侦察卫星可以在任何时候侦察地球上的任何目标
参考答案：错
In many American universities, the total work for a degree _____ thirty-six courses,
each _____ for a term.[ ]
A. consists of; lasting
B. is consisted of; lasts
C. is made up of; lasts
D. makes up of; lasting
点到点和广播类型中OSPF的HELLO时间间隔是多少秒（）。
A、20
B、40
C、30
D、10
