更多"What is this passage mainly talking"的相关试题:
[单项选择]What is the passage mainly talking about
[单项选择]What is this passage mainly talking about
A. Worldwide recognition of surveillance.
B. Face recognition technologies and surveillance.
C. Privacy protection and security measures.
D. Different views on face scanning technologies.
[单项选择]The passage is mainly about
A. computer crimes
B. banking via computer
C. computer errors
D. computer businesses
[单项选择]The following short passage is mainly about
A. knowledge acquisition research.
B. knowledge-based system development.
C. the conceptual computational structures.
D. the cognitive processes.