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【单选题】
一台单相双绕组变压器的额定容量为10kVA,额定电压为220/110V,今若改接为330/220V的自耦变压器,该自耦变压器的额定容量应为:( )A.
60kVA
B.
30kVA
C.
20kVA
D.
10kVA
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反馈参考答案：
举一反三
【单选题】The yield curve shows
A.
the yields on stocks of different maturities.
B.
the interest rates on bonds of different maturities.
C.
the yields on stocks with differing default risk.
D.
the yields on bonds with differing default risk.
【单选题】—Hi, Jim. I haven't seen you for a long time! You look well! —_______. You look well, too. [ ]
A.
Great
B.
Thanks
C.
Oh, no
D.
Not at all
【单选题】-----Hi, I haven’t seen you for years. You look well. -----________. You look well, too.
A.
Great
B.
Thanks
C.
Oh, no.
D.
Not at all
【单选题】The curvature of the price-yield curve for a given bond is referred to as the bond's
A.
modified duration.
B.
immunization.
C.
sensitivity.
D.
convexity.
E.
tangency.
【单选题】听力原文：M: Hi, Claire, how does it feel to be hack on campus? W: Keith, hi, well, to tell you the truth, I have mixed feelings. M: Oh, why? W: I had this great summer job that I really hated to leave. I ...
A.
The birds won't learn to keep away from people.
B.
She might change her major.
C.
She wasn't quite ready to come back to campus.
D.
There are more endangered species in zoos than in the wild.
【简答题】Why does Tony pull a long face?
【单选题】Bruna, as well as his sister,( )enrolled in the computer course
A.
have
B.
has
C.
having
D.
haven
【简答题】,被薜荔兮带女罗。 既含睇兮又宜笑, 。 乘赤豹兮从文狸, 。 被石兰兮带杜衡, 。 余处幽篁兮终不见天,路险难兮独后来。 表独立兮山之上, 。 杳冥冥兮羌昼晦, 。 留灵修兮憺忘归,岁既晏兮孰华予? 采三秀兮于山间,石磊磊兮葛蔓蔓。 怨公子兮怅忘归, 。 山中人兮芳杜若, 。 君思我兮然疑作。靁填填兮雨冥冥, 猿啾啾兮狖夜鸣。风飒飒兮木萧萧, 。 z
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