A few years ago, I started to notice big shifts in teens’ behavior. Around 2010, teens started to sp

C. To introduce the extracurriculum reading situation of iGeneration.
D. To show the influence of reading on iGen teenagers’ mental health.
29. What is the fifth paragraph mainly about?
A. Depression and anxiety are the common symptoms of mental problems.
B. Mental problems can be found in large numbers of iGen teens. - ,
C. Net-addicted teenagers are more likely to suffer from mental problems.
D. iGen teens’ mental problems are getting more and more attention.
30. What can be a suitable title for the text?
A. How the Smartphone Affected an Entire Generation of Kids?
B. Parents Are Getting Serious about Teen Smartphone Addiction.
C. Smartphones for Teens: Smart or Stupid?
D. Smartphones Are Changing iGen Teen’s Lifestyle.

答案27-30 DCBA