The Cell Phone: A Revolutionary Invention The cellphone is undeniably one of the greatest inventions in the modern era. It was first introduced to the world by Martin Cooper in 1973, in the United States. Since its inception, the cellphone has evolved from a bulky, basic communication tool in...
根据句意可知,invention “发明; 创意”符合。故选A项。 首先理解句意:手机是一种非常有用的现代___。 其次,分析各选项含义: A. invention 发明; 创意 B. impact 影响; 撞击 C. impulse 推动,驱使; 冲力 然后,根据句意可知,invention “发明; 创意”符合。 综上分析可知答案。反馈...
Cell phone is a very useful modern ___.A. inventionB. impactC. impulse 相关知识点: 试题来源: 解析 A 考查名词辨析。句意:手机是一个非常有用的现代发明。A. invention发明;B. impact影响;C. impulse冲动。根据句意“手机是一个非有用的现代发明”可知,这里需要填入“发明”这一含义,因此需要选择表...
but overall, cell phones are designed to be as user-friendly and straightforward as possible. That’s why even people who are not that familiar with technology, like my grandparents, can eventually learn how to use a cell phone.
The Invention of the Cell Phone Was a Multi-Generational Effort While demonstrated in 1973, it would be another decade of development before Motorola’s cell phone — the world’s first — made it to market, and commercial cellular service for handheld cell phones began. Selling for about$3,...
1The cell phone is useful invention of the last 50 years,however,some scientists the disappearance of bees. A. a;blame it for B. an;blame it for C. a;are blamed it for D. an;are blamed it for 2The cell phone is useful invention of the last 50 years,however,some scientists the...
I think my cell phone is the most important invention in my life. I did not think it would save a life, but I was wrong. Last week, I was leaving a convenience store when I heard a loud noise. I looked up a...
Today, it's hard to imagine a world without them. Even if you don't own one yourself, you probably see dozens of people talking on a cell phone every day. The rate at which we adopted the devices is astounding. But who invented them? To get the answer to that question, we need ...
The invention provides a cell phone, a method for powering on this cell phone and a placement of the power bottom thereof, and relates to the communication field.According to the invention, the cell phone is prevented from being started up by other people at will to check the information ...
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