(单选题)4: 卫星移动通信系统属于（）。
A: 无线个域网
B: 无线局域网
C: 无线城域网
D: 无线广域网
1.(单选题)—I'vegotthesystemrunning,butIcan'topenmyfile. — A.Let me see if I ca...
1.(单选题)—Dad,thisismyroommate,Andrea. —_________________ A.Hello, Andrea. I'...
1.(单选题)—Doyouhaveanyplansfortomorrowmorning — A.I'm sorry, but I have anoth...
1.(单选题)—Doyouhaveanyplansfortomorrowmorning — A.I'm sorry, but I have anoth...
1.(单选题)— —I'mnotsurewhatI'lldo.IhopetowatchTVandenjoymyself. A.What are you...
要做作业扫码我