【简答题】He is f_______ of looking back on the e_______ of his childhood.
【简答题】r______ n. a looking back on the past, often with a different opinion
【单选题】企业在生产经营活动中,要求员工遵纪守法是( )。
【单选题】Looking back on the past, we _____ pride, while looking ahead to the future, we _____ ambition.
A.
smell with, smell with
B.
swell with, swell with
【简答题】Looking back on the historical inventions, we can find that creative inventors always made an ____(assume) that was not based on any tradition.
【简答题】(6分)科学家经过多年研究证明,某些零食中含一定量对人体健康有害的物质,如油炸 食品中常含有致癌物质丙烯酰胺(C 3 H 5 NO)。 (1)丙烯酰胺的一个分子是由 个原子构成; (2)丙烯酰胺的相对分子质量是 ; (3)丙烯酰胺中碳元素的质量分数是 ; (4)丙烯酰胺中碳元素和氧元素的质量比 ; (5)卫生部建议,每天丙烯酰胺的摄入量不多于1μg/kg×体重(kg)。50g某品牌薯片中含丙 烯酰...
【简答题】Looking back on the past, we ________ ( 豪情满怀) , while looking ahead to the future, we ________ ( 踌躇满志) .
【简答题】科学家经过多年研究证明,某些零食中含一定量的有害物质,如油炸食品中常含有致癌物质丙烯酰胺(C 3 H 5 NO). (1)丙烯酰胺的相对分子质量是______. (2)丙烯酰胺中碳元素和氧元素的质量比是______.
【单选题】在企业的生产经营活动中,要求员工遵纪守法的是()。