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【简答题】
LED 数码管按其内部电路连接方式可分为 和 二种结构。
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皮皮学刷刷变学霸
举一反三
【单选题】Assumptions for economic theories and models should be
A.
rejected if they are not totally realistic.
B.
logical rather than empirically testable.
C.
simple and reasonable rather than complex.
D.
maintained until overwhelming evidence to the contrary occurs.
【单选题】-Do you think it true that all the theories should ________ facts? -I don't suppose so. If so, there would be no predictions(预言) [ ]
A.
be made on
B.
be based on
C.
be set up with
D.
be built with
【单选题】Views on language and both influence theories on how language should be taught.
A.
views on language learning
B.
views on culture learning
C.
values of life
D.
styles of life
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