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【单选题】
下列关于债券的流动性的说法中，错误的是( ) 。A.
债券的流动性好于股票
B.
国债的流动性好于公司债券
C.
短期国债的流动性好于长期国债
D.
债券的流动性弱于货币基金
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【多选题】一物体做匀变速直线运动，某时刻速度的大小为3m/s，在1s后其速度大小变为9m/s，在这1s内该物体的（）
A.
位移的大小可能等于6m
B.
位移的大小一定等于3m
C.
加速度的大小可能等于6m/s²
D.
加速度的大小可能等于3m/s²
【单选题】听力原文：Man: In the late 1850s Chinese laborers flooded into American and it was not until early 1860's that many more Chinese arrived in California. Was there any improvement for Chinese's living condit...
A.
Early 1830s.
B.
Late 1840s.
C.
Late 1850s.
D.
Early 1860s.
【简答题】In
the early 1850s, with the westward movement, the slavery became a serious
political issue enering the unity of the country because _________.A. whether or not
slavery would expand into the futu...
【多选题】一物体做匀变速直线运动,某时刻速度大小为v1=4m/s,1s后的速度大小变为v2=10m/s,在这1s内物体的加速度大小
A.
可能小于4
B.
可能等于6
C.
一定等于6
D.
可能大于l0
【简答题】BCD码是指用等值的( )位二进制数来表示1位十进制数,即二进制编码的十进制数。 BCD码分两类: 组合的BCD码,指用1个字节的二进制数表示2位的十进制数 非组合的BCD码,指用1个字节的低四位表示1位的十进制数,高四位为( )
【单选题】一物体做匀变速直线运动,某时刻速度大小为 4m/s,2s后速度大小变为10m/s,则在这2s内该物体的加速度大小可能为 ( )
A.
2 m/s 2
B.
5 m/s 2
C.
6 m/s 2
D.
7 m/s 2
【单选题】In the early 1850s, with the westward movement, the slavery became a serious political issue endangering the unity of the country because ________.
A.
whether or not slavery would expand into the future states formed as a result of the westward movement would affect the balance of power in the Senate
B.
the South insisted that slavery should be allowed to spread into all new territories
C.
the North refused to let slavery spread into new territories
D.
the North wanted to put an end to slavery
【单选题】It can be inferred from the passage that before 1850s, all of the following were characteristic of higher education EXCEPT______.
A.
the elective system
B.
drilling
C.
strict discipline
D.
rote learning
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