音机;它也可以收发信息、上网等。 Very many people thought the handset is in the modern life an important part.You knew who the handset is invents? When is it also is invented? Tells you.The handset was invented in 1973 by the...
Thefirst handheld cellular mobile phonewas invented in 1973. But it took another 20 years for the first commercially available cell phones to start paving the way for today’s technology. In 1993,IBM’s Simonwas the first phone released with a touch screen and built-in apps, including a con...
The other, more massive flavors are produced only in high-energy interactions and decay extremely quickly. They are typically observed in mesons, which can contain different combinations of flavors as quark-antiquark pairs. The last of these, the top quark, was theorized in 1973 by Makoto Kobaya...
8 9 C A 听下面一段对话,回答第8和第9两个小题。 W: Victor, is the cellphone your favorite invention? M: Yeah, Emma. I can't imagine living without a cellphone. It was invented in America around 1973. W: But I don't like cellphones. I get really annoyed by people who let their...