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对于CG的药理作用描述错误的是：
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The media have become fond in recent years of glamorizing stay-at-home moms as elite career women who have "opted out" of the workforce so they can put family first. Finally, thePew Research Center has provided the reality check we’ve needed. "The share of mothers who do not work outside the home rose to 29% in 2012, up from a modern-era low of 23% in 1999," Pew’s new report finds. The primary reason: economics. The cost of child care and the lack of job opportunities are forcing women to stay at home rather than go back to work after having kids. Affluent(富裕的) stay-at-home moms who’ve chosen to leave the workforce to raise their families often get the media spotlight, but they make up a small percentage—5%, according to Pew—of women in the U.S. These are not women whose families struggle to make ends meet when both parents are employed. These are parents who have the financial means to "put family first" by being at home. The problem with the media obsession with the rich stay-at-home morn is that these stories overshadow the fact that most stay-at-home moms are, in fact, poor. Pew found that a startling 34% of stay-at-home moms are living in poverty. The Pew report also attributes the rising costs of child care to the increase in stay-at-home moms. The Washington Post published a map last week that shows the cost of full-time infant day care in 31 states actually exceeds the cost of state college tuition. At the top of the list is Massachusetts, where the annual cost of having an infant in full-time day care is about $16,000. By contrast, a year at a public college in Massachusetts costs about $10,000. While the numbers are certainly alarming, it is a relief to see the media briefly turn away from the "mommy wars" that focus solely on the decisions of the privileged few to talk about the rest of us trying to raise families. It’s difficult to make the case for policy changes that could make day care more affordable if we never hear about how families are struggling with the costs. Until we have policies that can start to reel in the cost of high-quality child care or help low-income moms gain skills to boost their earning potential, we’ll continue to see these numbers rise. What is the author’s attitude towards state college tuition in the U.S.
已知f(x)的一个原函数为sinxe-x+2，则∫f(x)dx=______。
雌激素对心血管效应错误的是：
下列哪种物质对GnRH的分泌无影响
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