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徐州哪家医院做四维彩超家属可以一起看
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发布时间: 2025-05-30 15:39:13北京青年报社官方账号
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  徐州哪家医院做四维彩超家属可以一起看   

Are you planning on traveling this summer? You're not alone. According to travel booking site Expedia, 85 percent of Americans will travel this summer, according to a poll it conducted. For the majority of those not planning on traveling this summer, they cite costs as the No. 1 reason for not going away. Perhaps these tips from Expedia will make it more affordable to travel: Hotel – "Travelers are becoming more accustomed to booking last minute, which could work in their favor this summer. Being flexible and waiting about a week before your trip starts could save you more than 15% on hotel costs. For those who cringe at the thought of missing out on a specific property or not staying with other travelers in your party, booking 21-30 days in advance could still mean nearly 10% savings. Regardless of when you decide to book, remember the cheapest average daily rates are found on Fridays," Expedia said.Flights – "The 'sweet spot' for airfares is about three weeks to a month (21-30 days) ahead of time. Remember to purchase flights over the weekend, particularly on a Sunday. Nearly 30% of Americans are flying to their destination, so this next tip is super important: choosing flights that take off on Thursday or Friday can save travelers around 10%," Expedia said. Car Rental – "It's never a bad idea to avoid putting miles on your car. Booking a comfy rental 14-20 days in advance could save you around 5% this summer," Expedia said. In additional good news for travelers, the price of gas nationwide appears to be dropping. AAA reported this week that gas is down 3 cents per gallon compared to last week. AAA said that trade tensions between the US and China has caused for a drop in crude oil prices. It says trade tensions plus an attack on two Saudi oil tankers could cause fluctuations in prices in the coming weeks. 1852

  徐州哪家医院做四维彩超家属可以一起看   

BENTONVILLE, Ark. – Walmart announced Thursday that it will be providing cash bonuses for its hourly associates for their hard work and dedication during the coronavirus pandemic. The 196

  徐州哪家医院做四维彩超家属可以一起看   

At first, teachers at Sky Valley Education Center simply evacuated students and used fans to clear the air when the fluorescent lights caught fire or smoked with noxious fumes. When black oil dripped onto desks and floors, they caught leaks with a bucket and duct-taped oil-stained carpets.Then came the tests that confirmed their suspicions about the light ballasts.“Sure enough ... it was PCB oil,” said Cynthia Yost, who was among teachers who sent pieces of carpet and classroom air filters to a lab. Tests found elevated levels of the toxic chemicals, used as coolant in the decades-old ballasts that regulated electrical current to the lamps.Millions of fluorescent light ballasts containing PCBs probably remain in schools and day care centers across the U.S. four decades after the chemicals were banned over concerns that they could cause cancer and other illnesses. Many older buildings also have caulk, ceiling tiles, floor adhesives and paint made with PCBs, which sometimes have been found at levels far higher than allowed by law.Yet the Environmental Protection Agency has not attempted to determine the scope of PCB contamination or assess potential health risks, in large part because of lack of funding, political pressure and pushback from industry and education groups, according to dozens of interviews and thousands of pages of documents examined by The Associated Press.Members of Congress who promised three years ago to find money to help address PCBs and other environmental problems in the nation’s schools never introduced legislation.And an EPA rule that would have required schools and day cares to remove PCB-containing ballasts moved slowly under the Obama administration, then was quashed by President Donald Trump within days of his inauguration.That was the final straw for Tom Simons, a former EPA regulator who worked for years on the rule and said getting rid of ballasts was the least the EPA could do to protect children.“We thought it was a no-brainer: There are millions out there. These things are smoking and dripping, so let’s put this through,” said Simons, who retired shortly after Trump took office.___For decades, the presence of PCBs in schools flew under the radar.States, cities and environmental agencies focused on removing them from lakes, rivers and toxic waste sites because most exposure to PCBs is believed to come from people’s diet, including fish from contaminated waterways, and because PCBs do not break down easily. Studies have linked them to increased long-term risk of cancer, immune and reproductive system impairment and learning problems.PCBs, or polychlorinated biphenyls, are mixtures of compounds manufactured by Monsanto Co. and widely used as coolants and lubricants in electrical equipment until they were banned in 1979.By then they were in transformers, air conditioners, adhesives, carbonless copy paper and billions of fluorescent light ballasts in schools, hospitals, homes, offices and commercial and industrial buildings. They also were ubiquitous in the environment and building up in human bodies.Nobody worried about schools.Then a 2004 study by Harvard health professor Robert Herrick identified the widespread use of PCBs as a plasticizer in caulk in schools built before 1980, estimating that as many as 14 million students and 26,000 schools could be affected. The EPA had not been aware of its use in caulk before then, Simons said.The EPA later found that the chemicals can move from building materials into the air and dust, where they can be inhaled or ingested. They also can be absorbed by walls and other surfaces as an ongoing source of exposure.Regulators also discovered that old fluorescent light ballasts remained a potentially widespread source of PCB contamination. The EPA had allowed the ballasts to remain in use because chemicals were in enclosed capacitors that experts thought would last only about 12 years. But it turns out they can last a half century or longer, said Simons.The older they are, the more likely ballasts will leak, catch fire or smoke. And that has happened repeatedly in schools, office buildings, restaurants and factories in recent years, according to reports reviewed by the AP.But the EPA has mostly voluntary guidelines, including recommended indoor air limits for PCBs that it says should protect children from health problems.The agency does not require — or encourage — schools to test for PCBs, so few do. If they are found in materials such as caulk, schools could be forced to undertake expensive cleanups when many are struggling to keep basic infrastructure intact and meet educational needs. Drawing attention to the issue also risks alarming parents.PCBs are illegal in building materials in concentrations exceeding 50 parts per million — a threshold set by the EPA decades ago based on how much contaminated material could affordably be removed rather than health risks.Rather than fostering “a very confusing and fearful situation,” the EPA should recommend that schools test classroom air for PCBs, then identify and address specific sources if the results are elevated, said Keri Hornbuckle, a civil and environmental engineering professor at the University of Iowa and one of the nation’s top researchers of PCBs in schools.“There is a good reason PCBs were banned, so ... let’s remove the worst cases and where (kids) are most vulnerable and have the highest exposure,” she said. “But you have to have the data.”Whether PCBs are addressed often is determined by ZIP code.In California’s wealthy Santa Monica-Malibu School District, parents, including model Cindy Crawford, sued to force the district to address PCBs after tests of caulk found levels up to 11,000 times the 50 ppm threshold. The district ultimately agreed to get rid of PCBs. It has torn down a middle school and continues to remove them from other buildings.In Hartford, Connecticut, the ending was far different. John C. Clark Elementary and Middle School, in a largely low-income African American neighborhood, was permanently closed in 2015 after PCBs were found and the city could not afford to remove them. The city has sued Monsanto and a company that manufactured caulk to recover the costs.“It was the crown jewel of the neighborhood,” Steven Harris, a former city council member and grandfather, said as he walked the deserted school grounds. “Our school board is doing the best they can. The reality is we don’t have a lot of money. And it’s going to take money to fix this problem.”Monsanto, now owned by Bayer Crop Sciences, has denied responsibility in lawsuits involving several school districts, saying it did not manufacture the building materials or components that contained PCBs.Concerns over schools like Hartford’s are one of the issues that ultimately kept the EPA from taking stronger steps to address PCBs.The agency, which originally recommended that schools test for the chemicals, was warned by the Association of California School Administrators that forcing schools to remove PCBs could create “a civil rights issue” if low-income minority schools could not afford it. What’s more, many of those schools have other environmental problems — including lead, asbestos and mold — that could be higher priorities.So instead, the EPA developed guidance that promotes vigilant cleaning and better ventilation and suggests schools could cover materials suspected of containing PCBs until the buildings are renovated or razed.But the recommendations were released quietly on the agency website to avoid publicity that might frighten the public, according to former EPA officials who said the agency was hamstrung by a problem that could cost billions of dollars. There are no rules requiring school officials to tell parents if they find or suspect their buildings have PCBs.Judith Enck, administrator of the EPA’s Region 2 under Obama, said the EPA bowed to intense political pressure.“The debate was never based on science and health. It was ‘We don’t want the grief from schools, and it’s a lot of work and we have other priorities,’” said Enck, who led an effort to get ballasts out of New York City schools. “I disagreed.”A bill introduced in 2010 by three New York congressmen aimed at funding school PCB cleanups was withdrawn after New York City officials agreed to replace aging ballasts. Sen. Ed Markey of Massachusetts released 8392

