题目内容

接地体与接地线的总和称为()

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学校物质文化、制度文化、精神文化的统一体是()。

A. 校训
B. 班风
C. 校风
D. 校存

重锤式起升限位器内的弹簧因疲劳失去弹力时,弹簧应报废。

A. 正确
B. 错误

Given that t1 is a reference to a live thread, which is true?()

A. The Thread.sleep() method can take t1 as an argument.
B. The Object.notify() method can take t1 as an argument.
C. The Thread.yield() method can take t1 as an argument.
D. The Thread.setPriority() method can take t1 as an argument.
E. The Object.notify() method arbitrarily chooses which thread to notify.

抑制灭火法也是灭火方法之一,是通过消除燃烧过程中的()使火熄灭。

A. 火苗
B. 烟雾
C. 高温
D. 游离基

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