试题与答案

（）只对早期强度起作用，（）和（）对早期强度和后期强度都有作用C2S只对后期强度并对

来源：www.tikuol.com
题型：填空题

题目：

（）只对早期强度起作用，（）和（）对早期强度和后期强度都有作用C2S只对后期强度并对远景强度发挥作用。

答案：

参考答案：C3A；C4AF；C3S

考点：水泥生产制造工水泥生产制造工题库
试题推荐
题型：填空题
从下面方框中选择适当的选项填入短文中，使短文通顺、完整。选项中有两个选项是多余选项。
A. leaves   B. Then   C. large   D. learned   E. ones   F. grow
G. thick   H. flowers   I. means   J. took   K. easy   L. our
     Everyone loves oranges. They are sweet and juicy. They're in sections (分瓣), so it is 1._____ to eat them.
Some oranges do not have any seeds. Some have a 2._____ skin (果皮), and some have a thin skin.
    The orange tree is beautiful. It has a lot of shiny green 3.______. The small white flowers smell very sweet.
An orange tree has 4.______ and fruit at the same time.
    There were orange trees twenty million years ago. The oranges were very small, not like the 5.______ today. The orange trees probably came from China. Many different kinds of wild oranges 6.______ in China today.
The Chinese started to raise orange trees about 4,400 years ago.
    Farmers in other parts of Asia and the Middle East 7.______ to raise oranges from the Chinese. 8.______
they taught Europeans. The Spanish planted orange trees in the New World (North and South America). They
9.______ them to Florida first. Oranges are a very important crop to Florida today.
    In English, orange 10.______ both a fruit and a color. We use the name of the fruit for the color.
查看答案
题型：单项选择题

国际标准MPEG—Ⅱ采用了分层的编码体系，提供了4种技术，它们是 (46) 。数字音频采样和量化过程所用的主要硬件是： (47) 。

AC-3数字音频编码提供了5个声道的频率范围是： (48) 。

要把一台普通的计算机变成多媒体计算机要解决的关键技术是： (49) 。

Ⅰ．视频音频信号的获取

Ⅱ．多媒体数据压编码和解码技术

Ⅲ．视频音频数据的实时处理和特技

Ⅴ．视频音频数据的输出技术

请根据多媒体的特性判断以下哪些属于多媒体的范畴 (50) 。

①交互式视频游戏 ②有声图书 ③彩色画报 ④彩色电视

（47）处填（）。

A．数字编码器

B．数字解码器

C．模拟到数字的转换器(A/D转换器)

D．数字到模拟的转换器(D/A转换器)
查看答案
微信公众账号搜索答案