单项选择题
The emotional aspects of an object are more important than its physical aspects in that they ()
A.help society exploit its members for profit B.encourage us to perform important tasks C.help to perfect the legal and penal system D.help us adapt our behavior to the world surrounding us
单项选择题 Emotions are significant for man's survival and adaptation because ()
单项选择题 It can be inferred from the passage that the economic foundation of society is dependent on ()
单项选择题 According to the passage, people's learning activities are possible because they()