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【判断题】
圆形图是以圆的面积或圆内各扇形的面积来表示数值大小或总体内部结构的一种图形。( )A.
正确
B.
错误
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举一反三
【简答题】The Labour Party was the first party in Britain that______.
【单选题】The _____ of the party was to raise money for the students in poor areas.
A.
project
B.
progress
C.
purple
D.
purpose
【单选题】The reason why I missed the party was that my car was _________ in the traffic jam.
A.
held up
B.
hung up
C.
broken up
D.
kept up
【简答题】Describe in some detail the room in which the party was held?
【多选题】During the period of 1979-1997 when the Conservative Party was in office, the British goverment adopted the following policies.
A.
reducing old age pensions
B.
privatizing state-owned industries
C.
controlling the power of the trade unions
D.
emphasizing on the minimum wage and supplementing low incomes.
【多选题】变频调速过程中，为了保持磁通恒定，必须保持（）
A.
变频器输出电压不变
B.
变频器输出电流不变
C.
压频比不变
D.
U/F不变
E.
U•f不变
F.
输出功率不变
【简答题】The party was in _______ _________ when the police burst in. 晚会正进行得热火朝天的时候,警察闯了进来。
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