铜川冲刺排名(西安复读复读学校专业) (今日更新中)

For the second time in less than six months, a brand-new Boeing aircraft has crashed just minutes into a flight.All 157 people on board the Ethiopian Airlines flight from Addis Ababa that crashed on Sunday morning have died, the airline has confirmed.The tragedy follows the Lion Air flight that went down over the Java Sea in late October, killing all 189 people on board.There is no suggestion yet as to what caused the latest disaster, and no evidence that the two incidents are linked in causality.What is known, however, is that both flights took place on the Boeing 737 MAX 8 -- a new model recently unveiled to great fanfare by the US aviation giant, that saw its first flight less than two years ago."It's highly suspicious," said Mary Schiavo, a CNN aviation analyst and the former Inspector General of the U.S. Transportation Department. "Here we have a brand-new aircraft that's gone down twice in a year. That rings alarm bells in the aviation industry, because that just doesn't happen."Adding to concerns are some similarities between the two flights. Both were operated by well-known airlines with strong safety records -- but the Lion Air flight went down 13 minutes after take off, while Sunday's Ethiopian Airlines flight crashed just six minutes into its journey.And while the Ethiopian Airlines did not see the wild fluctuations in altitude that the Lion Air flight saw, it did dip and then regain altitude before it crashed."The similarities with Lion Air are too great not to be concerned," Schiavo said.Data from flight recorders awaitedAt the root of October's Lion Air crash was a new safety system installed in the MAX 8 plane, known as the Maneuvering Characteristics Augmentation System (MCAS), that automatically pulls the plane's nose down if data suggests it is at risk.In that flight, the system was responding to faulty data that suggested the nose was tilted at a higher angle than it was, indicating the plane was at risk of stalling.The pilots subsequently engaged in a futile tug-of-war with the plane's automatic systems, trying to reverse a nosedive that should not be triggered so soon after takeoff. Boeing has argued that pilots should have identified the system was in operation, and turned it off."All pilots should have been trained on that function after Lion Air," Schiavo added. "Boeing did something very unusual for any manufacturer -- it sent out an emergency bulletin and told all airlines to make sure they trained the pilots in the shut-off procedure.""This is one of the things that should never be happening after takeoff," Schiavo said.It is too early for conclusions to be drawn as to whether the same issue occurred on the Ethiopian Airlines flight -- but a clue could come sooner rather than later."We will not get a final determination for two or three years, but we will get information from the flight recorders -- which I'm guessing will be fairly easy to retrieve -- in a matter of weeks," said CNN anchor Richard Quest, who specializes in aviation."At the moment, it seems a coincidence" that both disasters occurred on the same aircraft, Quest said. "But I'm guaranteeing to you that the authorities will be examining just how close a coincidence, and whether there are common circumstances between the two," he said."Two brand new planes have crashed from two respected airlines," Quest added. "Ethiopian is a very, very well-run airline. There is no safety issue on Ethiopian Airlines."Possible repercussions for Boeing If investigators do uncover a similar cause of the two accidents, the repercussions for Boeing could be dramatic."The Lion Air flight was a big deal for Boeing, but they managed to overcome it," Schiavo says. "They put out the emergency warning about training, and the industry went on. With the second one, I don't think everybody's going to forget."The MAX 8 could be grounded if a link is found -- either by the company itself, or by governments, though the former is more likely to come first, Schiavo says. "The voluntary basis is always the better way to go -- but it will be expensive for Boeing."Airlines with MAX 8 aircraft in their fleet -- and those with outstanding MAX 8 orders -- are likely to be watching developments closely in the coming days and weeks.According to 4284

