每日即兴英文演讲 - What was the one of the craziest things happened at a celebration 03:11 每日即兴英文演讲Describe the time when you received your first cellphone 04:40 每日即兴英文演讲Is it better to fight or flit when we facing challenges? 05:04 每日即兴英文演讲 - Is it better to...
To start with, one of the most interesting things about a cell phone is that it is actually a radio --an extremely sophisticated radio, but a radio nonetheless. The telephone was invented by Alexander Graham Bell in 1876, and wireless communication can trace its roots to the invention of ...
Do you know how long it's been since mobile phones were first invented? On April 3, exactly 51 years ago, the first public call was made from a hand-held wireless phone.Martin Cooper, a US researcher at Motorola, made the call from a corner in New York City in 1973.People were ...
根据句子People were very surprised at the phone, 可知,人们对电话感到非常惊讶。因此答案为:They felt surprised.【小题3】由时间On April 3,exactly 42 years ago,可知,本题的时间发生在过去,因此用过去时;the first public call做主语时,谓语用被动,而且为单数形式。故答案为:was made。【小题4】题干的...
A cell phone has made communication so feasible that you can actually talk to or at least say a "Hi" to almost all your friends every single day. We now can have endless video conferenceswhich was only tagged for the affluent classjust a couple of years ago. 保持联系很简单 回到以前“有...
Who invented the telephone? Alexander Graham Bell invented the telephone in 1876, though there's some controversy over whether Bell was the true pioneer. When did telephones become common in homes? By 1920, roughly 30 percent of houses had a telephone. This rose to about 62 percent in the ...
Various steps and processes are involved in the creation of a cell phone. Each cell-phone company may market a different style or model of phone, but the production of each one of those phones follows a similar trajectory.
Who invented the telephone? Alexander Graham Bell invented the telephone in 1876, though there's some controversy over whether Bell was the true pioneer. When did telephones become common in homes? By 1920, roughly 30 percent of houses had a telephone. This rose to about 62 percent in the ...
Who invented the telephone? Alexander Graham Bell invented the telephone in 1876, though there's some controversy over whether Bell was the true pioneer. When did telephones become common in homes? By 1920, roughly 30 percent of houses had a telephone. This rose to about 62 percent in the ...
Shatner also states that "those pesky trekkies are everywhere in the space program," hence the name for the first Space Shuttle: Enterprise.The show then examines the life of Martin Cooper, the chief engineer at Motorola, who invented the cell phone. Cooper states that Star Trek was his ...