我国正启动智能眼镜执法
我国正启动智能眼镜执法

Police in China have begun using sunglasses equipped with facial recognition technology to identify suspected criminals.
The glasses are connected to an internal database of suspects, meaning officers can quickly scan crowds. The sunglasses have already helped police arrest seven suspects. 
Police used the new equipment at a busy train station in the central city of Zhengzhou to identify the suspects. The seven people who were arrested are accused of crimes ranging from hit-and-runs to human selling. Police also identified 26 people who were using fake IDs. 
The technology allows police officers to take a photo of a suspicious person and then compare it to pictures stored in an internal database. If there is a match, information such as the person’s name and address will then be sent to the officer.
China is a world leader in facial recognition technology. The country has been building what it calls “the world’s biggest camera surveillance(监控) network”. It’s said that about 170 million CCTV cameras are already in place and some 400 million new ones are expected to be put into use in the next three years. Many of the cameras use artificial intelligence, including facial recognition technology.

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1.What are the facial recognition technology equipped sunglasses used for?

A To help the security checking.

B To identify suspected criminals.

C To compare ID card information.

D To offer self-service at public spaces.

解析：选B。细节理解题。根据第一段Police in China have begun using sunglasses equipped with facial recognition technology to identify suspected criminals.可知这种太阳镜是用于识别犯罪嫌疑人的，故选B。

2.What is the correct order for the police to identify suspected criminals? ①scan the crowd ②compare the photo with pictures in the internal database ③match and receive information ④ take a photo of a suspicious person

A ①②③④

B ①③②④

C ②③①④

D ①④②③

解析：选D。细节理解题。根据第二四段的内容can quickly scan crowds, take a photo of a suspicious person and then compare it to pictures stored in an internal database. If there is a match, information … will then be sent to the officer可知这种人脸识别眼镜鉴别犯罪嫌疑人的基本流程是扫描人群、对疑似犯罪嫌疑人进行拍照、将拍下的照片与内部的数据库进行对比、有匹配结果则数据库发送相关信息给拍照警察，因此为①④②③，故选D。

3.How many CCTV cameras may be there in use by 2020?

A 170 million.

B 230 million.

C 400 million.

D 570 million.

解析：选D。细节理解题。根据最后一段第三句It’s said that about 170 million CCTV cameras are already in place and some 400 million new ones are expected be put into use in the next three years.可知现在已经安装了1.7亿部CCTV摄像头，3年内还要再安装4亿台，因此到2020年的时候应该总共有5.7亿部CCTV摄像头投入使用，故选D。

4.Which of the following statements is TRUE?

A The special sunglasses cannot be got by the public.

B The sunglasses can run after the suspects and catch them.

C The 26 people use fake ID cards because they are criminals.

D Any person can buy such a pair of sunglasses and help to catch criminals.

解析：选A。推理判断题。根据第一段Police in China have begun using sunglasses equipped with facial recognition technology to identify suspected criminals.第三段第一句Police used the new equipment at a busy train station…和第四段第一句中的internal database可知这些设备是警用的，并不是普通民众可以购买到的，故选A。

5.What is the main idea of this passage?

A Facial recognition technology is in use in China.

B 7 human selling criminals were arrested in Zhengzhou.

C China uses special sunglasses to identify suspected criminals.

D China is the world leader in facial recognition technology.

解析：选C。主旨大意题。根据文章内容中国警察使用具有人脸识别功能的眼镜协助识别抓获犯罪嫌疑人可知选C。