【behaviors】...(表现)填behavior还是behaviorsbehavior是可数还...

【behaviors】...(表现)填behavior还是behaviorsbehavior是可数还...

【答案】 be‧hav‧iourBritish English ; behavior American English [uncountable]
　　1 the things that a person or animal doesCOLLOCATIONS
　　COLLOCATIONS
　　good/bad behaviour
　　 violent/aggressive/criminal etc behaviour
　　 human/social behaviour
　　 pattern of behaviour/behaviour pattern
　　 behaviour problem (=when someone often behaves badly)
　　 change/modify your behaviour
　　 influence somebody's behaviour
　　It is important to reward good behaviour.
　　 The headmaster will not tolerate bad behaviour.
　　behaviour towards
　　She complained of her boss's inappropriate behavior towards her.
　　 Can TV violence cause aggressive behavior?
　　 We are trying to understand the causes of criminal behaviour.
　　the effects of alcohol on human behaviour
　　 the boundaries of acceptable social behavior
　　common animal behavior patterns
　　 It's hard to change your behaviour, even harder to keep it changed.
　　They argued that the presence of TV cameras at the trial influenced the behavior of attorneys, witnesses, and jurors.
　　2be on your best behaviourto behave as well and politely as you can in order to please someone:
　　I want you both to be on your best behaviour at Grandad's.
　　3 the things that something in science normally does
　　behaviour of
　　the behaviour of human chromosomes
　　以上援引朗文词典 可见不可数更合适

这个答案应该是对的