[名题精选]2021届五校联盟高三级第一次联考英语试题（附文档下载方式）
dangerous driving behaviors, such as not wearing a seat belt and making phone calls while driving, might also be added into this warning system.
1.What can we know about the 2020CIFTIS?
A. It was held online
B. It lasted for more than a week.
C. It highlighted advanced technologies.
D. It used service robots to assist people
2.What is the main feature of the AI-powered garbage-sorting robot?
A. High accuracy.
B. Easy operation.
C. Safe recycling process.
D. Extremely low operating costs.
3.How does the warning system identify fatigued drivers?
A. By using a bionic machine
B. By examining the driver with imaging sonar.
C. By monitoring the driver’s brain activity.
D. By analyzing the driver’s body movements.
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