A cellphone sends and receives information in a speedy way invisible to the human eye.What evidence from the passage supports this statement?
A、When a person speaks into a cellphone, his or her voice is broken down and reassembled over a radio link, so the person on the other end instantaneously hears what is said.
B、When computers first showed up around 1941, they were used to transmit sensitive information across geographical spaces by the military because of worries government officials had.
C、Although people may take for granted the ease with which they can pass along information through computers, many forces are at work to make computer communication more reliable.
D、Like cellphones, computers can receive, decode, and convert information, though typically this information is written content rather than someone's voice. 无解析
A、When a person speaks into a cellphone, his or her voice is broken down and reassembled over a radio link, so the person on the other end instantaneously hears what is said.
B、When computers first showed up around 1941, they were used to transmit sensitive information across geographical spaces by the military because of worries government officials had.
C、Although people may take for granted the ease with which they can pass along information through computers, many forces are at work to make computer communication more reliable.
D、Like cellphones, computers can receive, decode, and convert information, though typically this information is written content rather than someone's voice. 无解析