人教高中英语复习课堂练习31 ：选择性必修3 Unit 1　Face values Word版含解析.doc

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选择性必修第三册　Unit 1　Face values
A组·基础巩固
Ⅰ. 语法填空
A
No. 11 High School in Hangzhou is using facial recognition technology 1. ________ (analysis) the behaviour of students in the classroom, and to keep a record of their attendance. The system involves a facial recognition camera 2. ________ scans the classroom every 30 seconds. The camera is designed to log six types of behaviours by the students: reading, writing, hand raising, standing up, listening to the teacher, and leaning on the desk. It also records the facial expressions of the students and logs whether they look happy, upset, angry, fearful or 3. ________ (disgust). The information collected by the system can help teachers better supervise the performance of their students. On top of that, the system can help teachers rethink their teaching methods 4. ________ (use) statistical data, as well as cut the time needed to check class attendance 5. ________ only a few seconds.
However, 6. ________ are some concerns about students' privacy among the public. Zhang Guanchao, the school's vice principal, explained that privacy was considered in the design of the system, saying “Data collection and application focus on behaviour 7. ________ (manage) of the entire class rather than any individuals.” He also emphasised that the system 8. ________ (it) is not connected to a cloud server, 9. ________ to a local server, in