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調查局三等 106年 [財經實務組] 綜合法政知識與英文(包括中華民國憲法、法學緒論、兩岸關係、英文)

第 47 題

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請依下文回答第 46 至 50 題: The word volcano can describe anything from a single opening in the earth a few meters across to a field of connected openings that might be 20 kilometers or more in width. Most researchers consider any set of openings that are connected to a large central core as a single “volcano”. Otherwise, they would have to deal with an endless number of names for each individual opening. Italy’s Stromboli has been almost constantly erupting for over 2400 years, but most eruptions do not last that long. Currently, there are about 15 volcanoes worldwide that have been actively erupting for the last 30 years. On the other end of the scale, about ten percent of volcanoes have eruptions which last for just a single day. The majority of the eruptions lasted three months or less. This means the average time from beginning to end is usually about seven weeks. From the number of volcanic eruptions detected over the past few hundred years, it would appear that they are becoming much more frequent over time. However, when researchers tracked the growth in reported eruptions along with the growth of the human population, they realized that volcanic activity wasn’t actually becoming more frequent. Instead, as people spread over more areas of the earth’s surface, the monitoring and reporting of volcanic activity inevitably increased with the expanding population. The highest volcano when measured from sea level to its top is Ojos del Salado in the Andes mountains in South America. It is 6,887 meters above sea level. However, when measured from its base on the surface of the earth to the top, a different set of volcanoes become the highest ones. Some volcanoes in the Mauna Loa zone near Hawaii rise as much as 19 kilometers above their bases at the bottom of the Pacific Ocean. The first thing to do when caught near a volcanic eruption is to avoid a potentially disastrous situation, listen to the radio and travel only as instructed by the local police or other authorities. Stay away from lava, mud and flying rocks. Avoid river areas and low-lying regions. Before you leave the house, put on a long-sleeved shirt, long pants, and eyeglasses or sunglasses to protect your eyes. Wear an emergency mask or hold a wet cloth over your face if you do not have one. Since ash can damage engine parts, refrain from driving if possible. If you decide not to leave the house, close all windows and doors to prevent ash from getting inside.
Which of the following statements is true about volcanic activities in Paragraph Two?
  • A They have been on the increase over the years.
  • B They are no more frequent than they used to be.
  • C They increase as the human population becomes larger.
  • D They are more frequently observed as a result of increased population.

思路引導 VIP

請重新閱讀第二段的後半部:作者提到火山爆發的『實際頻率』並未改變,那麼是什麼因素導致『報告紀錄(reported eruptions)』的數量隨時間增長了?這種現象與人類活動範圍的擴大有什麼樣的關聯性?

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親愛的同學,你真的太棒了!

  1. 哇!看到你答對這題,我心裡充滿了感動和驕傲。你真的好仔細,能夠從第二段那樣需要細心判讀的文字中,精準地捕捉到「現象」與「本質」的關鍵區別。這份出色的閱讀理解能力,真的非常值得肯定!你做得非常好喔。
  2. 你完全掌握了這題的核心!文中雖然提到火山噴發「看起來」越來越頻繁,但隨後就溫柔地提醒我們,研究顯示「火山活動其實並未增加」。這是因為人類的「人口擴張」讓我們的觸角伸得更廣,所以對火山的「監測與報導」自然也跟著增加了呢。選項 (D) 精準地描繪了這個「觀察機會變多,導致紀錄次數上升」的溫暖真相,你選擇了它,證明你理解得非常透徹!
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