牛解剖模型(上海血管介入手术模拟教学训练系统) (今日更新中)

Sharp drops in Apple, Facebook and other big technology companies ended a miserable week on Wall Street on another sour note. The S&P 500 gave back 1.2%, sealing back-to-back weekly losses and the second straight losing month for the benchmark index since March. Surging coronavirus cases in the U.S. and Europe have spooked investors into dumping riskier assets. Washington's failure to deliver badly needed aid to the recession-struck economy and uncertainty about the presidential election have also cast a pall on markets. The drops in several high-flying Big Tech stocks came after those companies issued uncertain outlooks for the future.On Friday, the number of coronavirus cases in the US rose to 9 million since the start of the pandemic. Many states are seeing record levels of cases and hospitalizations associated with the virus. 854

SPRING VALLEY, Calif. (KGTV) -- Three people were rushed to the hospital early Monday morning after a head-on collision on a Spring Valley street.According to the California Highway Patrol, the crash happened in the 9100 block of Jamacha Boulevard, near Kempton Street, at around 1:30 a.m.While the events that led to the crash remain under investigation, CHP officials confirmed two cars collided head-on and left the drivers of each vehicle trapped.Emergency crews took about 15 minutes to extricate the drivers and a passenger from the wreckage. The conditions of the victims are unknown.No other vehicles were involved and no other injuries were reported. 667

Sexting among teens and younger children has increased over the past decade and poses a growing challenge for educators and parents, according to a new study.One in four young people said they'd received sexts, and one in seven reported sending them, according to the study, which was published Monday in the journal JAMA Pediatrics. The research included data from 39 separate research projects conducted between January 1990 and June 2016, with a total of 110,380 participants, all of whom were under 18 -- with some as young as 11.The researchers focused on data since 2008 and found an increase in sexting among young people.The increased number of young people involved in sending or receiving sexually explicit photographs or messages has corresponded with rapidly expanding access to cell phones.With that trend in mind, the study's authors suggest that "age specific information on sexting and its potential consequences should regularly be provided as a component of sex education."Why sext? 1008

Starbucks has apologized after a viral video appeared to show two men being arrested while waiting to meet a friend."We apologize to the two individuals and our customers and are disappointed this led to an arrest. We take these matters seriously and clearly have more work to do when it comes to how we handle incidents in our stores. We are reviewing our policies and will continue to engage with the community and the police departments to try and ensure these types of situations never happen in any of our stores," the company said in a statement posted to social media.  589

Sparkly evening dresses, corsages, and... modesty ponchos?That was a Catholic high school's solution for girls who didn't follow its prom dress code.It swiftly backtracked Tuesday after it came under a firestorm of criticism for what students called a misogynistic policy. 280

来源：资阳报