题型:问答题 简答题 The students should ________ to choose their own clothes. It will be a good way _____ themselves happy. A.allow, to keepB.allowed, keepingC.be allow, keepingD.be allowed, to keep 查看答案
题型:问答题 简答题 助人和利他行为中有一现象称为“旁观者效应”,其意思是( )。A.他人在场有利于促进亲社会行为B.他人在场对利他行为有负面影响C.他人在场会极利于助人者D.他人在场使助人者体会到社会赞许,增进助人行为 查看答案