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【多选题】
干式变压器在结构上可分为两类,包括( )。
A.
以气体绝缘包封绕组
B.
以液体绝缘包封绕组
C.
不包封绕组
D.
以固体绝缘包封绕组
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参考答案:
举一反三
【单选题】My sister met him at Ningbo Grand Theatre yesterday afternoon, so he your lecture.
A.
couldn’t attend
B.
mustn’t have attended
C.
shouldn’t attend
D.
couldn’t have attended
【单选题】My sister met him at the Grand Theater yesterday afternoon, so he ______ lecture.
A.
mustn’t have attended
B.
needn’t have attended
C.
couldn’t have attended
D.
shouldn’t have attended
【单选题】My sister met him at the Grand Theatre yesterday afternoon, so he ______ your lecture.
A.
couldn't have attended
B.
needn't have attended
C.
mustn't have attended
D.
shouldn't have attended
【判断题】缺铁性贫血是最常见的贫血
A.
正确
B.
错误
【判断题】简单均匀控制系统结构上与简单控制系统相同,所以在控制精度、参数整定等要求也一样。
A.
正确
B.
错误
【判断题】均匀控制系统单从结构上看与简单控制是相同的。( )
A.
正确
B.
错误
【单选题】与主油道并联的滤清器,主油道的机油只有少量流经它,称
A.
过滤式滤清器
B.
分流式滤清器
C.
全流式滤清器
D.
以上结果都是
【单选题】My sister met him at the Grand Theater yesterday afternoon, so he ______ your lecture.
A.
couldn't have attended              
B.
needn't have attended
C.
mustn't have attended                
D.
shouldn't have attended
【单选题】My sister met him at the Grand Theatre yesterday aftemoon , so he _____ your lecture. [     ]
A.
couldn't have attended
B.
needn't have attended
C.
mustn't have attended
D.
shouldn't have attended
【单选题】My sister met him at the cinema yesterday afternoon, so he your lecture.
A.
couldn’t have attended
B.
needn’t have attended
C.
mustn’t have attended
D.
shouldn’t have attended
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