A、错
B、对
A、错
B、对
A、Paraphrasing.
B、Using Abbreviations.
C、Writing every word we hear.
D、Using symbols.
A、Punctuation marks.
B、Chemical symbols.
C、Arrows symbols and line symbols.
D、Mathematical symbols.
A、错
B、对
A、 In 2020.
B、 In 2021.
C、 In 2022.
D、 In 2019.
A、3 years.
B、4 years.
C、1 year.
D、2 years.
A、$400 billion.
B、$200 billion.
C、$300 billion.
D、$100 billion.
A、The replacement cycle for a car is longer than mobile phones.
B、The risks associated with connected cars are more serious than those with mobile phones.
C、Cars are more heavily regulated than mobile phones.
D、The profit margin of car busin
A、Yes.
B、Not given
C、Not clear.
D、No.
A、 Everything we run into has an impact on our brain.
B、 Research on sample of adolescents found that there is small and negative association between technology use and well being.
C、 We can research our brain with the help of technology.
D、
A、
D、 Not clear.
B、
C、 Not given
C、
B、 No.
D、A、 Yes.
A、 The information of sound could inform city agencies where they should cut the noise most.
B、 Only professionals can participate in the “SONYC” project.
C、 Noise is one of the biggest civic complaints of the residents of New York city.
D、
A、It is proposed to develop the science of machine listening.
B、It is proposed to monitor the noise pollution in urban areas.
C、It is proposed to develop citizen science.
D、It is proposed to relieve the noise pollution in urban areas.
A、Machine learning.
B、Ubiquitous learning.
C、Human volunteers.
D、A network of sensors.