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【单选题】
下列描述拉斯维尔模式(5W模式)不正确的是( )。
A.
拉斯韦尔的“五W”模式是线性模式，即信息的流动是直线的、单向的。
B.
5W模式为后来信息传播研究的范围和内容奠定了基础。
C.
5W模式注意到反馈这个要素，注意传播的双向性。
D.
没考虑环境对信息交流的影响，忽略了干扰因素。
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【单选题】LTE系统传输用户数据主要使用（）
A.
共享信道
B.
公用信道
C.
专用信道
D.
信令信道
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【判断题】LTE系统传输用户数据主要使用共享信道。( )
A.
正确
B.
错误
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【单选题】—Why did you all go roller skating _________ Tony? —Because he preferred to watch the World Cup at home. [     ]
A.
with
B.
without
C.
besides
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【单选题】Why did many American scholars become enthusiastic about humanistic studies after World War II?
A.
They wanted to improve their own status within the current education system.
B.
They believed the stability of a society depended heavily on humanistic studies.
C.
They could get financial support from various foundations for humanistic studies.
D.
They realized science and technology alone were no guarantee for a better world.
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【单选题】Why did many southerners go to the Northeast and the Midwest during World War Ⅱ?
A.
Because they wanted to learn to like country music.
B.
Because they wanted to take music with them.
C.
Because country music was popular all over the country.
D.
Because they wanted to work in the factories there.
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【判断题】成熟环境是机会水平高、威胁水平小的环境
A.
正确
B.
错误
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【单选题】The word pen originally meant 'feather used for writing with ink'. Now it refers to any devise used for writing with ink. This is an example of
A.
degradation of meaning.
B.
broadening of meaning.
C.
narrowing of meaning.
D.
elevation of meaning.
查看完整题目与答案
【单选题】Why did many southerners go to the Northeast and the Midwest during World, War Ⅱ?
A.
They wanted to learn to like country music.
B.
They wanted to take music with them.
C.
Country music was popular all over the country.
D.
They wanted to work in the factories there.
查看完整题目与答案
【单选题】在污水的药剂中和法中,最常用的药剂是( )。
A.
苛性钠
B.
石灰
C.
碳酸钠
D.
电石渣
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【简答题】在平面直角坐标系内有两个定点F 1 ，F 2 和动点P，F 1 ，F 2 坐标分别为F 1 （-1，0）、F 2 （1，0），动点P满足 | PF 1 | | PF 2 | = 2 2 ，动点P的轨迹为曲线C，曲线C关于直线y=x的对称曲线为曲线C″，直线y=x+m-3与曲线C″交于A、B两点，O是坐标原点，△ABO的面积为 7 ， （1）求曲线C的方程； （2）求m的值．
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相关题目：
【单选题】LTE系统传输用户数据主要使用（）
A.
共享信道
B.
公用信道
C.
专用信道
D.
信令信道
查看完整题目与答案
【判断题】LTE系统传输用户数据主要使用共享信道。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】—Why did you all go roller skating _________ Tony? —Because he preferred to watch the World Cup at home. [     ]
A.
with
B.
without
C.
besides
查看完整题目与答案
【单选题】Why did many American scholars become enthusiastic about humanistic studies after World War II?
A.
They wanted to improve their own status within the current education system.
B.
They believed the stability of a society depended heavily on humanistic studies.
C.
They could get financial support from various foundations for humanistic studies.
D.
They realized science and technology alone were no guarantee for a better world.
查看完整题目与答案
【单选题】Why did many southerners go to the Northeast and the Midwest during World War Ⅱ?
A.
Because they wanted to learn to like country music.
B.
Because they wanted to take music with them.
C.
Because country music was popular all over the country.
D.
Because they wanted to work in the factories there.
查看完整题目与答案
【判断题】成熟环境是机会水平高、威胁水平小的环境
A.
正确
B.
错误
查看完整题目与答案
【单选题】The word pen originally meant 'feather used for writing with ink'. Now it refers to any devise used for writing with ink. This is an example of
A.
degradation of meaning.
B.
broadening of meaning.
C.
narrowing of meaning.
D.
elevation of meaning.
查看完整题目与答案
【单选题】Why did many southerners go to the Northeast and the Midwest during World, War Ⅱ?
A.
They wanted to learn to like country music.
B.
They wanted to take music with them.
C.
Country music was popular all over the country.
D.
They wanted to work in the factories there.
查看完整题目与答案
【单选题】在污水的药剂中和法中,最常用的药剂是( )。
A.
苛性钠
B.
石灰
C.
碳酸钠
D.
电石渣
查看完整题目与答案
【简答题】在平面直角坐标系内有两个定点F 1 ，F 2 和动点P，F 1 ，F 2 坐标分别为F 1 （-1，0）、F 2 （1，0），动点P满足 | PF 1 | | PF 2 | = 2 2 ，动点P的轨迹为曲线C，曲线C关于直线y=x的对称曲线为曲线C″，直线y=x+m-3与曲线C″交于A、B两点，O是坐标原点，△ABO的面积为 7 ， （1）求曲线C的方程； （2）求m的值．
查看完整题目与答案