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2019ҵУп⣺Զÿһ47

2019-03-25 10:29:32| й

2019ҵУ԰ƸΪ˰˳μӿԣɽƸҵģϰԤףλ˳2019ҵУп⣺Զÿһ47

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66.첽綯ԭ( )

A.ѹ̫ B.תųٶ̫

C.תع

67.һ̨첽綯϶תظʱԴѹ½10%ʱĵת( )

A.T=TN B.T=0.8TN C.T=0.9TN D.T>TN

68.һNPNڵ·УֲUBE>0UBC<0UCE>0ܹΪ( )

A.ֹ B. C.Ŵ

69.˷ɵĵ·Уڷ״̬ĵ·( )

A.Ŵ B.ַŴ C.ѹȽ

70.ԷŴ·о̬Ҫ( )

A.ȷѹŴ

B.ȷ̬

C.ȷ

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