1. (2023高三下·安徽开学考) 听录音，回答问题。

1. （1） What can we learn from the article in 2017?

   A . People's interest in smartphones. B . People's fears of screen time. C . People's doubt about science.
3. （2） What were other researchers concerned?

   A . That the method was wrong. B . That the data was not enough. C . That the results might be misleading.
5. （3） Why were the results different?

   A . The scientists applied different sets of data. B . The scientists focused on different situations. C . The scientists surveyed different groups of people.
7. （4） What aspect should people pay more attention to according to the findings in 2019?

   A . What contents on kids' phones are. B . Whether children should be allowed to use phones. C . How much time kids should spend on their phones.