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托福英语听力练习:观看日食

2021-02-21 17:03

来源:新东方网整理

作者:

  新东方网为同学们整理了托福英语听力练习大全,供考生参考学习。

  托福英语听力练习:观看日食

  练习题目:A Rare Solar Eclipse1. What type of solar eclipse occurred on December 25, 2000?

  A. annular

  B. total

  C. partial2. What made this eclipse so unique?

  A. its location for viewing in the world

  B. its timing on the calendar

  C. its movement across the sky3. Who is the most likely audience for this news report?

  A. intermediate skywatchers

  B. novice observers

  C. avid astronomers4. Which statement was NOT mentioned about viewing an eclipse?

  A. Sunglasses block out only a limited amount of the sun's ultraviolet rays that can damage the eye.

  B. Sunglasses can only filter harmful rays during total solar eclipses at their greatest magnitude.

  C. Sunglasses tend to cause the center of the eye to enlarge allowing in more intense light.5. What is one fact we do not learn from the final commentary of the video?

  A. the date of an upcoming solar eclipse

  B. where the next Christmas eclipse will occur

  C. how to record an eclipse for your posterity

  答案:1. partial

  2. its timing on the calendar

  3. novice observers

  4. Sunglasses can only filter harmful rays during total solar eclipses at their greatest magnitude.

  5. how to record an eclipse for your posterity

  TOEFL托福英语英语听力原文:On December 25, 2000, many people across North America received a rare Christmas treat when the moon passed in front of the sun resulting in a partial solar eclipse.Solar eclipses occur when the moon passes between the Earth and the sun, and the moon's shadow covers part of the Earth, and a total solar eclipse takes place when the moon's shadow blocks out the sun entirely. What made this particular solar eclipse unique was that this event has occurred on December twenty-fifth only 30 times during the past 5000 years, the last time in 1954.But people must be exceptionally careful when attempting to view a solar eclipse. Without taking precautionary measures, one can permanently damage the retina of the eye; however, there are several safe methods of witnessing this heavenly marvel.First, you can view a solar eclipse by using eclipse safety glasses for filtering out the sun's harmful rays. They should be used when any part of the sun is visible.Sunglasses can block out some of the sun's ultraviolet rays, but the results can be very deceptive. The eye's natural reaction to this darken state when wearing sunglasses is to make the pupil larger, which allows in more light and can intensify the damage to your eye.You can watch an eclipse by projecting the sun's image on a piece of paper either by using a telescope, or easier yet, by creating a pinhole in a piece of paper and viewing the result on another piece of paper, thus called a pinhole projector.Only during a total eclipse when the sun is completely and briefly covered can you watch the eclipse without eye protection. Even then, extreme caution should be taken.In case you didn't catch this last spectacular eclipse on December twenty-fifth, 2000, there's no need to fret. Your posterity can record the next eclipse on Christmas in the year 2307, but only if they're visiting the west coast of Africa for the holidays.

  TOEFL单词短语学习:treat (noun): a special experience

  - Going to Disneyland for Christmas will be a real treat for the kids.partial (adjective): incomplete

  - The win for the team was only a partial victory since their starting player was injured and will be unable to compete for the next few games.exceptionally (adjective): extremely

  - The boy is exceptionally bright for his age.precautionary (adjective): taken in advance to protect against possible danger

  - As a precautionary step, I believe we should check all of the equipment again to make sure it is working properly.measures (noun): steps, methods, or procedures

  - The astronauts took drastic measures to prevent a collision with the oncoming asteroid.witness (verb): watch or view

  - I'm not sure if we will be able to witness the lunar eclipse because the skies are cloudy.deceptive (deceive) (adjective, also verb): mislead, often deliberately or inadvertently

  - The stars at times seem to twinkle in the night sky, but this perception can be somewhat deceptive. Actually, the star light passing through the atmosphere creates this effect.intensify (verb): to make stronger

  - Over the past several weeks, solar flare activity has intensified disrupting radio transmissions in some parts of the world.fret (verb): to worry unnecessarily of excessively, or be unhappy

  - The boy fretted over losing his favorite toy.

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