关于喝酒儒家讲究“酒德”两字。其含义是说饮酒者要有德行,中国古代酒德报括:() ["量力而饮","节制有度","饮酒不能强劝","让客人多喝"]
如果时间是一条河,那么人则是这条河的()了。 ["源头","水流","浪花","主干"]
研究表明,同性恋的发生于下列哪个因素无关?() ["遗传或染色体结构","感情疏远的父亲","大脑结构的大小或功能","激素因素"]
性格能最直接地反映出一个人的()风貌。 ["性格","人","道德","品质"]
“氧化性”药物非那西汀可引起() ["高铁血红蛋白血症","氧化性溶血","出血","贫血","白血病"]
简述造成信号波动的可能原因