If President Donald Trump invokes a "national emergency" at the US border and uses emergency powers to bypass Congress and obtain funding to build his long-promised border wall, a battle in the courts over the questionable legality of spending those dollars would be virtually guaranteed.But the United States is no stranger to national emergencies.In fact, the US has been in a perpetual state of declared national emergency for four decades, and the country is currently under 31 concurrent states of emergency about a spectrum of international issues around the globe, according to a CNN review of documents from the Congressional Research Service and the Federal Register.The federal government is well into its third week of a partial shutdown over funding for the President's wall along the border with Mexico. The White House and Democrats in Congress are locked at an impasse: Trump is demanding .6 billion, while House Democrats have vowed not to give him a dollar."I may declare a national emergency dependent on what's going to happen over the next few days," Trump told reporters on Sunday morning, floating using the National Emergencies Act of 1974 to activate special power during a crisis.House Intelligence Committee chairman Adam Schiff told CNN's Jake Tapper on "State of the Union" that Trump doesn't have the authority to do so. "If Harry Truman couldn't nationalize the steel industry during wartime, this President doesn't have the power to declare an emergency and build a multibillion-dollar wall on the border. So, that's a nonstarter."But acting White House chief of staff Mick Mulvaney defended the possibility: "I'm actually heavily involved with it and have been working with all of the Cabinet secretaries to try and find money that we can legally use to defend the southern border," he said on the same program. "Presidents have authority to defend the nation."Not all national emergency declarations are so controversial. Trump has already issued three national emergency declarations during his tenure, most prominently a national emergency meant to punish foreign actors who interfere in American elections, though the move garnered bipartisan criticism for not going far enough. He's also invoked emergency powers to slap sanctions on human rights abusers around the globe and on members of the Nicaraguan government amid corruption and violent protests there.Here's a full list of the 31 active national emergencies under the National Emergencies Act, dating back to the Carter administration:1. Blocking Iranian Government Property (Nov. 14, 1979)2. Proliferation of Weapons of Mass Destruction (Nov. 14, 1994)3. Prohibiting Transactions with Terrorists Who Threaten to Disrupt the Middle East Peace Process (January 23, 1995)4. Prohibiting Certain Transactions with Respect to the Development of Iranian Petroleum Resources (March 15, 1995)5. Blocking Assets and Prohibiting Transactions with Significant Narcotics Traffickers (October 21, 1995)6. Regulations of the Anchorage and Movement of Vessels with Respect to Cuba (March 1, 1996)7. Blocking Sudanese Government Property and Prohibiting Transactions with Sudan (November 3, 1997)8. Blocking Property of Persons Who Threaten International Stabilization Efforts in the Western Balkans (June 26, 2001)9. Continuation of Export Control Regulations (August 17, 2001)10. Declaration of National Emergency by Reason of Certain Terrorist Attacks (September 14, 2001)11. Blocking Property and Prohibiting Transactions with Persons who Commit, Threaten to Commit, or Support Terrorism (September 23, 2001)12. Blocking Property of Persons Undermining Democratic Processes or Institutions in Zimbabwe (March 6, 2003)13. Protecting the Development Fund for Iraq and Certain Other Property in Which Iraq has an Interest (May 22, 2003)14. Blocking Property of Certain Persons and Prohibiting the Export of Certain Goods to Syria (May 11, 2004)15. Blocking Property of Certain Persons Undermining Democratic Processes or Institutions in Belarus (June 16, 2006)16. Blocking Property of Certain Persons Contributing to the Conflict in the Democratic Republic of the Congo (October 27, 2006)17. Blocking Property of Persons Undermining the Sovereignty of Lebanon or Its Democratic Processes and Institutions (August 1, 2007)18. Continuing Certain Restrictions with Respect to North Korea and North Korean Nationals (June 26, 2008)19. Blocking Property of Certain Persons Contributing to the Conflict in Somalia (April 12, 2010)20. Blocking Property and Prohibiting Certain Transactions Related to Libya (February 25, 2011)21. Blocking Property of Transnational Criminal Organizations (July 25, 2011)22. Blocking Property of Persons Threatening the Peace, Security, or Stability of Yemen (May 16, 2012)23. Blocking Property of Certain Persons Contributing to the Situation in Ukraine (March 6, 2014)24. Blocking Property of Certain Persons With Respect to South Sudan (April 3, 2014)25. Blocking Property of Certain Persons Contributing to the Conflict in the Central African Republic (May 12, 2014)26. Blocking Property and Suspending Entry of Certain Persons Contributing to the Situation in Venezuela (March 9, 2015)27. Blocking the Property of Certain Persons Engaging in Significant Malicious Cyber-Enabled Activities (April 1, 2015)28. Blocking Property of Certain Persons Contributing to the Situation in Burundi (November 23, 2015)29. Blocking the Property of Persons Involved in Serious Human Rights Abuse or Corruption (December 20, 2017)30. Imposing Certain Sanctions in the Event of Foreign Interference in a United States Election (September 12, 2018)31. Blocking Property of Certain Persons Contributing to the Situation in Nicaragua (November 27, 2018) 5757

