如果被拖动的机械需要较高的起动转矩,应选用()
A.单鼠笼异步电动机
B.双鼠笼或深槽异步电动机
C.高转差率电动机
D.变速异步电动机
参考答案:B
下列关于《天朝田亩制度》与《资政新篇》关系的表述,不正确的是[ ]
A.《资政新篇》继承了《天朝田亩制度》反封建的主张
B.《资政新篇》继承了《天朝田亩制度》废除私有制的主张
C.《资政新篇》改变了《天朝田亩制度》在改造社会方案上的落后性
D.《资政新篇》改变了《天朝田亩制度》所倡导的社会模式
In each of the following groups of words, there are four underlined letters or letter combinations marked A, B, C and D. Compare the underlined parts and identify the one that is different from the others in pronunciation. Mark your answer by blackening the corresponding letter on the Answer Sheet.()
A. bee
B. tree
C. leg
D. she