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Q1723850 Inglês
Answer question according to the text below.

A scientific paper led by two researchers at Harvard University made a splash this week by claiming that a cigar-shaped rock zooming through our solar system may have been sent by aliens. Oumuamua, Hawaiian for "messenger" or "scout", was first viewed by telescopes in October 2017. It is the first interstellar object known to enter our solar system.
"There is an unexplained phenomena: the excess acceleration of Oumuamua, which we show may be explained by the force of radiation pressure from the sun. However this requires the body to have a very large surface and be very thin, which is not encountered in nature", co-author and Harvard astrophysicist Shmuel Bialy said.
Their suggestion of an alien force at work went viral. But other astronomy experts aren't buying it Asked if he believed the hypothesis he put forward, Bialy pointed: "I wouldn't say I 'believe' it is sent by aliens, as I am a scientist, and not a believer, I rely on evidence to put forward possible physical explanation for observed phenomena."
Their paper was accepted for publication in the Astrophysical Journal Letters.
(Fonte: Adapted from https://news.abs-cbn.com/overseas/11/07/18/scientists-push-back-against-harvard-alien-spacecraft-theory.)
Asked if he believed the hypothesis he presented, Bialy answered that:
Alternativas
Q1723849 Inglês
Answer question according to the text below.

A scientific paper led by two researchers at Harvard University made a splash this week by claiming that a cigar-shaped rock zooming through our solar system may have been sent by aliens. Oumuamua, Hawaiian for "messenger" or "scout", was first viewed by telescopes in October 2017. It is the first interstellar object known to enter our solar system.
"There is an unexplained phenomena: the excess acceleration of Oumuamua, which we show may be explained by the force of radiation pressure from the sun. However this requires the body to have a very large surface and be very thin, which is not encountered in nature", co-author and Harvard astrophysicist Shmuel Bialy said.
Their suggestion of an alien force at work went viral. But other astronomy experts aren't buying it Asked if he believed the hypothesis he put forward, Bialy pointed: "I wouldn't say I 'believe' it is sent by aliens, as I am a scientist, and not a believer, I rely on evidence to put forward possible physical explanation for observed phenomena."
Their paper was accepted for publication in the Astrophysical Journal Letters.
(Fonte: Adapted from https://news.abs-cbn.com/overseas/11/07/18/scientists-push-back-against-harvard-alien-spacecraft-theory.)
According to the text, Oumuamua:
Alternativas
Q1723848 Inglês
Choose the alternative that best completes the sentence bellow: “The noise was loud, so I put my hands ______ my ears”
Alternativas
Q1723847 Inglês
Answer question according to the text below.

As Hannah Campbell happily runs around in the park with her little daughter Milly, passers-by glance in wonder at her running-blade leg. Some kind of accident? Maybe a car crash? A tragedy, whatever it was. They pass on by with no idea that they have just witnessed the only mum in the British Army to lose a limb in a war zone now bravely rebuilding her life. (…) Doctors battled to save her shattered leg through 19 painful operations but in the end she needed a final op to remove it below the knee... and that left her on the brink of death.
Now, 18 months after the amputation, Hannah is happy and smiling as she plays with seven-year-old Milly. Her left leg is gone, but her life is back. “It may be hard to believe, but losing it has enabled me to become a mother again,” says Hannah, who is back down to a fighting-fit 10 stone and will be running in the London Marathon on Sunday.
(Fonte: Adapted from https://www.mirror.co.uk/news/real-life-stories/army-corporal-hannah-campbell-reveals-795424.)
In the text, the expression “running-blade leg” refers to:
Alternativas
Q1723846 Inglês
Answer question according to the text below.

As Hannah Campbell happily runs around in the park with her little daughter Milly, passers-by glance in wonder at her running-blade leg. Some kind of accident? Maybe a car crash? A tragedy, whatever it was. They pass on by with no idea that they have just witnessed the only mum in the British Army to lose a limb in a war zone now bravely rebuilding her life. (…) Doctors battled to save her shattered leg through 19 painful operations but in the end she needed a final op to remove it below the knee... and that left her on the brink of death.
Now, 18 months after the amputation, Hannah is happy and smiling as she plays with seven-year-old Milly. Her left leg is gone, but her life is back. “It may be hard to believe, but losing it has enabled me to become a mother again,” says Hannah, who is back down to a fighting-fit 10 stone and will be running in the London Marathon on Sunday.
(Fonte: Adapted from https://www.mirror.co.uk/news/real-life-stories/army-corporal-hannah-campbell-reveals-795424.)
According to the text: I. Hannah Campbel had a serious car accident. II. The doctors could not save her leg, so limb amputation was performed. III. After 18 months, Hannah is happy and smiling as she plays with her daughter.
Alternativas
Respostas
851: C
852: B
853: C
854: D
855: C