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TOEFL Practice quiz based off of the readings found in the passages in note... https://www.examtime.com/p/1018831-TOEFL-Sample-Essays-notes

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TOEFL Practice Quiz (See Passage 1)

Pregunta 1 de 11

1

In paragraph (1) the word POSE is closest in meaning to?

Selecciona una de las siguientes respuestas posibles:

  • claim

  • model

  • assume

  • present

Explicación

Pregunta 2 de 11

1

In paragraph 2, why does the author include the information that dinosaurs had flourished for tens of millions of years and then suddenly disappeared?

Selecciona una de las siguientes respuestas posibles:

  • To support the claim that the mass extinction at the end of the Cretaceous is the best-documented of the dozen or so mass extinctions in the geological record

  • To explain why as many as half of the species on Earth at the time are believed to have become extinct at the end of the Cretaceous

  • To explain why paleontologists have always been intrigued by the mass extinction at the end of the Cretaceous

  • To provide evidence that an impact can be large enough to disturb the environment of the entire planet and cause an ecological disaster

Explicación

Pregunta 3 de 11

1

Which of the following can be inferred from paragraph 3 about the location of the meteorite impact in Mexico?

Selecciona una de las siguientes respuestas posibles:

  • The location of the impact site in Mexico was kept secret by geologists from 1980 to 1990

  • It was a well-known fact that the impact had occurred in the Yucatán region

  • Geologists knew that there had been an impact before they knew where it had occurred.

  • The Yucatán region was chosen by geologists as the most probable impact site because of its climate.

Explicación

Pregunta 4 de 11

1

According to paragraph 3, how did scientists determine that a large meteorite had impacted Earth?

Selecciona una de las siguientes respuestas posibles:

  • They discovered a large crater in the Yucatán region of Mexico.

  • They found a unique layer of sediment worldwide.

  • They were alerted by archaeologists who had been excavating in the Yucatán region.

  • They located a meteorite with a mass of over a trillion tons

Explicación

Pregunta 5 de 11

1

In paragraph 4, the word EXCAVATING is closest to meaning to...

Selecciona una de las siguientes respuestas posibles:

  • digging out

  • extending

  • destroying

  • covering up

Explicación

Pregunta 6 de 11

1

In paragraph 4 the word CONSUMED is closest in meaning to..

Selecciona una de las siguientes respuestas posibles:

  • changed

  • exposed

  • destroyed

  • covered

Explicación

Pregunta 7 de 11

1

According to paragraph 4, all of the following statements are true of the impact at the end of the Cretaceous period EXCEPT:

Selecciona una de las siguientes respuestas posibles:

  • A large amount of dust blocked sunlight from Earth.

  • Earth became cold and dark for several months.

  • New elements were formed in Earth’s crust.

  • Large quantities of nitric acid were produced.

Explicación

Pregunta 8 de 11

1

The phrase "tentatively identified" in paragraph 5 is closest in meaning to...

Selecciona una de las siguientes respuestas posibles:

  • identified after careful study

  • identified without certainty

  • occasionally identified

  • easily identified

Explicación

Pregunta 9 de 11

1

The word perspective in paragraph 6 is closest in meaning to...

Selecciona una de las siguientes respuestas posibles:

  • sense of values

  • point of view

  • calculation

  • complication

Explicación

Pregunta 10 de 11

1

Paragraph 6 supports which of the following statements about the factors that are essential for the survival of a species?

Selecciona una de las siguientes respuestas posibles:

  • The most important factor for the survival of a species is its ability to compete and adapt to gradual changes in its environment

  • The ability of a species to compete and adapt to a gradually changing environment is not the only ability that is essential for survival.

  • Since most extinctions of species are due to major meteorite impacts, the ability to survive such impacts is the most important factor for the survival of a species.

  • The factors that are most important for the survival of a species vary significantly from one species to another.

Explicación

Pregunta 11 de 11

1

According to the passage, who conducted investigations about the current dangers posed by large meteorite impacts on Earth?

Selecciona una de las siguientes respuestas posibles:

  • Paleontologists

  • Geologists

  • The United States Congress

  • NASA

Explicación