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单项选择题

下列哪项是呼吸窘迫的临床表现（）

A.气促
B．鼻翼煽动
C．吸气性三凹征
D．呼吸性呻吟
E．吸气性呻吟
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小高的英语HE体系，目标：培养英语专业能力。适合学员：英语专业发展；意向出国留学（）
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Passage 2: The Annie F. Warren Grammar School was a red-brick building, set back from the main highway on a black tar street, surrounded by barren gravel playgrounds. The dingy back entrance to the school was deep-set in a long passageway which was an excellent place for surprise captures and sudden rescues. (From Johnny Panic and the Bible of Dreams by Sylvia Plath) Passage 2 is an example of subjective description.
单项选择题
电缆夹层、电缆竖井、电缆沟中敷设的直流电缆和动力电缆均应选用阻燃电缆；非阻燃电缆应包绕防火包带或涂防火涂料，涂刷应覆盖阻火墙两侧不小于米范围（）
A.1
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C．1.3
D．1.5
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