单项选择题

联营是指两个或两个以上的企业之间、企业与事业单位之间，在平等自愿的基础上，为实现一定的经济目的而实行联合的一种形式。
根据上述定义，下列情形中不属于联营的是（）

A.在届家教育部的引导和支持下，为了实现资源的有效共享，也为了北大能尽快发展成为世界一流大学，北京大学与原北京医科大学合并，合并后的北医大成为北京大学医学部
B.美国一家电视公司和一家网络公司利用各自优势，共同出资新建了一家传媒公司，两家公司共同经营、共负盈亏，但新公司独立承担民事责任
C.一家钢铁厂与一家机器公司签订合同。钢铁厂以较低的价格向机器公司提供钢材，以使其在市场上占据有利地位，钢铁厂对机器公司的销售利润享有一定分成，但不负责其亏损，二者仍是独立经营
D.—家食品厂与一家连锁店签订协议，该食品厂的产品只提供给这一家连锁店出售，但要保证一个较髙的价格，两家按一定的比例分享收益
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多项选择题
下列各项中，属于统计函数的有（ ）。
A.TF
B.MTD
C.SUMIF
D.COUNTIF
单项选择题
Text 2 No wonder they are called patients .When people enter the health-care systems of rich countries today,they know what they will get:prodding doctors,endless tests,rising costs and,above all,long waits.Some stoicism will always be needed,because health care is complex and diligence matters.But frustration is boiling over.This week three of the biggest names in American business-Amazon,Berkshire Hathaway and JPMorgan Chase-announced a new venture to provide better,cheaper health care for their employees.A fundamental problem with today's system is that patients lack knowledge and control.Access to data can bestow both.The intemet already enables patients to seek online consultations when and where it suits them.Yet radical change demands a shift in emphasis,from providers to patients and from doctors to data.That shift is happening.Technologies such as the smartphone allow people to monitor their own health.The possibilities multiply when you add the crucial missing ingredients-access to your own medical records and the ability easily to share information with those you trust.That allows you to reduce inefficiencies in your own treatment and also to provide data to help train medical algorithms.As with all new technologies,pitfalls accompany the promise.Hucksters will launch apps that do not work.But with regulators demanding oversight of apps that present risks to patients,users will harm only their wallets.Not everyone will want to take active control of their own health care;plenty will want the professionals to manage everything.The benefits of new technologies often flow disproportionately to the rich.Those fears are mitigated by the incentives that employers,govemments and insurers have to invest in cost-efficient preventive care for all.Other risks are harder to deal with.Greater transparency may encourage the hale and hearty not to take out health insurance.They may even make it harder for the unwell to find cover.Will the benefits ofmaking data more widely available outweigh such risks?The signs are that they will.Plenty of countries are now opening up their medical records,but few have gone as far as Sweden.It aims to give all its citizens electronic access to their medical records by 2020;over a third of Swedes have already set up accounts.Studies show that patients with such access have a better understanding of their illnesses,and that their treatment is more successful.Trials in America and Canada have produced not just happier patients but lower costs,as clinicians fielded fewer inquiries.That should be no surprise.No one has a greater interest in your health than you do.Trust in Doctor You.Health-care system in wealthy countries is characterized by the following except____
A.numerouschecks
B.highercost
C.impatientdoctors
D.complexinfrastructure
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