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Free Test Prep ACT Test Exam Braindumps (page: 50)

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PDF with 1039 Questions

DIRECTIONS: In the passage below, certain phrases are underlined and numbered <x>. The question will present alternatives for the underlined part. In most cases, you are to choose the one that best expresses the idea, makes the statement appropriate for standard written English, or is worded most consistently with the style and tone of the passage as a whole. If you think the original version is the best, choose "NO CHANGE".

Lightning in the Sand

[§1] As my friend Anna and I walked the sand dunes of southeastern New Mexico, she told me that she hoped we'd find a fulgurite, one as translucent white as the southeastern New Mexico sands around us. <1> A fulgurite ­ whose name stems from the Latin word fulgur, which means "thunderbolt" ­ is a hollow silica glass tube formed when lightning strikes sand. A fulgurite is created in one explosive second by fusion and pressure as sand heated by a lightning blast melts, <2> and becomes glass. Commonly called "petrified lightning," a fulgurite places <3> the shape of a miniature lightning bolt into the earth, often branching deep into the ground.

[§2] Anna told me that I had possibly seen a small fragment of a fulgurite before, without realizing I had, on a beach. She explained though that even experts <4> are rarely able to locate a fully intact fulgurite. The thin, brittle glass tubes break easily. <5> Occasionally, after strong, sustained winds have shifted desert sands, while <6> an unbroken, previously buried fulgurite will be revealed, showing as a tube protruding from the ground. <7> I scanned the area, hopeful that I'd see a tube newly uncovered. <8> Anna made clear that we'd be lucky to come upon a small piece of fulgurite, just a few inches long.

[§3] Anna had shown me fulgurites she had found on other trips. Their colors ranged from black to brown to green, corresponding to the color of the sand in which she had discovered them. I wasn't surprised that I'd never recognized fulgurites on any beach: no one had ever told me what to look for <9> Their interiors, though, are smooth, clear glass stained <10> with tiny bubbles trapped formed by air and moisture <11> during the rapid cooling of the melted sand after the
lightning strike.

[§4] We continued exploring the dunes. Anna laughed and said we needed only to stop at the local gift shop to unearth <12> our treasure. <13> But given our <14> luck finding fulgurites in deserts and on beaches, <15> she wanted to keep searching to find our own piece of bright, white lightning in the sand.

If the writer deleted the preceding sentence <13>, the essay would primarily lose a:

  1. bluntly critical comment that makes clear Anna's frustration with trying to find a white fulgurite in the sand dunes of New Mexico.
  2. mildly scolding response by Anna to the narrator's impatience with the time and attention it might take for them to find a white fulgurite.
  3. light moment in the form of a good-natured joke by Anna about how easy it could be to find a white fulgurite.
  4. moment of excitement when Anna remembers that they could easily find a white fulgurite at the local gift shop.

Answer(s): C



DIRECTIONS: In the passage below, certain phrases are underlined and numbered <x>. The question will present alternatives for the underlined part. In most cases, you are to choose the one that best expresses the idea, makes the statement appropriate for standard written English, or is worded most consistently with the style and tone of the passage as a whole. If you think the original version is the best, choose "NO CHANGE".

Lightning in the Sand

[§1] As my friend Anna and I walked the sand dunes of southeastern New Mexico, she told me that she hoped we'd find a fulgurite, one as translucent white as the southeastern New Mexico sands around us. <1> A fulgurite ­ whose name stems from the Latin word fulgur, which means "thunderbolt" ­ is a hollow silica glass tube formed when lightning strikes sand. A fulgurite is created in one explosive second by fusion and pressure as sand heated by a lightning blast melts, <2> and becomes glass. Commonly called "petrified lightning," a fulgurite places <3> the shape of a miniature lightning bolt into the earth, often branching deep into the ground.

[§2] Anna told me that I had possibly seen a small fragment of a fulgurite before, without realizing I had, on a beach. She explained though that even experts <4> are rarely able to locate a fully intact fulgurite. The thin, brittle glass tubes break easily. <5> Occasionally, after strong, sustained winds have shifted desert sands, while <6> an unbroken, previously buried fulgurite will be revealed, showing as a tube protruding from the ground. <7> I scanned the area, hopeful that I'd see a tube newly uncovered. <8> Anna made clear that we'd be lucky to come upon a small piece of fulgurite, just a few inches long.

[§3] Anna had shown me fulgurites she had found on other trips. Their colors ranged from black to brown to green, corresponding to the color of the sand in which she had discovered them. I wasn't surprised that I'd never recognized fulgurites on any beach: no one had ever told me what to look for <9> Their interiors, though, are smooth, clear glass stained <10> with tiny bubbles trapped formed by air and moisture <11> during the rapid cooling of the melted sand after the
lightning strike.

[§4] We continued exploring the dunes. Anna laughed and said we needed only to stop at the local gift shop to unearth <12> our treasure. <13> But given our <14> luck finding fulgurites in deserts and on beaches, <15> she wanted to keep searching to find our own piece of bright, white lightning in the sand.

