| There was a time, not that long ago,
when women Were considered smart if they played dumb to get a man, and women who
went to college were more interested in getting a "Mrs.degree" than a
bachelor’s. Even today, it’s not unusual for a woman to get whispered and
unrequested counsel from her grandmother that an advanced degree could hurt her
in the marriage market. "There were so many misperceptions out there about education and marriage that I decided to sort out the facts," said economist Betsey Stevenson, an assistant professor at the Wharton School at the University of Pennsylvania. So along with Wharton colleague Adam Isen, Stevenson calculated national marriage data from 1950 to 2008 and found that the marriage penalty women once paid for being well educated has largely disappeared. "In other A. A．Their marriage rate was higher than at present. B．Their marriage rate was lower than at present. C．Their divorce rate was higher than at present. D．Their divorce rate was lower than at present. [填空题]ZD6-D型电动转辙机转换完毕，是靠{|*|}切断启动电路。(五个字）
[单选题]液压制动传动机构主要由制动踏板.主缸推杆.制动总泵.( )等组成。
A.制动控制阀 B.真空助力器 C.制动分泵 D.制动器 [单项选择]对科学研究中的不端行为更重要的是要从源头采取措施，教育为本、正本清源、回归科学，制止科学道德与学风蜕变趋势的发展，努力让学术风气回归到科学的轨道。作为解决科学道德和学风问题的保障的是（）。
A. 教育 B. 制度 C. 监督 D. 惩防结合、标本兼治 [单选题] 根据《证券法》，在证券交易活动中，下列不属于内幕信息的是（ ）。
A. 涉及发行人经营的尚未公开的信息 B. 涉及发行人财务的尚未公开的信息 C. 对该发行人证券的市场价格有重大影响的尚未公开的信息 D. 涉及发行人的人力资源规划的尚未公开的信息 [简答题]自动过分相地面磁感应器
[简答题]20℃时硝酸钾的溶解度是31.6克，实验室要配制20℃的硝酸钾饱和溶液，20克硝酸钾应溶解在多少克水里？
我来回答: 提交
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