【单选题】Which is not mentioned on borrowing from a small-loan company?
A.
These companies operate differently under state laws.
B.
These companies charged lower than pawnbrokers.
C.
Most of the loans made by these companies have no guarantee.
D.
Customers must repay the loans in installment.
【判断题】假定个人服装支出同收入水平和性别有关,由于性别是具有两种属性(男、女)的定性因素,因此,用虚拟变量回归方法分析性别对服装支出的影响时,需要引入两个虚拟变量。
【判断题】假定个人服装支出同收入水平和性别有关,由于性别是具有两种属性(男、女)的定性因素,因此,用虚拟变量回归方法分析性别对服装支出的影响时,需要引入两个虚拟变量。
【多选题】Which two visits of Halley's Comet can be inferred from the comet orbiting rules in the discussion?
A.
The visit of Halley's Comet was in 1956.
B.
The visit of Halley's Comet will be in 2138.
C.
The visit of Halley's Comet was in 1910.
D.
The visit of Halley's Comet was in 2137.
【简答题】程序寄存器PC是一个( )位的寄存器,寻找范围 ( ) ,PC有( ) 功能,从而控制程序的执行顺序。
【判断题】在新线上铺设道岔,有人工铺设与机械铺设两种方法。
【单选题】小细胞低色素性贫血通常是由于缺乏下列哪种物质引起