【单选题】下列有关颜色深度的说法不正确的是:
B.
颜色深度确定灰度图像的每个像素可能有的灰度级数
C.
如果图像的颜色位数为2,则每个像素的颜色只能是黑或白
D.
如果图像颜色深度为n,则该图像能够支持的最大颜色数为2的n次方
【单选题】The expected return on a common stock is equal to: (capital appreciation/gain rate:(P1-P0)/P0 , dividend yield:Div1/P0)
A.
(1 + capital appreciation rate)/(1 + dividend yield)
B.
[(1 + dividend yield) × (1 + capital appreciation rate)] - 1
C.
the capital appreciation rate + dividend yield
D.
the capital appreciation rate - dividend yield
【单选题】Which one of the following correctly describes the dividend yield?
A.
this year's annual dividend divided by today's stock price
B.
this year's annual dividend divided by next year's expected stock price
C.
next year's annual dividend divided by this year's annual dividend
D.
next year's annual dividend divided by today's stock price
【单选题】电子商务的分类按参与主体可分为B2C、( )和C2C三种主要模式
【简答题】世界上第一座“智慧城市”诞生在美国()。 A 洛杉矶 B纽约 C 迪比克城 D 旧金山
【单选题】要构建一台域控制器必须在这台计算机上安装以下哪一种服务 ( )
【单选题】成品油不合理运输中最突出、最普遍的一种方式是( )
【判断题】电子商务的分类按参与主体可分为B2B、B2C和C2C三种主要模式。
【单选题】Which of the following describes a known dividend yield on a stock?
A.
The size of the dividend payments each year is known
B.
Dividends per year as a percentage of today’s stock price are known
C.
Dividends per year as a percentage of the stock price at the time when dividends are paid are known
D.
Dividends will yield a certain return to a person buying the stock today
【单选题】下列关于图像的说法错误的是 ________。
A.
图像的数字化过程大体可分为三步:采样、量化、编码。
C.
尺寸大的彩色图片数字化后,其数据量必定大于尺寸小的图片的数据量