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【多选题】
隋唐长安城采用的是三城层环形式，三城（ ）。A.
B.
内城
C.
皇城
D.
外
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反馈参考答案：
举一反三
【简答题】DNA的变性:双链DNA在变性因素(如过酸、过碱、加热、尿素等)影响下,解链成单链DNA的过程称之为DNA变性。DNA变性后,生物活性丧失,但一级结构没有改变,所以在一定条件下仍可恢复双螺旋结构。
【单选题】有一笔分录:借方登记“生产成本”账户,贷方登记“制造费用”账户,该分录涉及的经济业务是( )。
A.
车间发生生产性质的共同耗费
B.
生产耗用工程用材料
C.
月末分配本期发生的制造费用
D.
发生车间管理人员的薪酬
【单选题】In each of the 13 trials, how did the magnitude of the electrical force exerted by Sphere X on Sphere Y compare to the magnitude of the electrical force exerted by Sphere Y on Sphere X ?
A.
The magnitude of the electrical force exerted by Sphere X on Sphere Y was greater than the magnitude of the electrical force exerted by Sphere Y on Sphere X.
B.
The magnitude of the electrical force exerted by Sphere X on Sphere Y was less than the magnitude of the electrical force exerted by Sphere Y on Sphere X.
C.
The magnitude of the electrical force exerted by Sphere X on Sphere Y was the same as the magnitude of the electrical force exerted by Sphere Y on Sphere X.
D.
Cannot be determined from the given information
【简答题】一笔单利计算的3年期贷款最终偿付利息是6万元,而市场平均利率为6%,那么本金应为多少?
【单选题】The potential of a uniformly charged sphere is lowest at ( )
A.
infinity.
B.
a distance from the sphere equal to its radius.
C.
a distance from the sphere equal to its diameter.
D.
the surface of the sphere.
E.
the center of the sphere.
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