单选题 According to the video, the birth of language was considered as the most important of all mankind’s inventions mainly because ________.
A、a person could speak out his or her own wishes
B、a person could share the knowledge with others
C、language could improve our standard of living
D、language could allow us to travel beyond our boundary
单选题 According to the video, the reason why China is working furiously on the 5G network is ________.
A、it promises the fastest Internet speed
B、it will allow devices to communicate with virtually zero lag time
C、it holds a narrow lead over South Korea, the U.S. and Japan
D、
it would pave the way for cutting-edge advances
单选题 Which application of 5G technology will be used in surgical procedures?
A、A surgeon is performing an operation using a virtual reality headset and a special glove.
B、A patient is operated on by a robotic arm.
C、A surgeon remotely controls a robotic arm through 5G technology.
D、A patient is treated with an automatically controlled robotic arm.
单选题 According to the video, the experiment by the German Emperor, Friedrich Ⅱ, proved that children ________.
A、could not be raised by nannies for feeding and cleaning
B、could be raised by nannies without interacting socially
C、could develop language naturally by themselves
D、could not develop language naturally by themselves
单选题 According to the video, 5G represents ________.
A、the fifth generation of mobile cellular communications
B、the fifth generation of mobile communications
C、the fifth generation of cellular communications
D、the fifth generation of cellular mobile communications
单选题 According to the video, the critical period for the growth of the brain to learn language is ________.
A、between birth and age three
B、between birth and age five
C、between age three and five
D、after we grow up
单选题 The research of Pat Levitt from Harvard University showed that our brain’s ability to change _________.
A、increases with the years of life
B、decreases with the years of life
C、varies dramatically across the life
D、depends on our personal ability to change
单选题 The research of Pat Levitt from Harvard University showed that our brain’s effort to change _________.
A、increases with the years of life
B、decreases with the years of life
C、varies dramatically across the life
D、depends on our personal ability to change