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【简答题】
一台汽轮同步发电机并联到无限大电网运行,同步电抗Xt*=0.5,忽略电枢绕组电阻,不考虑磁路饱和的影响,若此时电枢电流为额定运行时电枢电流的90%,cosφ=0.8(滞后),则此时同步发电机向电网输送的有功功率标值Pem*= ( ) (答案四舍五入保留两位小数)
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【简答题】Match the words or expressions in Column A with those in Column B according to 1)types of meaning changes; 2)types of meaning;3)language branches and 4)meaning and context.
【单选题】描述数据库物理存储结构与物理存取方法的是
A.
概念模式
B.
内模式或物理模式
C.
用户模式
D.
外模式
【单选题】Thank you for _____ me of the meeting which I would otherwise have forgotten. [      ]
A.
remembering
B.
telling
C.
reminding
D.
recalling
【判断题】Connotative meaning and social meaning are two of the 7 types of meaning recognized by G.Leech.
A.
正确
B.
错误
【单选题】—Lily went to see the movie alone. —If she _____ me about it, I would have gone with her.
A.
should tell
B.
tells
C.
told
D.
had told
【多选题】Which of the following are the types of change of meaning of English words?
A.
extension
B.
specialization
C.
degradation
D.
elevation
【简答题】Match the words or expressions in Column A with those in Column B according to 1)types of meaning changes;2)types of meaning;3)language branches and 4)features of idioms
【单选题】—I am not good at playing football, would you mind ________ me? —not at all.
A.
teach
B.
teaching
C.
to teach
D.
taught
【单选题】Would you mind ____ me how ____ English words? [    ]
A.
telling; to remember
B.
tell; can I remember
C.
telling; remembering
D.
tell; to remember
【单选题】—Would you like to attend China's Got Talent (中国达人秀)? —_________ But I'm busy revising for my test. [     ]
A.
Don't mention it.
B.
I'd love to.
C.
That's all right.
D.
My pleasure.
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