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【单选题】
工程设备费属于( )。
A.
材料费
B.
施工机具使用费
C.
设备购置费
D.
工程建设其他费
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参考答案:
举一反三
【简答题】Why did the boys put out the fire?
【单选题】保险企业盈利的主要来源是( )
A.
危险差益
B.
费用差益
C.
解约差益
D.
权利丧失差益
【判断题】质量型检测器响应信号与单位时间内进入检测器某组分的量呈正比,气相色谱属于质量型检测器的有FID、FPD检测器。
A.
正确
B.
错误
【单选题】胃十二指肠溃疡急性穿孔非手术治疗期间最重要的护理措施是( )
A.
补液
B.
半卧位
C.
胃肠减压
D.
应用抗生素
E.
全身支持治疗
【单选题】why did the geologists put up a fire to burn the gas?
A.
Because the ground has fallen down.
B.
ln order to explore more
C.
The gas is useless
D.
To stop the poisonous gases mixing with natural air
【简答题】根据下图,回答 121~125 题。 第 121 题
【单选题】Why did the geologists put up a fire to burn the gas?
A.
Because the ground has fallen down .
B.
In order to explore more .
C.
The gas is useless .
D.
To stop the poisonous gases mixing with natural air.
【简答题】根据以下图表,回答 66~70 题: 第 66 题
【单选题】Why did Diego say that Ripley had won the prize before he got to the fire station?
A.
、He smelled Ripley's strong stink and heard his booming bark.
B.
、He and Maggie had already searched every business in town.
C.
、He knew that lost dogs were sometimes taken to the fire station.
D.
、He heard someone say the winner was smelly and drooled.
【单选题】DSB调制波形具有和其他调制波形不同的是?
A.
包络能反映调制信号的特性
B.
频率是可变的
C.
载波在过零点反相
D.
相位是可变的
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