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【判断题】
10年期的零息债券的凸性比息票率为6%、久期为10年的债券的凸性大。A.
正确
B.
错误
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举一反三
【单选题】Which is NOT the advantage of the nuclear stations?
A.
The nuclear stations are safer than the coal-fired stations.
B.
The cost of building the nuclear stations is more than that of the coal-fired stations.
C.
The cheaper running of the nuclear stations can offset its great construction.
D.
The nuclear stations are much cleaner than the conventional ones.
【单选题】统计是从社会经济现象的（）
A.
质的方面去研究其量的方面
B.
量的方面去研究其质的方面
C.
质与量的辨证统一中研究其量的方面
D.
质与量的辨证统一中研究其质的方面
【单选题】Taxis outside hotels are usually safer，but more_______ for the day hires，which charge more than the passing ones.
A.
pleasant
B.
attractive
C.
expensive
D.
efficient
【单选题】输液时液体滴入不畅,注射部位肿胀、疼痛,挤压输液管有回血其原因是
A.
针尖滑出血管外
B.
针尖斜面一半在血管内,一半在血管外
C.
静脉痉挛
D.
针梗不完全堵塞
E.
针头斜面紧贴血管壁
【单选题】社会经济统计是从社会经济现象的 ( )
A.
量的方面去研究其质的方面
B.
质与量的辨证统一中研究其质的方面
C.
质的方面去研究其量的方面
D.
质与量的辨证统一中研究其量的方面
【单选题】Which of the following is the best title for the passage?
A.
School Buses Even Safer for Children
B.
Seat Belts Needed on School Buses
C.
Alternate Safety Devices and Procedures
D.
Safety in and Around School Buses
【单选题】Which of the following statements is NOT true?
A.
Wood-bunting stoves are safer and more efficient than they used to be.
B.
No factories exist for the purpose of producing dirty wood chips.
C.
Both catalytic combustors and wood agitators save money in the long run.
D.
Wood-burning stoves with catalytic combustors cost between $ 100 and $ 200.
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