A:合法的财产,应受法律保护
B:非法的财产,不应受法律保护
C:合法的财产,但不应受法律保护
D:采用非法手段获得的财产,不属于个人所有
-- It's snowing. I really want to run outside and make a snowman.
-- Why not have a snow ball fight instead? It's more exciting.
回答下列问题
说明光电效应产生的条件为:光频率大于临界值?
下面各组词语中书写无误的一项是( )