  

Butterball is recalling more than 78,000 pounds of raw ground turkey products because they may be contaminated with salmonella.The prepacked raw ground turkey was produced on July 7, 2018, have establishment number “EST. P-7345” inside the USDA mark of inspection and were shipped to stores nationwide, 315

  

An English teacher with Metro Nashville Public Schools has been placed on leave pending a disciplinary review for a homework some parents considered to be inappropriate. The assignment itself has sparked conversation about race and how to handle tough subjects in the classroom.The homework in question was assigned to 30 students at Cane Ridge High School in Antioch as they discussed "Fences," a play and film adaptation exploring the topic of race as a father struggles to provide for his family. The handout given to students asked them to write a one-page paper on the derogatory term "n-word" and answer several questions including how the word is racist and how it is used. In the assignment provided by a parent, the term was spelled out. The play uses the language frequently. The parent, who wanted to remain anonymous, said she was hurt and felt the conversation about race and derogatory terms should be taught by parents and not the school. She wanted more awareness about how sensitive the topic is and preferred prior notification. The teacher involved has been with MNPS since 2015 and received no disciplinary actions in the past. Spokesperson Sean Braisted of MNPS said the assignment has been retracted and canceled. In a statement, MNPS Director Dr. Adrienne Battle said, “The homework assignment given out at Cane Ridge High School was offensive, inappropriate, and out-of-line with the standards of MNPS. I sincerely apologize to students, families, and community members who may experience pain or trauma as a result of this incident.""It's difficult for sure in this particular context if the assignment is appropriate, but based on what I see, those are the kinds of questions we need to engage with our young people," said Cornelius Vanderbilt Distinguished Professor of Education Richard Milner.Milner said having deep conversations on tough subjects like this is in the classroom is essential and can be beneficial to help young people engage in difficult conversations outside of the classroom. However, he stresses a lot of work is required to communicate the meaning and history behind the word beforehand."Thinking about and asking young people to engage with the word without talking and being deliberate about the historical nature of it can do more harm than good," he said.Milner said while most teachers tend to have really good intentions, sometimes teachers are unprepared to address what might be considered the difficult issues, and should have proper tools. Since the incident, a student started an online petition showing support for the teacher. So far it has garnered more than 800 virtual signatures. The student said the teacher is "being persecuted for trying to prepare us for the real world by gifting us with the ability to think critically."Battle said the actions of the teacher will be investigated by Human Resources. The administration is working with the Equity and Diversity team on follow-up actions or training for any other faculty at the school who may have been involved in the decision to approve the assignment. 3089

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