听第二篇短文,回答第16至20小题。
(
C
)16. In which area has smart technology made life easier according to the text?
A. Only the home area.
B. A few areas like school.
C. Many areas such as home, work and travel.
(
A
)17. Which of the following is TRUE about smart devices?
A. Old people's devices are simpler to use.
B. Young people's devices are more expensive.
C. Old people's devices have more functions.
(
B
)18. What is mentioned as an example of a device for students?
A. A voice-controlled lamp.
B. A study robot.
C. A safety alarm.
(
A
)19. What is one problem mentioned about smart technology?
A. High cost.
B. Pollution.
C. Bad quality.
(
C
)20. What do many experts believe about the future of smart technology?
A. It will replace all human jobs.
B. It will become cheaper.
C. It will become better.