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贵州电动人体呼吸系统模型
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钱江晚报

发布时间: 2025-05-30 12:02:22北京青年报社官方账号
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  贵州电动人体呼吸系统模型   

Amid the COVID-19 pandemic, with millions of schoolchildren still learning remotely as the weather turns colder, some might benefit from a few investments in their at-home experience.The following items, all under , can help make distance learning more appealing to even the youngest learners.1. New background decorationsWhen your child is on screen all day, sprucing up their background with a wall decal or two can help keep them in school mode, especially when virtual backgrounds are prohibited by school systems. Consider shopping for a school-themed wall decal like crayons, pencils, numbers or books. A quick search on Amazon or Etsy pulls up dozens of choices for under .2. A clip-on selfie lightSmall selfie lights that attach to the side of a screen can help light up your child’s face and ensure the teacher can see them, too. This light is especially useful if your student is sitting in a dark room or has a light or window behind them. You’ll want to make sure it’s not too bright for their eyes, but selfie lights generally allow you to adjust the brightness.3. A paper plannerEven though distance learning largely takes place on a computer, it’s nice for kids to get some practice staying organized on paper. To keep track of homework assignments, due dates and even online classes, consider buying a small paper planner for your student. A pack of fine-tip colorful pens can also be a nice bonus.4. Online programs to boost learningAfter checking which free online programs are available through your child’s school, you might want to supplement your child’s learning with some relatively inexpensive academic games. Prodigy, a math game for students in grades one through eight, offers a free version and a premium version, which costs .95 a month (or less if you purchase a longer subscription). Scholastic offers a “Learn at Home” program that costs .99 a month. There are countless other options, so you might want to search online for educational games related to the subjects your child wants to practice.5. A stress ball to squeezeKids of all ages (and even some adults) can struggle with sitting still and remaining on video for class all day. If your child likes to fidget, you might want to consider buying a large stress ball for them to squeeze with their hands or feet off screen. It can help get out some of their energy so they can stay focused on class. If you search online for “giant stress ball,” you’ll find plenty of options for under .6. Blue-light glassesYou’ve probably heard about the blue light being emitted from computer screens that can irritate eyes and even keep you up at night. To protect your child’s eyes from that stress, or just to make a fashion statement, you might want to invest in some blue-light glasses. They filter out the blue light and also look pretty cool. While some are pricier, plenty of colorful kids’ models are available for or less.7. Fine-tip dry-erase markersTeachers often ask students to hold up their work on dry-erase boards or paper to help keep them on task. Using a fine-tip marker with an eraser tip can make it easier for small hands to fit more numbers or words on their dry-erase board; buying different colors can make it more fun, too. You can find multipacks for under online.8. Trifold poster boardIf your child is easily distracted or working in a room with other people — including other children attending school on different computers — then surrounding their front and side views with a trifold poster board can help them stay focused on class. They can even decorate the poster board with photos and drawings.9. Kid-size headphonesHeadphones can also help cut out distractions, and there are plenty of kids’ headphones on the market for under . If you’re willing to spend a few dollars more for wireless headphones, that can help reduce the temptation to fidget with the wires.More From NerdWalletNo Credit? 3 Steps to Qualify for a Great Credit Card3 Ways to Keep Your Distance With Contactless PaymentsIf Credit Card Relief’s a No-Go, Check Out Debt ManagementKimberly Palmer is a writer at NerdWallet. Email: kpalmer@nerdwallet.com. Twitter: @kimberlypalmer. 4190

  贵州电动人体呼吸系统模型   

An escort and "her protection" were arrested in Florida after they apparently showed up to the wrong house.Linda Elkins and Bosha Dawes, both 26, are facing loitering charges after Cape Coral Police said they showed up to a home on SE 10th Terrace and rang the doorbell just before 3 a.m."I would have answered the door with my shotgun," Rachad Leanari, a neighbor, told Scripps station WFTX in Fort Myers, Florida.The couple who lives in the home called police. They told officers Dawes rang their doorbell with something white covering his face. Elkins was with him. The couple then left, but came back shortly after before leaving again."They hid behind the post so they couldn't see him out the peephole," Melissa Jones, who lives next door, said. "She texted me at 2:30 while it was happening, saying 'is your husband banging on my door or ringing my doorbell?'""She seemed petrified. Petrified. I think they were seriously in fear for their life," Jones said.Police were able to catch up with Dawes and Elkins, who first claimed not to know each other or why they were there. They said Elkins was wearing pink see-through lingerie, and she told police she's an escort off of Backpage.com. She told police Dawes is her driver and waits outside while she goes into homes "for protection.""Floored...appalled...we have young children in our home that we don't let play on their bikes outside by themselves for weirdos, and that's a whole different kind of weirdo," Jones said. "We have young girls and young boys, and neither one need to be exposed to any little lady in a pink teddy at 3 a.m.."Elkins is also charged with using a false name, possession of marijuana, and had a warrant for her arrest out of Polk County for driving with a suspended license. 1768

