A. To solve word search puzzles. B. To send smartphone messages. C. To test their eyesight using a phone app. D. To install some audio equipment in a lab.
A. They could not go on until the ringing stopped. B. They could no longer concentrate on their task. C. They grabbed the phone and called back right away. D. They asked their experimenter to hang up the phone.
A rise in emotional problems. B. A decline in sports activities. C. A reduction in the amount of sleep. D. A decline in academic performance.
A. Protect the eyesight of the younger generation. B. Take effective measures to raise productivity. C. Realize the disruptive effects of technology. D. Ensure they have sufficient sleep every day.
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