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4426 Leggere il brano e rispondere alla seguente domanda
The aviation industry is in crisis, there's a global push to cut carbon emissions, and many of us haven't stepped on a plane or hugged far-flung loved ones in more than a year. But now a fresh bunch of start-ups are working on supersonic and hypersonic projects. Last October frontrunner Boom Supersonic was the first to roll out an actual demonstrator aircraft, the XB1. "That barrier of ??me is what keeps us apart. We believe it's deeply important to break the time barrier, more so than the sound barrier", said Blake Scholl, Boom Supersonic founder and CEO. Designed to seat between 65 and 88 people, Overture will focus on over 500 primarily transoceanic routes that will benefit from the aircraft's Mach-2.2 speeds -- more than twice as fast as today's subsonic commercial jets. A journey from New York to London would take just three hours and 15 minutes while Los Angeles to Sydney would be cut down to eight and a half hours. Breaking the time barrier could be life-changing, says Scholl. "It changes where we can vacation, changes where we can do business, changes who you can fall in love with or you can be close to." Accessibility is key. His aim is that airlines will be able to set fares at a price point similar to business class -- unlike Concorde, which by the '90s was charging around $12,000 for a round trip, or $20,000 in today's money. "As things get back into growth mode," says Scholl, "There's an opportunity to build a new-generation fleet that's got supersonic baked into it. That actually makes it easier to adopt." Then there's the plane's lean 199 feet (60 meters) of supersvelte lines, with no space inside for those undesirable middle seats -- an advantage post-pandemic. "Supersonic's got some inherent advantages," says Scholl. "It's about the same form factor as a 757, so it fits in narrow-body gates, which actually causes airlines to really love it." Wide-body gates are at a premium in today's super-congested airports, so big fat airplanes can be hard to find space for -- but not so for a humble Boeing 757 or a Boom Overture. The major obstacle is that "beyond just accomplishing the speed, it generates a ferocious amount of heat. Any conventional engine that you put together would melt." What will be needed is further advances in material science -- and it's dependent on further invention or discovery. Interest in Boom's project has been high, the company says it currently has $6 billion in pre-orders of Overture aircraft.
Read the extract taken from CNN and then choose the correct option. Breaking the time barrier:
Will dramatically change people's lives.
Will be cheaper.
Will help people fall in love.
Will make travel more accessible to wheelchair users.
4418 "In Northumberland the drop in estimated emissions, from 12.5 tonnes of CO2 per person to 2.1, was due to the closure of industrial sites such as Lynemouth's aluminium smelting plant in 2012. The area's forests and grassland also had a substantial impact by absorbing more CO2 from the atmosphere than releasing it, compared to other places. Meanwhile, emissions in High Peak, which forms part of the Peak District in Derbyshire, are still dominated by industry, with only a 16% fall over 15 years." Has the emissions in High Peak substantially reduced?
No, because there are a lot of industries there.
It is not known.
Yes, from 12.5 tonnes of CO2 per person to 2.1.
Yes, from 20% to 16%.
4410 Leggere il brano e rispondere alla seguente domanda
The aviation industry is in crisis, there's a global push to cut carbon emissions, and many of us haven't stepped on a plane or hugged far-flung loved ones in more than a year. But now a fresh bunch of start-ups are working on supersonic and hypersonic projects. Last October frontrunner Boom Supersonic was the first to roll out an actual demonstrator aircraft, the XB1. "That barrier of ??me is what keeps us apart. We believe it's deeply important to break the time barrier, more so than the sound barrier", said Blake Scholl, Boom Supersonic founder and CEO. Designed to seat between 65 and 88 people, Overture will focus on over 500 primarily transoceanic routes that will benefit from the aircraft's Mach-2.2 speeds -- more than twice as fast as today's subsonic commercial jets. A journey from New York to London would take just three hours and 15 minutes while Los Angeles to Sydney would be cut down to eight and a half hours. Breaking the time barrier could be life-changing, says Scholl. "It changes where we can vacation, changes where we can do business, changes who you can fall in love with or you can be close to." Accessibility is key. His aim is that airlines will be able to set fares at a price point similar to business class -- unlike Concorde, which by the '90s was charging around $12,000 for a round trip, or $20,000 in today's money. "As things get back into growth mode," says Scholl, "There's an opportunity to build a new-generation fleet that's got supersonic baked into it. That actually makes it easier to adopt." Then there's the plane's lean 199 feet (60 meters) of supersvelte lines, with no space inside for those undesirable middle seats -- an advantage post-pandemic. "Supersonic's got some inherent advantages," says Scholl. "It's about the same form factor as a 757, so it fits in narrow-body gates, which actually causes airlines to really love it." Wide-body gates are at a premium in today's super-congested airports, so big fat airplanes can be hard to find space for -- but not so for a humble Boeing 757 or a Boom Overture. The major obstacle is that "beyond just accomplishing the speed, it generates a ferocious amount of heat. Any conventional engine that you put together would melt." What will be needed is further advances in material science -- and it's dependent on further invention or discovery. Interest in Boom's project has been high, the company says it currently has $6 billion in pre-orders of Overture aircraft.
