皮皮学，免费搜题
登录
搜题
【判断题】
由于承载信息的信号经过信道传输后受到了信道的影响，所以要研究和了解信道的特性A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】A．Canada, Japan and Mexico. B．Japan, Canada and Asia. C．Japan, the European Union and Asia. D．Canada, Mexico and Europe.
【简答题】What is unusual about driving in Japan?People in Japan drive______.
【简答题】辛夷入药部位是（）。
【单选题】What in Japan increased demand for imported natural gas in Japan?
A.
Deposits of natural gas in Japan have been exhausted.
B.
The largest deposits of natural gas available to Japan are located in the islands in the South China Sea and Japan and China have a dispute about who owns those islands.
C.
A tsunami in 2011 damaged the nuclear reactor in Fukushima causing Japan to shut down all of its nuclear generation of electricity.
D.
Japan imposed strict environmental requirements for the generation of electricity that can only be met by using natural gas to produce electricity.
相关题目：