马克思指出“真正的地租是为了出售土地而支付的”。 ( )
参考答案：错
据《史记》载，周武王灭商后“封弟周公旦于曲阜，曰鲁”。周与鲁的关系是[ ]
A．父子
B．兄弟
C．平等
D．大宗与小宗
Repair of structures on a ship in the vicinity of liquid mud handling areas presents what possible hazard?（）
A.Toxic gasses may be present
B.Flammable gasses may be present
C.Liquid muds may flood adjoining spaces
D.An oxygen-deficient atmosphere may be present
