现有:①花生油、②铅笔芯、③水银、④塑料盒、⑤铜钥匙等物品,其中属于导体的是____,常温常压下属于液体的有____ 。(均填序号)
下列各组性状属于相对性状的是
—Children's Day. On that day I can get some nice things from my parents.