A.Tall enough for them to build nests. B.Short so that birds can find. C.It doesn't matter since all birds like both. D.It depends on the kind of bird.
【简答题】S1:Could you please tell me what is the maritime security level in your port is,sir?S2:Level one.Just minimum security measures are necessary.Q:What are they talking about ?A. Gyro liquid level B. Se...