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C Federal regulators Wednesday approved a plan to create a nationwide emergence alert (警报) system using text messages delivered to cell phones. Text messages have exploded in popularity in recent years, particularly among young people. The wireless industry’s trade association, CTIA, estimates (估计) more than 48 billion text messages are sent each month. The plan comes from the Warning Alert and Response Network Act, a 2006 federal law that requires improvements to the nation’s emergency alert system. The act tasked the Federal Communications Commission (FCC. with coming up with new ways to alert the public about emergencies. "The ability to deliver accurate and timely warnings and alerts through cell phones and other mobile services is an important next step in our efforts to help ensure that the American public has the information they need to take action to protect themselves and their families before, and during, disasters and other emergencies," FCC Chairman Kevin Martin said following approval of the plan. Participation in the alert system by carriers—telecommunications companies is voluntary, but it has received solid support from the wireless industry. The program would be optional for cell phone users. They also may not be charged for receiving alerts. There would be three different types of messages, according to the rules. The first would be a national alert from the president, likely involving a terrorist attack or natural disaster. The second would involve "approaching threats," which could include natural disasters like hurricanes or storms or even university shootings. The third would be reserved for child abduction (绑架) emergencies, or so-called Amber Alerts. The service could be in place by 2010. What is the purpose of the approved plan
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当甲型H1N1流感蔓延后，根据知情、同意、自愿、免费接种的原则，我国政府通过财政支出为群众免费接种疫苗。这体现了国家财政（）。
One of the central principles of raising kids in America is that parents should be actively involved in their children’s education: meeting with teachers, volunteering atschoolhelping with homework, and doing a hundred other things that few workingparents have time for. These obligations are so baked into American values that fewparents stop to ask whether they’re worth the effort. Until this January, few researchers did, either. In the largest-ever study of howparental involvement affects academic achievement, Keith Robinson and Angel L.Harris, two sociology professors at Duke, found that mostly it doesn’t. The researcherscombed through nearly three decades’ worth of surveys of American parents and tracked63 different measures of parental participation in kids’ academic lives, from helpingthem with homework, to talking with them about college plans. In an attempt to show whether the kids of more-involved parents improved over time, the researchers indexedthese measures to children’s academic performance, including test scores in reading and math. What they found surprised them. Most measurable forms of parental involvement seem to yield few academic dividends for kids, or even to backfire(适得其反) -regardless of a parent’s race, class, or level of education. Do you review your daughter’s homework every night Robinson and Harris’s data show that this won’t help her score higher on standardized tests. Once kids enter middle school, parental help with homework can actually bring test scores down, an effect Robinson says could be caused by the fact that many parents may have forgotten, or never truly understood, the material their children learn in school. While Robinson and Harris largely disproved that assumption, they did find ahandful of habits that make a difference, such as reading aloud to young kids (fewerthan half of whom are read to daily) and talking with teenagers about college plans. Butthese interventions don’t take place at school or in the presence of teachers, wherepolicymakers have the most influence - they take place at home. Comment 1: Basically the choice is whether one wants to let kids to be kids. Persistent parentalinvolvement and constantly communicating to the kids on what the parents wantconsciously or unconsciously would help the kids grow up or think like the parentssooner than otherwise. Comment 2: It also depends on the kid. Emotional and social maturityhave a lot to do withsuccess in college and in life. Some kids may have the brains and are bored by highschool, but that doesn’t mean they are ready for college or the work place. Comment 3: The article doesn’t clearly define "helping," but I understood it as actually assistingchildren in the exercises (e.g. helping them to solve a math problem) and/or reviewingtheir work for accuracy rather than simply making sure they’ve completed their work. Ithink the latter is more helpful than the former. I would also certainly hope that no studywould discourage parents from monitoring their children’s performance! What is the main conclusion of the Robinson and Harris’s study
A Young adult filmmakers all hope to show their works in international festivals like Sundance and Toronto. But what about really young filmmakers who aren’t in film school yet and aren’t, strictly speaking, even adults They are at the heart of Wingspan Arts Kids Films Festival, tomorrow, in a setting any director might envy: Lincoln Center. Complete with "red carpet" interviews and various awards, the festival has much in common with events for more experienced moviemakers, except for the age of the participants: about 8 to 18. "What’s really exciting is that it’s film for kids by kids," said Cori Gardner, managing director of Wingspan Arts, a nonprofit organization offering youth arts programs in the New York area. This year the festival will include films not only from Wingspan but also from other city organizations and one from a middle school in Arlington, Virginia. "We want to make this a national event," Ms. Gardner added. The nine shorts to be shown range from a Claymation biography of B. B. King to a science fiction adventure set in the year 3005. "A lot of the material is really mature," Ms. Gardner said, talking about films by the New York City branch of Global Action Project, a media arts and leadership-training group. "The Choice is about the history of a family and Master Anti-Smoker is about the dangers of secondhand smoke. " Dream of the Invisibles describes young immigrants’feelings of both belonging and not belonging in their adopted country. The festival will end with an open reception at which other films will be shown. These include a music video and full-length film whose title is Pressures. Which of the following is true of Wingspan Arts
社会主义道德建设的核心是（）。
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