“没有无义务的权利,也没有无权利的义务”。对马克思这句话的理解错误的是( )
A:公民的权利和义务具有一致性
B:我们每个人既是享受权利的主体,又是履行义务的主体
C:道德义务必须履行,法定义务不必履行
D:我们既要依法行使权利,又要依法履行义务
选择括号内恰当的单词或词组填入空白处,使句意完整、正确。 Are you going to____ (join / take part in)the school rowing club?I think the computer is ____(used / useful).I spent two hours____ (sweep / sweeping)the house yesterday.The house is so expensive that I can't____ (share / afford)it.Even scientists aren't sure ____(if / whether)or not there are UFOs.