【简答题】五位同学围成一圈依次循环报数,规定:第一位同学首次报出的数为1,第二位同学首次报出的数为-2,第三位同学所报出的数是前第二位同学所报出数与第一位同学所报出数的差,第四位同学所报出的数是前第三位同学所报出数与第二位同学所报出数的差,以此类推,则前100个被报出的数之和为_________.
【单选题】在( ),导游领队应将文明旅游事项向旅游者进行重申。
【单选题】某数字通信系统的码元速率为 1200Baud ,接收端在半小时内其接收到 216 个错误码元,则该系统的误码率为( )
【单选题】在(),导游领队应将文明旅游事项向旅游 者进行重申。
【简答题】Thir, for me, was a challenging year. My parents divorced and I moved to a new town with my f ather, far from my old family and friends. I was terribly lonely mad and would cry myself to sleep eac...
【简答题】Thir, for me, was a challenging year. My parents divorced and I moved to a new town with my father, far from my old family and friends. I was terribly lonely and would cry myself to sleep each nig...
【简答题】阅读理解。 My Family I have a happy family. There are five people in my family. My father is tall. And he is thin. My mother is short. She loves me very much. She likes going shopping. My grandfather and g...