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问题
判断题
尾部烟道二次燃烧时,锅炉应降低负荷运行。
答案
参考答案:错
判断题
判断下列图片与时钟是否相符。
What time is it?
1. It's seven o'clock.
( )
2. It's twelve o'clock.
( )
3. It's 6:00 o'clock.
( )
4. It's 1:05.
( )
5. It's five fifty.
( )
6. It's 6:30.
( )
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单项选择题 A1/A2型题
最常能听到的胸膜摩擦音的部位是()
A.前上侧胸壁
B.前下侧胸壁
C.前下胸壁
D.后下胸壁
E.肩胛间区
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