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【单选题】
刚体绕一定轴作匀变速转动时,刚体上距转轴为r的任一点的【图片】
A.
切向加速度和法向加速度均不随时间变化。
B.
切向加速度和法向加速度均随时间变化。
C.
切向加速度恒定 , 法向加速度随时间变化。
D.
切向加速度随时间变化 , 法向加速度恒定。
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举一反三
【单选题】Which of the following statements about financial markets and securities is TRUE?
A.
A bond is a long-term security that promises to make periodic payments called dividends to the firm's residual claimants.
B.
A debt instrument is intermediate term if its maturity is less than one year.
C.
A debt instrument is intermediate term if its maturity is ten years or longer.
D.
The maturity of a debt instrument is the number of years (term、to that instrument's expiration date.
【单选题】98()指的是地球表面高低起伏的形态。
A.
地物
B.
地貌
C.
地形
D.
山头
【简答题】Although we stated that real assets constitute the true productive capacity of an economy, it is hard to conceive of a modern economy without well-developed financial markets and security types. How w...
【判断题】地貌是指地球表面各种高低起伏形态变化的地形。()
A.
正确
B.
错误
【单选题】Which of the following statements about financial markets and securities are true?
A.
A debt instrument is long term if its maturity is ten years or longer.
B.
A bond is a long-term security that promises to make periodic payments called dividends to the firm's residual claimants.
C.
The maturity of a debt instrument is the time (term) that has elapsed since it was issued.
D.
A debt instrument is intermediate term if its maturity is less than one year.
【单选题】地貌是指地球表面高低起伏的形态,常用的表示地貌的符号是( )。
A.
等高线
B.
线形符号
C.
比例符号
D.
非比例符号
【单选题】98()指的是地球表面高低起伏的形态。
A.
B.
地貌
C.
D.
【判断题】地貌是指地球表面各种高低起伏形态变化的地形。()
A.
正确
B.
错误
【单选题】( )指的是地球表面高低起伏的形态。
A.
地物
B.
地貌
C.
地形
D.
山头
【判断题】Government loans are more efficient than production subsidies if a young industry faces financial markets that are unwilling to provide funding to the industry due to the high risk.
A.
正确
B.
错误
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