We can use new ways to fight the novel coronavirus（新型冠狀病毒）.Le's meet these high-tech helpers in China!

Drones （無(wú)人機(jī)）    In some countryside，the police use drones to find people in groups.When they are found by the drones，the police will warn them through the loudspeaker（揚(yáng)聲器） on the drone.

Smart Robots    Time to eat!In some hospitals，smart robots help to send food to patients.The robots can also help to hand out medicine and show the way to people.

3 D "Hospitals"    A company in Shanghai has produced 15 mobile rooms within 24 hours by 3 D printing technology and sent them to Hubei for patients to live in.Each room is about the size of a bedroom.

AI System    At the Mudanyuan subway station in Beijing，an AI system can check people in crowds to see if they have fevers.About three hundred people can be checked by it in one minute.

（1）What will the police do when a drone find people in groups？

A

A

A．War the crowd.
B．Call up the crowd.
C．Send messages to the crowd.
D．Take the crowd to the police.
（2）What can the smart robots do in the hospital according to the passage？

C

C

①Play with the patients.
②Hand out medicine.
③Give directions.
A．①②
B．①③
C．②③
D．①②③
（3）How long did it take the company to produce 15 mobile rooms？

B

B

A．Within 24 minutes.
B．Within a day.
C．More than 24 hours.
D．Within 24 days.
（4）What's the main idea of the passage？

C

C

A．China's speed wins high praise.
B．Smart robots help to send food to patients.
C．Technologies help to fight the novel coronavirus.
D．The AI system can tell people if they have fevers.