<14>:

  1. NO CHANGE
  2. her
  3. my
  4. their

Answer(s): B



DIRECTIONS: In the passage below, certain phrases are underlined and numbered <x>. The question will present alternatives for the underlined part. In most cases, you are to choose the one that best expresses the idea, makes the statement appropriate for standard written English, or is worded most consistently with the style and tone of the passage as a whole. If you think the original version is the best, choose "NO CHANGE".

Lightning in the Sand

[§1] As my friend Anna and I walked the sand dunes of southeastern New Mexico, she told me that she hoped we'd find a fulgurite, one as translucent white as the southeastern New Mexico sands around us. <1> A fulgurite ­ whose name stems from the Latin word fulgur, which means "thunderbolt" ­ is a hollow silica glass tube formed when lightning strikes sand. A fulgurite is created in one explosive second by fusion and pressure as sand heated by a lightning blast melts, <2> and becomes glass. Commonly called "petrified lightning," a fulgurite places <3> the shape of a miniature lightning bolt into the earth, often branching deep into the ground.

[§2] Anna told me that I had possibly seen a small fragment of a fulgurite before, without realizing I had, on a beach. She explained though that even experts <4> are rarely able to locate a fully intact fulgurite. The thin, brittle glass tubes break easily. <5> Occasionally, after strong, sustained winds have shifted desert sands, while <6> an unbroken, previously buried fulgurite will be revealed, showing as a tube protruding from the ground. <7> I scanned the area, hopeful that I'd see a tube newly uncovered. <8> Anna made clear that we'd be lucky to come upon a small piece of fulgurite, just a few inches long.

[§3] Anna had shown me fulgurites she had found on other trips. Their colors ranged from black to brown to green, corresponding to the color of the sand in which she had discovered them. I wasn't surprised that I'd never recognized fulgurites on any beach: no one had ever told me what to look for <9> Their interiors, though, are smooth, clear glass stained <10> with tiny bubbles trapped formed by air and moisture <11> during the rapid cooling of the melted sand after the lightning strike.

[§4] We continued exploring the dunes. Anna laughed and said we needed only to stop at the local gift shop to unearth <12> our treasure. <13> But given our <14> luck finding fulgurites in deserts and on beaches, <15> she wanted to keep searching to find our own piece of bright, white lightning in the sand.

Which of the following alternatives to the underlined portion <15> would provide the essay with new information?

  1. beaches in Florida, Utah, California, and Nevada,
  2. beaches, but so far not this day in the New Mexico sands,
  3. beaches, in other words, sandy locales,
  4. beaches, even a green fulgurite,

Answer(s): A



DIRECTIONS: In the passage below, certain phrases are underlined and numbered <x>. The question will present alternatives for the underlined part. In most cases, you are to choose the one that best expresses the idea, makes the statement appropriate for standard written English, or is worded most consistently with the style and tone of the passage as a whole. If you think the original version is the best, choose "NO CHANGE".

Planet Earth's Windiest Observatory

[§1] Step outside into blowing snow, freezing fog, 45 mph winds with hurricane-force gusts, and a -50° Fahrenheit windchill. Welcome to a typical January day at the Mount Washington Observatory. [A] Weather conditions at this facility, which sits atop its <1> namesake's 6,288-foot peak in New Hampshire, has earned <2> the location the nickname "Home of the World's Worst Weather."

[§2] [B] Though somewhat diminutive compared to other mountains, (Colorado's Pikes Peak, <3> for example, is more than twice its height), Mount Washington is the tallest peak in the Presidential Range. <4> The peak stands at the confluence of three major storm tracks, and its steep slopes force <5> rising winds to accelerate. In fact, scientists in 1934 recorded a surface wind speed (of 231 mph): <6> one of the fastest ever recorded.

[§3] In one study, researchers used a laser beam and advanced optical techniques to measure winds. The observatory also keeps detailed weather records that scientists have used to track climate trends and weather patterns. The <7> observatory has also advanced scientists' understanding of clouds, of ice physics, <8> and the atmosphere.

[§4] To conduct all this research, staff are on-site year-round. Observers, who work <9> several twelve-hour shifts over the course of a week. To change personnel in winter, though, <10> crews ascend the mountain in a vehicle, gripping <11> the snow using revolving tracks similar to those on a military tank. Observers go outside every hour to gather data, which they send to the National Weather Service. [C]

[§5] Though isolated, the Mount Washington Observatory offers weather enthusiasts many ways to get involved. The observatory takes volunteers and accepts interns, who assist with research. The <12> bold can take part in educational trips to the summit in winter. [D] For those who are planning to make a trip to Mount Washington, <13> the observatory has a website with live video feeds of the summit.

<1>:

  1. NO CHANGE
  2. their
  3. these
  4. it's

Answer(s): B



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