狭义信息论
参考答案：
即申农信息论，主要研究消息的信息量、信道（传输消息的通道）容量以及消息的编码问题。
When ______ how old he was, he kept silent.
A．asking
B．asked
C．to be asked
D．ask
I’m writing to tell you that my family ____ wild animals in Kenya next Sunday.
A．is seeing
B．will be seeing
C．have seen
D．will have seen
