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【简答题】
一个允许尺寸的两个极端称为 。
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参考答案:
举一反三
【单选题】How many frequencies are available for DSC distress alerting on HF band?
A.
One.
B.
Seven.
C.
Five.
D.
Two.
【单选题】下列湖南民俗中,主题为纪念神农思德的是( )。
A.
赶秋节
B.
打背节
C.
会姑娘
D.
赶僵尸
【单选题】以下说法中哪个是错误的?
A.
转子流量计的环隙速度u0为常数
B.
转子流量计的玻璃管为上大下小的微锥形管
C.
转子流量计的特点是恒截面、变压头
D.
转子流量计以转子的位置来指示流量是因为高度与流量成正比
【判断题】《吉檀迦利》的主题思想在于表达诗人对渴望与神结合的理想境界的追求以及达到这种境界后的快乐。
A.
正确
B.
错误
【单选题】A team of international researchers has found new evidence that an endangered subspecies of chimpanzee is the source of the virus that causes acquired immune deficiency syndrome (AIDS) in humans. Expe...
A.
people now know the number of chimpanzees is much smaller than expected
B.
it may make it possible for scientists to discover new ways of treating AIDS.
C.
it proves some deadly human diseases can also be transmitted to wild animals
D.
it will soon help the scientists develop a vaccine that prevents the AIDS virus
【单选题】Which of the' following statements is true?
A.
The researchers' work was unpopular because of its biased conclusions.
B.
The music industry was accused of unclear specification of the nature of the songs.
C.
The current CD labels failed to specify whether the music is appropriate for youth.
D.
The music industry would have to yield to the pressure from the politicians.
【单选题】Our civilization cannot be thought of as____in a short period of time.
A.
to have been created
B.
to be created
C.
having been created
D.
being created
【判断题】由于光电测距仪和全站仪的普及,目前水平距离的测设,尤其是长距离的测设多采用光电测距仪或全站仪进行。
A.
正确
B.
错误
【多选题】传统广告的主要缺点表现在( )方面。
A.
强势灌输
B.
无法实现即时的双向交流
C.
单纯依靠印象影响消费者
D.
缺乏互动性
【单选题】以下说法中哪一个是错误的
A.
环型拓扑构型中,节点通过相应网卡,使用点—点连接线路,构成闭合的环型
B.
环中数据沿着两个方向绕环逐站传输
C.
为了确定环中每个节点在什么时候可以插入传送数据帧,同样要进行控制
D.
在环形拓扑中,多个节点共享一条环通路
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