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【判断题】
图档标注的尺寸以毫米为单位时,不需标注代号或名称。A.
正确
B.
错误
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举一反三
【简答题】For Norman, which of the following
statements about problems is NOT true?A. Problems are actually a sign of life. B. Problems should be removed as quickly as possible C. Problems are nothing to be afr...
【单选题】关于铸件的几种凝固方式下列说法正确的是( )
A.
纯金属和合金一般发生逐层凝固
B.
宽结晶温度范围合金不发生逐层凝固
C.
体积凝固铸件组织细密，热烈纹倾向小
D.
相比金属型，砂型更有利于发生逐层凝固
【单选题】Which of the following facts was NOT one of the reasons for the Norman Conquest?
A.
Edward the Confessor had promised William, the Duke of Normandy to be his heir.
B.
William was Edward's cousin.
C.
Harold had not been chosen by the Witan.
D.
Harold was appointed by Edward the Confessor in England.
【单选题】Which of the following facts was NOT one of the reasons for the Norman Conquest?
A.
Edward the Confessor had promised William, the Duke of Normandy to be his heir.
B.
William was Edward's cousin.
C.
Harold had not been chosen by the Witan.
D.
Harold was appointed by Edward the Confessor in England.
【单选题】For Norman, which of the following statements about problems is NOT true?
A.
Problems are actually a sign of life.
B.
Problems should be removed as quickly as possible.
C.
Problems are nothing to be afraid of.
D.
Problems are not necessarily something negative.
【简答题】Learn to do research, (8)_____, understand specialists
【单选题】关于铸件的几种凝固方式下列说法正确的是( )
A.
纯金属和窄结晶温度范围合金一般发生逐层凝固
B.
结晶温度范围合金不发生逐层凝固
C.
体积凝固铸件组织细密，热烈纹倾向小
D.
相比金属型，砂型更有利于发生逐层凝固
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