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【单选题】
某一三相电路带大电感负载,回路电阻RL=5Ω,变压器Δ/Y接法,初级接380V,控制角α=0o时,输出平均电压为234V,流过晶闸管的电流有效值为 。
A.
46.8A
B.
34.4A
C.
20A
D.
27A
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【判断题】人员配备的首要原则是能力。( )
A.
正确
B.
错误
【单选题】某企业2009年度自有生产用房原值5000万元,账面已提折旧1000万元。已知房产税税率为1.2%,当地政府规定计算房产余值的扣除比例为30%。该企业2009年度应缴纳的房产税税额为( )万元。
A.
18
B.
33.6
C.
42
D.
48
【单选题】某企业2008年度自有生产用房原值5 000万元,账面已提折旧1 000万元。已知房产税税率为1.2%,当地政府规定计算房产余值的扣除比例为30%.该企业2008年度应缴纳的房产税税额为( )万元。
A.
18
B.
33.6
C.
42
D.
48
【简答题】阅读理解 Some children are talking about what they like doing at school. 1. What does Peter think is cool? A. Listening to music. B. Being good at playing basketball. C. Reading many books. D. Hating musi...
【简答题】My name is Mike. I have a big family. It’s Saturday morning. My grandfather is sitting on the sofa near the window. He is reading the newspaper. My grandmother is taking photos of some flowers in the ...
【单选题】电子数据交换的简称是( )
A.
SET
B.
EFT
C.
EDI
D.
EC
【单选题】电子数据交换的简称是
A.
B2C
B.
B2B
C.
C2C
D.
EDI
【简答题】一般来说,南方高温地区宜选用()石油沥青,北方寒冷地区宜选用()石油沥青。
【单选题】人员配备的首要原则是()。
A.
量才使用原则
B.
人事动态平衡原则
C.
因事择人原则
D.
因材施任原则
【简答题】阅读理解。 It's Sunday morning. My family are all at home . My father is sitting near the window. He's reading newspapers. He wants to know what happen all over the world. My mother is watering the flowers...
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