【简答题】随参信道传输媒质的三个特点是 、 和 。信号在随参信道中传输时,产生衰落的主要原因是由于 。
【单选题】What kinds of films does Ted like?
【判断题】随参信道的传输媒质的三个特点是指 对信号的衰耗随时间随机变化 、 信号传输的时延随时间随机变化 和 多径传播 。
【单选题】What kinds of films do you like____?(最喜欢)
【单选题】What kinds of films do you like ______ ?
【单选题】What kinds of films ____ Mary like best?
【单选题】What kinds of films do you like best?
A.
I prefer going skating
B.
I like cartoons. What about you?
【单选题】-What kinds of films do you like best? -__________.
A.
I like talk show best.
【单选题】A: What kinds of films do you like best? B:
A.
I prefer going skating
B.
I like cartoons. What about you?