According to physicist Lord Kelvin as cited in "To Fly," a chapter from "Space Chronicles", why whould human flight be impossible?
Responda
Humans would not be able to breathe at altitudes necessary for flight.
Powerful air currents would cause any flying vehicle to crash.
It is impossible to design artificial wings.
Things heavier than air cannot fly.
Questão 2
Questão
In "Fly", how does the author respond to Kelvin´s assertion about flight?
Responda
He suggests that technological ingenuity can solve all problems.
He points out thet birds are heavier than air, yet they fly.
He reminds the reader that Kelvin was not an inventor.
He reveals plans for a self-propelled airplane.
Questão 3
Questão
According to the author of "To Fly", what is the greatest achievement in flight so far?
Responda
Icarus' flight
The Write Brother's aeroplane
the breaking of the sound barrier
the Apollo 11 lunar landing
the launch of Voyager 2
Questão 4
Questão
If a vacation has "foresight", which of the following is most likely to be true?
Responda
She chooses the passport photo that makes her look happiest,.
She packs clothing for all potential changes in the weather.
Questão 5
Questão
Read the following passage from "To Fly":
For Millennia, the idea of being able to fly occupied human dreams and fantasies. Waddling around on Earth's surface as majestic birds flew overhead, perhaps we developed a form of wing envy. One might even call it wing worship.
The author says that humans want the powers that they observe in other creatures.
Responda
True
False
Questão 6
Questão
Which fact about an author best illustrates the meaning of prescient?
Responda
David Copperfield, published in 1850, is the most autobiographical of Charles Dicken's books.
In "The Sleeper Awakes," written in 1899, H:G: Wells describes aerial warfare before it was invented!
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