从可否移动及移动是否影响其价值功用的角度,可将物品划分为( )。
A.允许流通物
B.限制流通物
C.禁止流通物
D.不动产
E.动产
参考答案:D,E
Unlike competitive running , race walkers must always keep some portion of their feet in contact with the ground.
A.run
B.runner
C.runners
D.running race
一定量的水,全部结成冰,体积比原来(已知ρ冰=0.9×103kg/m3) [ ]
A.减小1/10
B.减小1/9
C.增大1/10
D.增大1/9