Passage 1: The History of Lighthouses and Their Keepers
ALong before the invention of the tower as we now picture it, sailors navigating rocky coastlines depended on ordinary fires lit on hilltops or cliff edges to warn them away from danger. The earliest structure purpose-built for this task is usually credited to the Pharos of Alexandria, raised on the orders of Ptolemy II in the third century BC. Standing over one hundred metres high, with a mirror system said to reflect sunlight by day and a fire by night, it was later listed among the Seven Wonders of the Ancient World. However, isolated coastal fires predate the Pharos by centuries, and Alexandria's achievement lay in engineering scale rather than in the underlying idea. Contemporary accounts describe the Pharos surviving several earthquakes over the centuries before a final collapse in the fourteenth century, after which its remaining stone was reused in a nearby fortress.
BFor more than a thousand years after Alexandria's example, most coastal warning fires remained crude affairs, burning coal or wood in open braziers exposed to wind and rain, which made them unreliable in the very conditions sailors most needed them. It was only from the sixteenth century onward that European harbour authorities began building permanent stone towers with enclosed lanterns, replacing open flames with oil lamps set behind glass. Even so, the light produced by a single flame, however well sheltered, could be seen only a few kilometres out to sea, leaving vessels approaching from a distance with little advance warning of the coastline ahead. Sailors of the period often relied as much on local knowledge of currents and landmarks as on any fixed light, a combination that left navigation along poorly charted coasts a matter of considerable trust.
CThe single greatest advance in the technology came in 1822, when the French physicist Augustin Fresnel introduced a lens built from concentric rings of glass prisms rather than a single curved surface. By bending scattered light from a comparatively small flame into a narrow, powerful beam, the Fresnel lens allowed a modest lamp to be seen from thirty kilometres or more, a range no earlier design could approach. Within decades, the new lens had been adopted along coastlines worldwide, and it remains, in modified form, the optical principle behind many lighthouses that are still in service today. Fresnel's design also proved cheaper to manufacture at scale than the mirror arrangements it replaced, which further hastened its adoption by cash-strapped maritime authorities across Europe and beyond.
DThe improved range of the Fresnel lens did nothing to lighten the daily workload of the keeper, who typically lived on site with his family in cramped quarters attached to the tower. Each evening the lamp had to be lit and its wick trimmed to keep the flame steady; through the night, keepers took turns watching for ships in difficulty and recording weather conditions in a logbook. By morning, the lens itself required careful cleaning, since even a thin layer of salt residue on the glass could noticeably dim the beam. On remote rocks far from shore, supply boats might be unable to land for weeks at a time, so keepers also learned to be self-sufficient in nearly every practical skill. Many stations rotated two or three keepers on staggered shifts so that the light was never left unattended, and children raised on isolated rocks were sometimes taught by post rather than in a classroom.
EIsolation was only one of the hazards keepers faced; storms severe enough to sweep away outbuildings, and in a small number of documented cases the keepers themselves, were an accepted risk of the posting. Yet the lights they tended prevented immeasurably more harm than they suffered: coastal charts from the nineteenth century show shipwreck sites clustering thickly around headlands before a lighthouse was built there, and thinning out sharply once one began operating. Insurance records from major shipping companies of the period frequently cite the construction of a new light as the direct cause of a measurable drop in claims along that stretch of coast. Some governments went further, offering keepers a small bonus for every season completed without a reportable incident, an incentive that reflected just how highly the service was valued.
FThe profession that Fresnel's invention had made possible did not survive the century that followed it. Electric lamps, introduced from the 1880s, reduced the daily maintenance a light required, and by the second half of the twentieth century, automated systems capable of self-monitoring and remote reporting had made a resident keeper largely unnecessary. The last staffed lighthouse in the United States was automated in 1998, and most maritime nations completed the same transition within a decade either side of that date. Many towers now stand unstaffed but preserved, their keepers' cottages converted into small museums or holiday lets, sustaining an interest in the profession that the buildings themselves no longer require. A handful of nations have kept a token staffed light for ceremonial or training purposes, but these exceptions do little to alter the overall picture of a vanished profession.
- brazier:
- an open metal container used for burning coal or wood to produce fire or light
- headland:
- a narrow strip of land that projects out from a coastline into the sea
أسئلة النص 1
Do the following statements agree with the information given in Reading Passage 1? Write TRUE if the statement agrees with the information, FALSE if the statement contradicts the information, NOT GIVEN if there is no information on this.
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1The Pharos of Alexandria used its mirror system specifically to warn ships of storms approaching from the north.
TRUE / FALSE / NOT GIVEN
اعرض الإجابة
NOT GIVEN
"'with a mirror system said to reflect sunlight by day and a fire by night' (Paragraph A)"
ليش صحيح: النص يذكر المرآة لكنه لا يذكر أبدًا غرضًا محددًا بتحذير من عواصف شمالية.
ليش الباقي خطأ: ليست TRUE لعدم التأكيد، وليست FALSE لعدم وجود تناقض صريح.
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2European harbour authorities began erecting permanent stone towers within a hundred years of the Pharos's construction.
TRUE / FALSE / NOT GIVEN
اعرض الإجابة
FALSE
"'For more than a thousand years after Alexandria's example... It was only from the sixteenth century onward...' (Paragraph B)"
ليش صحيح: النص يذكر أكثر من ألف سنة لا مئة سنة.. تناقض مباشر.
