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【单选题】
我国国债结构调整的一个主要方向是提高( )的国债持有比重。A.
机构投资者
B.
个人持有者
C.
国外投资者
D.
中央银行
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【单选题】Choose the phrase that is closest in meaning to the underlined part. Since each individual frame of a film is equivalent to a discrete sampling operation, if the rate of spokes passing a given angle i...
A.
if the movie frame rate is too high with respect to the rate of spokes
B.
if the time interval between movie frames is too short with respect to the rate of spokes
C.
if the spokes move across a large angle to give the rate of movie frames
D.
if the rate of the movie frame is too low with respect to the rate of spokes
【单选题】Under an option contract, the right to buy an asset at a specified price for a specific time interval is______.
A.
short option
B.
long option
C.
call option
D.
put option
【单选题】对于一定温度下的金属丝杨氏模量,说法正确的是( )。
A.
只与材料的物理性质有关与材料的大小和形状无关
B.
与材料的大小有关而与形状无关
C.
与材料的形状有关而与大小无关
D.
杨氏模量标志着金属材料抵抗弹性变形的能力
【多选题】The model of your personal world is constructed by associations that link idea of _____, events, _____, and _____that co-occur with some regularity, either at the same time or within a relatively shor...
A.
circumstances
B.
actions
C.
reasons
D.
outcomes
【单选题】A constant force is exerted on a cart that is initially at rest on an air track. Friction between the cart and the track is negligible. The force acts for a short time interval and gives the cart a c...
A.
four times as long as that for the stronger force.
B.
twice as long as that for the stronger force.
C.
equal to that for the stronger force.
D.
half as long as that for the stronger force.
E.
a quarter of that for the stronger force.
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