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【单选题】
翼面气动除冰通常用于
A.
中小型通用飞机.
B.
大、中型飞机.
C.
高亚音速飞机.
D.
涡扇式飞机.
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举一反三
【单选题】建立与完善多元化教育体系,要改进( )的培养支持方式。
A.
战略科学家和创新型科技人才
B.
应用技术性人才和创新型科技人才
C.
基础性研究人才和创新型科技人才
D.
基础性研究人才和战略科学家
【判断题】The earliest record of moxibustion was in Internal Medicine Canon of Huang Di .
A.
正确
B.
错误
【单选题】The micro needle recorded in The Internal Medicine Canon of Huang Di, can only be made of ( ).
A.
cooper
B.
stone
C.
bian stone
D.
iron
【简答题】阅读理解。 Hai Di lived in a city in the north. He wanted to visit some places in the south, but he didn’t want to spend too much money. Last summer he had a short vacation. He decided to take a trip to Ha...
【判断题】窗函数频谱的主峰瓣宽度越窄,旁瓣幅度越小,用其截取信号所引起的误差越小。
A.
正确
B.
错误
【判断题】窗函数频谱的主峰瓣宽度越窄,旁瓣幅度越小,用其截取信号所引起的误差越小。
A.
正确
B.
错误
【单选题】As he wanted to watch the tennis final of the Olympic Games, he left a pile of dishes unwashed in the kitchen.
A.
number
B.
stack
C.
group
D.
crowd
【判断题】窗函数频谱的主峰瓣宽度越窄,旁瓣幅度越小,用其截取信号所引起的误差越小
A.
正确
B.
错误
【判断题】新民主主义国家在经济方面存在五种经济成分。( )
A.
正确
B.
错误
【简答题】Huang Di Nei Jing (Huangdi’s Internal Classic) or Nei Jing (Internal Classic) for short,which comprises of two parts, namely .
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