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【简答题】
热电偶有两个 极。测,置于被测温度场中的接点称 ,置于恒定温度场中的接点称 。
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【简答题】A．Some problems people might be faced with in an American office. B．The differences in office life between the USA and Europe. C．Office routines in the USA. D．The democratic aspect of American office ...
【单选题】转子的许用不平衡量可用质径积 [mr] 和偏心距 [e] 两种表示方法,前者 。
A.
．便于比较平衡的检测精度；
B.
．与转子质量无关；
C.
．便于平衡操作。
D.
与转子有关
【单选题】Why did some people worried that the mirror might be excesses of vanity?
A.
Because pocket and hand mirror became a marker of status.
B.
Because mirrors were extremely expensive during that time.
C.
Because only wealthy people can afford buying a mirror.
D.
Because mirrors were invented for important figures.
【简答题】When looking for love, people may go to some extreme lengths. They might go on blind dates set up by family and friends. They might write personal ads to place in newspapers. Or they might use a compu...
【单选题】关于滑膜关节的叙述，不正确的是
A.
由关节软骨、关节囊、关节腔构成
B.
关节腔内为负压
C.
关节囊分泌滑液
D.
滑膜关节比直接连接的灵活性好
E.
关节腔内含有滑液
【单选题】我国自古以来就是一个统一的多民族国家,各民族共同缔造了伟大的祖国。 据此回答 1 ~ 3 题。 在党的民族政策光辉照耀下,我国 56 个民族心相连、手相牵,共同缔造了一个文明和谐的大家庭。可见在我国 ( )
A.
逐步形成了平等团结互助和谐的社会主义民族关系
B.
民族差异已经消除
C.
伴随各民族的共同繁荣，民族问题已经消除
D.
各民族逐步走向大同
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