ليش الباقي خطأ: ليست TRUE بسبب التناقض الصريح، وليست NOT GIVEN لأن المدة مذكورة بوضوح.
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3The Fresnel lens increased the distance from which a lighthouse's beam could be seen.
TRUE / FALSE / NOT GIVEN
اعرض الإجابة
TRUE
"'the Fresnel lens allowed a modest lamp to be seen from thirty kilometres or more, a range no earlier design could approach' (Paragraph C)"
ليش صحيح: إعادة صياغة مباشرة لحقيقة مؤكدة في النص.
ليش الباقي خطأ: ليست FALSE لعدم وجود تناقض، وليست NOT GIVEN لأن الحقيقة مذكورة صراحة.
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4Keepers were required to complete formal training in lens cleaning before taking up a posting.
TRUE / FALSE / NOT GIVEN
اعرض الإجابة
NOT GIVEN
"'By morning, the lens itself required careful cleaning' (Paragraph D)"
ليش صحيح: التنظيف مذكور كواجب يومي، لكن التدريب الرسمي المسبق غير مذكور إطلاقًا.
ليش الباقي خطأ: ليست TRUE لعدم ذكر التدريب، وليست FALSE لعدم وجود نفي صريح له.
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5Historical shipwreck records show fewer wrecks near headlands once a lighthouse began operating there.
TRUE / FALSE / NOT GIVEN
اعرض الإجابة
TRUE
"'shipwreck sites clustering thickly around headlands before a lighthouse was built there, and thinning out sharply once one began operating' (Paragraph E)"
ليش صحيح: إعادة صياغة مباشرة لحقيقة مؤكدة في النص.
ليش الباقي خطأ: ليست FALSE لعدم وجود تناقض، وليست NOT GIVEN لأن الحقيقة مذكورة صراحة.
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6The last staffed lighthouse in the United States was automated during the nineteenth century.
TRUE / FALSE / NOT GIVEN
اعرض الإجابة
FALSE
"'The last staffed lighthouse in the United States was automated in 1998' (Paragraph F)"
ليش صحيح: 1998 يقع في القرن العشرين لا التاسع عشر.. تناقض مباشر في التاريخ.
ليش الباقي خطأ: ليست TRUE بسبب التناقض الصريح، وليست NOT GIVEN لأن التاريخ مذكور بوضوح.
Complete the notes below. Choose ONE WORD ONLY from the passage for each answer.
Ancient method: fires on headlands, later formalised in the Pharos, built for Ptolemy II
16th century: stone towers with enclosed lanterns, using (7) ________ lamps behind glass
1822: Fresnel designs a lens made of glass (8) ________
Result: beam visible from up to (9) ________ kilometres away
Keepers' duties: trimming the wick, cleaning (10) ________ residue off the lens, recording weather in a (11) ________
Risk factor: severe (12) ________ could destroy outbuildings and endanger keepers
1880s onward: electric lamps reduce the need for daily (13) ________
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7Question 7
اعرض الإجابة
oil
"'replacing open flames with oil lamps set behind glass' (Paragraph B)"
ليش صحيح: الكلمة مأخوذة حرفيًا من النص.
ليش الباقي خطأ: أي كلمة أخرى غير مذكورة في هذا السياق التاريخي وتخالف النص.
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8Question 8
اعرض الإجابة
prisms
"'a lens built from concentric rings of glass prisms' (Paragraph C)"
ليش صحيح: الكلمة الدقيقة لوصف تركيب عدسة فرينل.
ليش الباقي خطأ: كلمات بديلة لا تحمل نفس الدقة العلمية المطلوبة.
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9Question 9
اعرض الإجابة
thirty / 30
"'seen from thirty kilometres or more' (Paragraph C)"
ليش صحيح: الرقم مأخوذ حرفيًا من النص.
ليش الباقي خطأ: أي رقم آخر غير مذكور ويناقض الحقيقة.
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10Question 10
اعرض الإجابة
salt
"'even a thin layer of salt residue on the glass' (Paragraph D)"
ليش صحيح: الكلمة الدقيقة لنوع الرواسب المذكورة.
ليش الباقي خطأ: كلمات أخرى غير مذكورة في هذا السياق.
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11Question 11
اعرض الإجابة
logbook
"'recording weather conditions in a logbook' (Paragraph D)"
ليش صحيح: الكلمة الدقيقة لأداة التسجيل المذكورة.
ليش الباقي خطأ: كلمات مشابهة بالمعنى لكنها غير مستخدمة حرفيًا في النص.
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12Question 12
اعرض الإجابة
storms
"'storms severe enough to sweep away outbuildings' (Paragraph E)"
ليش صحيح: الكلمة الدقيقة لعامل الخطر المذكور.
ليش الباقي خطأ: كلمات أخرى غير مذكورة صراحة في هذا الموضع.
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13Question 13
اعرض الإجابة
maintenance
"'reduced the daily maintenance a light required' (Paragraph F)"
ليش صحيح: الكلمة الدقيقة المستخدمة حرفيًا في النص.
ليش الباقي خطأ: كلمات أخرى مشابهة بالمعنى ليست الكلمة الحرفية في النص.