若发现发电机温升超过铭牌的规定，就应降低发电机的（），直至发电机温升不超过铭牌规定的温升为止。
A.功率
B.机械效率
C.有功功率
D.出力
参考答案：D
银行汇票实际结算金额的更改，须由原记载人签章证明。
It was ______ who has accomplished the functional linguistics and made the London School of Linguistics one of the most competitive linguistic theories in the world. A. M.
A．Halliday
B．Bronislaw Malinowski
C．Firth
D．Sigmund Freud
