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【单选题】
降压型零电压开关准谐振电路开关管开通,表述正确的是:A.
降压型零电压开关准谐振电路开关管在任何时刻开通都能实现零电压开通。
B.
降压型零电压开关准谐振电路开关管在一定的时间范围之内开通才能实现零电压开通。
C.
降压型零电压开关准谐振电路不能实现软开关。
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【单选题】The marketplace where short-term debt securities are traded is referred to as ______.
A.
a mortgage market
B.
a stock market
C.
a bond market
D.
a money market
【单选题】According to the expectations theory of the term structure
A.
the interest rate on long-term bonds will exceed the average of short-term interest rates that people expect to occur over the life of the long-term bonds, because of their preference for short-term securities.
B.
interest rates on bonds of different maturities move together over time.
C.
buyers of bonds prefer short-term to long-term bonds.
D.
buyers require an additional incentive to hold long-term bonds.
【判断题】The term money market is actually a misnomer, because liquid securities are traded in these markets rather than money.
A.
正确
B.
错误
【简答题】The short-term securities of the bank, including T-Bills and commercial paper, are often called __________________________ because they are the second line of defense to meet demands for cash.
【简答题】酒品风格主要从色、( )、味、( )四个方面进行品评。
【单选题】-- Do you want the window or the aisle? -- I’d like _____________ please. I heard the mountains are beautiful.
A.
the aisle
B.
the window
【单选题】An aisle is ________.
A.
a narrow area between rows of seats
B.
an area at the front of a classroom
【单选题】下列事件: (1)口袋里有伍角、壹角、壹元的硬币若干枚,随机地摸出一枚是壹角; (2)在标准大气压下,水在90°C沸腾; (3)射击运动员射击一次命中10环; (4)同时掷两颗骰子,出现的点数之和不超过12. 其中是随机事件的有 ( )
A.
(1)
B.
(1)(2)
C.
(1)(3)
D.
(2)(4)
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