【简答题】What is a ghoul-gate and how could you spot one in a graveyard? Why was Bod willing to pass through the gate?
【简答题】Deciding on a pricing policy for air freight presents airlines with many difficulties because freight consignments vary in( ).
【单选题】The news is ________that many a politician is gathering here in protest of the policy.
【多选题】对若干个时间单位组成的计算期里的平均收益的求取方法有( )?