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如果一个工人可以管理多个设备，而一个设备只被一个工人管理，则实体“工人”与实体“设备”之间存在【】的联系。

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如何理解财务评价、财务分析与评价、财务分析的内容？请问不确定分析是否属于财务分析工作？

投资总额1200万美元的外商投资项目,其注册资金应不低于多少万美元？

Some 67 percent of the 1,002 adults surveyed nationwide said that becoming financially fit is a top New Year's resolution, while 57 percent are committed to becoming physically fit in 2008.
By gender, women are more insecure about their finances, with 37 percent saying they are financially fit, compared with 55 percent for men. Dads are more confident about finances than moms, and single people feel more secure than the married.
Geographically, U.S. Northeasterners felt better about their money, with 52 percent saying their are financially fit. The Midwest and South were tied at the bottom with 43 percent feeling secure about finances.
Countrywide Bank is part of Countrywide Financial Corp, the largest mortgage lender in the United States with a big stake in the troubled subprime mortgage market. It has been battered by escalating loan defaults.

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第58小题，8分。要求对命题进行判断并着重阐明理由。请将答案写在答题纸指定位置上。
甲在河边散步时,不慎落入水中。警察乙发现后,马上跳入水中将其救起并送到医院抢救。医院称必须先付费用才能抢救,乙遂向医院交了3000元押金。因医院抢救及时,甲顺利脱险。数天后,乙要求甲向其返还3000元钱。甲称警察负有见义勇为的义务,无权要求其支付费用。
甲的主张能否成立？试运用民法原理并结合我国有关法律规定加以分析。