Read the extract taken from CNN and then choose the correct option. What does ROLL OUT mean?
Launch.
Invent.
Design.
Build.
4402 Which one of the following words is out of its context?
Bag.
Bus.
Train.
Plane.
4394 Complete the sentence with the correct tense. "I ___________ you some beer if I had known that you were thirsty".
Would have brought.
Bring.
Brought.
Have brought.
4386 Leggere il brano e rispondere alla seguente domanda
Jeff Bezos' space venture Blue Origin auctioned off a seat on its upcoming first crewed spaceflight on Saturday for $28 million. The winning bidder, whose name wasn't released, will fly to the edge of space with the Amazon founder and his brother Mark on Blue Origin's New Shepard rocket scheduled to launch on July 20. The company said it will reveal the name of the auction winner in the coming weeks. Bidding opened at $4.8 million but surpassed $20 million within the first few minutes of the auction. The auction's proceeds will be donated to Blue Origin's education-focused nonprofit Club for the Future, which supports kids interested in future STEM careers. New Shepard, a rocket that carries a capsule to an altitude of over 340,000 feet, has flown more than a dozen successful test flights without passengers, including one in April at the company's facility in the Texas desert. It's designed to carry up to six people and flies autonomously - without needing a pilot. The capsule has massive windows to give passengers a view of the earth below during about three minutes in zero gravity, before returning to Earth. Bezos and fellow billionaires Elon Musk and Sir Richard Branson are in a race to get to space, but each in different ways. Bezos' Blue Origin and Branson's Virgin Galactic are competing to take passengers on short flights to the edge of space, a sector known as suborbital tourism, while Musk's SpaceX is launching private passengers on further, multi-day flights, in what is known as orbital tourism. Blue Origin's auc??on may have netted $28 million, but a seat on a suborbital spacecraft is typically much less expensive. Virgin Galactic has historically sold reservations between $200,000 and $250,000 per ticket, and more recently charged the Italian Air Force about $500,000 per ticket for a training spaceflight. Musk's orbital missions are more costly than the suborbital flights, with NASA paying SpaceX about $55 million per seat for spaceflights to the ISS.
Read the extract taken from CNBC and then choose the correct option. Which of the following is NOT true about New Shepherd?
It was designed by Jeff Bezos and his brother.
It is self-flying.
It has conducted more than 10 test flights without passengers.
It has very large windows.
4378 Complete the sentence with the correct tense. "You´ll get a cold if you ___________ your wet clothes".
Don't change.
Hadn't changed.
Didn't change.
Have changed.
4370 Which one of the following words is out of its context?
Waiter.
Armchair.
Carpet.
Sofa.
4362 Leggere il brano e rispondere alla seguente domanda
Jeff Bezos' space venture Blue Origin auctioned off a seat on its upcoming first crewed spaceflight on Saturday for $28 million. The winning bidder, whose name wasn't released, will fly to the edge of space with the Amazon founder and his brother Mark on Blue Origin's New Shepard rocket scheduled to launch on July 20. The company said it will reveal the name of the auction winner in the coming weeks. Bidding opened at $4.8 million but surpassed $20 million within the first few minutes of the auction. The auction's proceeds will be donated to Blue Origin's education-focused nonprofit Club for the Future, which supports kids interested in future STEM careers. New Shepard, a rocket that carries a capsule to an altitude of over 340,000 feet, has flown more than a dozen successful test flights without passengers, including one in April at the company's facility in the Texas desert. It's designed to carry up to six people and flies autonomously - without needing a pilot. The capsule has massive windows to give passengers a view of the earth below during about three minutes in zero gravity, before returning to Earth. Bezos and fellow billionaires Elon Musk and Sir Richard Branson are in a race to get to space, but each in different ways. Bezos' Blue Origin and Branson's Virgin Galactic are competing to take passengers on short flights to the edge of space, a sector known as suborbital tourism, while Musk's SpaceX is launching private passengers on further, multi-day flights, in what is known as orbital tourism. Blue Origin's auc??on may have netted $28 million, but a seat on a suborbital spacecraft is typically much less expensive. Virgin Galactic has historically sold reservations between $200,000 and $250,000 per ticket, and more recently charged the Italian Air Force about $500,000 per ticket for a training spaceflight. Musk's orbital missions are more costly than the suborbital flights, with NASA paying SpaceX about $55 million per seat for spaceflights to the ISS.
Read the extract taken from CNBC and then choose the correct option. How are Blue Origin and Virgin Galactic different from SpaceX?
SpaceX is launching orbital tourism while Blue Origin and Virgin Galactic operate in a sector known as suborbital tourism.
Blue Origin and Virgin Galactic space flights will go further.
SpaceX is less expensive.
Blue Origin and Virgin Galactic have a longer history.
4354 "It is estimated that 2.6 million schoolchildren live below the poverty line in England alone, and Ofcom estimates that about 9% of children in the UK - between 1.1 million and 1.8 million - do not have access to a laptop, desktop or tablet at home. More than 880,000 children live in a household with only a mobile internet connection". How many schoolchildren do not have access to a laptop, desktop or tablet?
Between 1.1 million and 1.8 million.
2.6 million.
880.000.
3 million.
