客人被主人以茶相待,应起身站立,双手捧接,并道以“多谢”。当其为自己续水时,应以礼相还,通过点头致意、行()礼或欠身施礼的方式道谢。 ["鞠躬","举手","叩指"]
一般为客人奉上的第一杯茶不宜过满,最好只倒()满。 ["五分","六分","七八分"]
Which of the devices listed is common to all types of pumps?() ["A power end and fluid end","A propeller and educator","A volute and impeller","A turbine and pisto"]
只要担任企业的领导天资过人,就可使企业永远处于不败之地。
当企业为了扩大再生产或增加固定资产投入时,都需通过()筹资予以解决。 ["银行","个人","民间借贷","金融市场"]
热水采暖系统失调是指什么?