单项选择题

洛可可设计的高山流水是一款加湿器产品。
A、正确
B、错误

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多项选择题
A device in which electric current is produced at the expense of spontaneous chemical reaction is: A. voltaic cell B. voltameter C. galvanic cell D. both a and c
单项选择题
According to the passage, Artificial Intelligence can be applied in the following fields EXCEPT _____.
A．playing games
B．handling different accents and voices
C．going into the war
D．performing extreme tasks
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