  贵州电动人体呼吸系统模型   

As firefighters make progress in containing a Northern California wildfire that has become the deadliest in the state's recorded history, high winds are expected to fan the flames of another major fire burning further south.Fierce Santa Ana winds continue to threaten lives and homes in Southern California's Woolsey Fire, which has killed two people so far.The region remains under both a "critical" and "extreme" risk Tuesday with winds of up to 60 mph and gusts of more than 70 mph possible, according to CNN Meteorologist Pedram Javaheri."On Tuesday, the threat also shifts a bit farther south into San Diego County as officials urge against any outdoor burning that can lead to rapid and explosive growth of a fire," he said.Meanwhile, firefighters battling the Camp Fire in Northern California could get a break Tuesday as winds begin to diminish. The Camp Fire became the state's deadliest Monday after an additional 13 sets of human remains were discovered -- raising that fire's death toll to 42 and the statewide death toll from the latest wildfires to 44.Firefighters made progress Monday in containing the blaze, which razed the town of Paradise, where most of the dead have been found. 1206

  

As hundreds of thousands of workers were sent home, and office buildings evacuated over coronavirus concerns, the CDC is warning about a potential secondary health concern when they come back: Legionnaires disease.The CDC should know, they are dealing with a Legionella bacteria discovery itself in some of their leased buildings in the Atlanta area. Several buildings are now closed because the bacteria was found in their water system, likely because of the prolonged shutdown."During the recent closures at our leased space in Atlanta, working through the General Services Administration (GSA), CDC directed the landlord to take protective actions," the CDC said in a statement to CNN."Despite their best efforts, CDC has been notified that Legionella, which can cause Legionnaires' Disease, is present in a cooling tower as well as in some water sources in the buildings. Out of an abundance of caution, we have closed these buildings until successful remediation is complete."The bacteria grows in warm or stagnant water, which is why there is concern as office buildings and restaurants sit abandoned during the pandemic. The bacteria is common in water, and is usually only a problem when the water becomes aerosolized and people breath it in; common sources are showers and water fountains. Legionella bacteria can cause deadly pneumonia.Last year, the CDC reports, 4,294 cases were reported. So far this year, 1,813 cases have been reported.It’s not known if the pandemic-caused shutdowns will worsen the problem or improve it; people are not gathering in hotels, offices or factory buildings as much, however thousands of miles of pipes in buildings are sitting empty and stagnating in the warm summer months."There is currently no nationwide surveillance of water systems for Legionella disease," Chris Edens, an epidemiologist on CDC's Legionella team, told CNN. He said state health departments that normally monitor and report cases of Legionella infection are tied up dealing with coronavirus.To reduce the likelihood of the bacteria growing in pipes, keep cold water cold and hot water hot; Legionella bacteria grows between 80° and 120° Fahrenheit.The CDC has recommendations on their website for building owners reopening after a prolonged shutdown. 2275

  

As Major League Baseball threw out the first pitch Thursday night, MLB announced that the player’s association and league have agreed to a 16-team playoff for this season only. This expands it from the normal 10 teams. The decision makes it possible, if not likely, that teams with losing records will reach the postseason. Sixteen of the 30 teams will advance to a best-of-three first round. MLB agreed to guarantee a postseason pool that would be million if the entire postseason is played. The pool usually comprises ticket money, but baseball anticipates playing the entire year in empty ballparks due to the coronavirus.Details about how the playoff match-ups would be decided is still being discussed, according to media reports. There is a proposal being considered, according to ESPN, that some of the playoff teams could pick their opponents. On Thursday, baseball fans will get to watch Washington Nationals host the New York Yankees and the Los Angeles Dodgers take on the San Francisco Giants.The other 26 teams will start their seasons on Friday.This season will only be 60 games, down dramatically from normal years.Another change due to the pandemic includes a COVID-19 inactive roster in addition to the injured roster. There is no set amount of time a player must remain out if they test positive for COVID-19.Find more information about the 2020 season here. 1388

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