the"father of the cellphone". In the early 1970s,Cooper worked for American technology company Motorola.At the time,Motorola and other companies were competing to create cellphones.Cooper made the first public call (2) Da handheld telephone in New York City on April 3,1973.The device(设备)...
At the time, Motorola and other companies were competing to create cellphones. Cooper made the first public call 2 a handheld telephone in New York City on April 3, 1973. The device, called Dyna-TAC, weighed about 1 kilogram and was 28 centimeters long. He has 3 the phone with his ...
Dr. Martin Cooper is the person credited with both inventing the modern cell phone as well as making the first cell phone call in New York City, New York in April 1973. A related invention is the cave radio phone invented by Nathan Stubblefield who was a
根据前文“Cooper made the first public call from a handheld portable telephone on April 3, 1973.”可知,库珀发明了手机,所以是他的发明。故选D项。 (7)题详解: 考查形容词词义辨析。句意:今天,虽然库珀很高兴他的发明为手机用户开辟了一系列技术可能性,但他认为许多人只是太沉迷于他们的设备。A. ...
Alexander Graham Bell invented the telephone in 1876. And then in 1900, on December 23 on the outskirts of Washington, D.C., an inventor named Reginald Fessenden accomplished a remarkable feat: He made the first wireless telephone call. He was the first to transmit the human voice via radio...
1D to create wireless phones that could work in vehicles and also be carried可知,可以在汽车上工作又可以随身 携带的无线电话,应该是便携式的 下文“Cooper made the first public call from a hand-held portable telephone on April 3. 1973." 也是提示 故选Davailable可获得 :suitable合适的; changeable...
Who invented the first cereal? Bland Beginnings: Today, cereal is so plentiful and the variety so vast that entire aisles of the grocery store are dedicated exclusively to this breakfast food. The basic cereal is made from grain, whether the grain is rice, wheat, corn, or oats. While most...
What year was the floppy disk invented? Who invented the DVD? Who invented the first microprocessor? Who invented the CD? Who invented the internet? Who invented the first calculating machine? Who invented digital media? Who made the first computer in India?
The man who made the first call from a wireless phone is now 94 years old. 第一个用无线电话打电话的人现在已经94岁了。 The year was 1973. 那一年是1973年。 Martin Cooper operated a large, heavy new communication device on a street...
Cooper made the first public call from a handheld portable telephone on April 3, 1973. The device, called Dyna TAC,___about 1.1 kilograms and was 23 centimeters long. Today while Cooper is pleased that his___has opened up a series of technological possibilities for cellphone users, he think...