Decision makers must have some way of determining of several alternatives is best.（）

Out sleep influences our mood. our mood, ________,affects our performance

他孤注一掷用自己的积蓄开了一家小商店。翻译

She has no hostility to us, _____can be judged from her eyes

We_____knowledgefromourfamilies,schools,jobs,andthemassmedia