听力篇章_3

Questions 22 to 25 are based on the passage you have just heard.

22.

What were the college students in both groups required to do in the study?

To solve word search puzzles.

To send smartphone messages.

To test their eyesight using a phone app.

To install some audio equipment in a lab.

23.

What do we learn about many of the students in the second test group after the phone ring?

They could not go on until the ringing stopped.

They could no longer concentrate on their task.

They grabbed the phone and called back right away.

They asked their experimenter to hang up the phone.

24.

According to the passage, what is the most dramatic impact of smartphone use?

A rise in emotional problems.

A decline in sports activities.

A reduction in the amount of sleep.

A decline in academic performance.

25.

What does the speaker suggest people do?

Protect the eyesight of the younger generation.

Take effective measures to raise productivity.

Realize the disruptive effects of technology.

Ensure they have sufficient sleep every day.

CET4