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【判断题】
数控机床编辑状态时模式选择开关应放在EDIT。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】Firefighters are often asked to speak to school and community groups about the importance of fire safety,particularly fire prevention and detection. Because smoke detectors reduce the risk of dying in...
A.
hierarchical order
B.
comparison-contrast
C.
cause-and-effect
D.
chronological order by topic