Hurricane Dorian brought wind and rain to Florida, but it also brought sunset skies in brilliant shades of purple on Wednesday evening.The phenomenon behind the stunning hues is known as "scattering."According to the 229

For hours, bullets flew and gunpowder wafted through the streets of North Philadelphia.Police officers trying to serve a narcotics warrant entered a row house in the Nicetown-Tioga neighborhood Wednesday afternoon. As they got toward the kitchen area, a man fired multiple rounds, forcing some officers to escape through the window, authorities said.But others got trapped in the house with the gunman after he barricaded himself. As he traded gunfire with officers outside, bullets ricocheted on the pavement, sending them crouching behind police cars.By the time the suspect was in custody nearly eight hours later, six officers were wounded. Police announced his arrest with a single tweet shortly after midnight Thursday."We're thankful. A little angry about someone having all that weaponry and all that firepower, but we'll get to that another day," Philadelphia Mayor Jim Kenney said at a news conference. "It's about the officers and their families right now."Three hours after the first shotsThe shooting started about 4:30 p.m. after officers entered the home. More than three hours after the first shots, the suspect showed no signs of surrendering, police said.Temple University's Health Sciences Center campus was put on lockdown briefly as police secured the area. Concern grew for two officers trapped in the house with the gunman as police cars and officers in tactical gear swarmed the neighborhood."We've got a pretty horrible situation unfolding, and you hear me say unfolding because it is not resolved," Philadelphia Police Commissioner Richard Ross said at the time.Negotiators tried to communicate with the suspect, but he was picking up the phone and not responding, Ross said. The suspect's attorney joined a phone call to reassure him police won't harm him, authorities said.Five hours after the first shotsAs the sun set and the standoff dragged on, the mayor said he was listening to police radio transmissions. Officers in the house were whispering because they didn't want the shooter to hear them, he said.Five hours after the standoff started, a SWAT team rescued two officers and three others trapped inside the row house, the police commissioner said. CNN affiliate KYW reported the officers were trapped on the second floor while the shooter was on the first floor."They were able to use stealth to do it," the mayor said. He said the shooter appeared unaware of the rescue mission.Eight hours after the first shotsShortly after midnight, authorities announced the suspect's capture.All six officers suffered injuries that are not life threatening and have been released from an area hospital, police said.The Philadelphia mayor called out the NRA and demanded a resolution to the nation's gun crisis, saying officers need help keeping numerous weapons out of criminals' hands."Our officers deserve to be protected and they don't deserve to be shot at by a guy for hours with an unlimited supply of weapons and an unlimited supply of bullets. It's disgusting and we got to do something about it ... quickly," the mayor said. "This government, both on federal and state level, don't want to do anything about getting these guns off the streets and getting them out of the hands of criminals." 3238

GOP's response to impeachment inquiry https://t.co/GdCdhs5Ot0— Scripps National News (@ScrippsNational) September 24, 2019 134

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