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【单选题】
项目可行性研究要为项目的( )对项目投资的最终决策提供科学依据。A.
贷款机构
B.
决策部门
C.
审查部门
D.
施工单位
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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】销售与应收款管理系统中使用的库存产品代码,( )。
A.
两组代码是不相同的概念
B.
不允许在销售系统中进行设置
C.
必须与库存管理子系统中的代码保持一致
D.
两组代码互不相关
【单选题】一物体做匀变速直线运动，某时刻速度大小为4m/s，1s后速度的大小变为10m/s，在这1s内该物（）
A.
位移的大小可能大于10m
B.
加速度的大小可能大于10m/s 2
C.
位移的大小可能小于2.5m
D.
加速度的大小可能小于4m/s 2
【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
【单选题】In the early 1850s, with the westward movement, the slavery issue became a serious political issue endangering the unity of the country because______.
A.
whether the future states formed as a result of the westward movement should be free or slave 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】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
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