客户漫游到乌拉圭需要用到哪类手机？（）
A.单频手机；
B.双频手机；
C.三频手机；
D.短频手机。
参考答案：C
人民法院对专门性问题认为需要鉴定的，应当交由( )鉴定部门鉴定。
A．法定
B．人民法院指定的
C．当事人约定的
D．仲裁庭指定的
The price value of a basis point (PVBP) for a bond is most accurately described as:（）
A. the product of a bond’ s value and its duration.
B. the change in the price of the bond when its yield changes by 0.01%.
C. an estimate of the curvature of the price-yield relationship for a small change in yield.
