Things like eye contact and hand gestures _____ great importance in situations such as job interviews. A. take in B. take off C. take on D. take down 答案:C 解析: 略把磨得很光的铅片和金片紧压在一起,在室温下放置五年后再将它们切开,可以看到它们相互渗入约1mm深。这个现象说明
[ ]A.分子间有引力B.分子间有斥力 C.分子在做热运动D.分子热运动与温度有关