IELTS Reading 練習問題 — Set 6

A Public drinking fountains were once prominent features of railway stations, parks and civic squares. Many were installed during nineteenth-century campaigns that linked clean water with public health and social reform. Their decline came gradually. Bottled drinks became cheap, indoor plumbing spread, and municipalities grew wary of maintenance and contamination. By the end of the twentieth century, a fountain was often treated as an obsolete fixture rather than essential infrastructure. Climate pressure and concern about plastic waste have now revived interest, but the new generation of fountains is being asked to solve problems more complex than thirst alone.

B The simplest argument for fountains is environmental. Refillable bottles can displace thousands of single-use containers, reducing production and transport as well as litter. Yet the calculation depends on use. A stainless-steel station that is manufactured, installed and cleaned but rarely visited may save little. Location therefore matters more than a citywide total. Researchers map pedestrian movement, heat exposure and the distance between existing supplies, then compare those patterns with places where discarded bottles accumulate. The aim is a network that people encounter at the moment water is needed.

C Trust is as important as physical availability. Surveys repeatedly find that some pedestrians avoid fountains because they doubt water quality or dislike touching a shared button. Modern designs use bottle-filling spouts, sensor activation and downward-facing nozzles that cannot easily be placed in the mouth. Displays may show when filters were changed or connect users to municipal test results. Such features can reassure, although they also introduce electronics and filters that require specialist repair. A visibly broken high-tech unit may damage confidence more than a plain tap.

D Cold climates present an engineering problem. Pipes near the surface can freeze, while draining an entire network each winter removes service for months. Frost-resistant models place valves below the depth at which soil freezes and empty the exposed pipe after each use. They cost more and are harder to repair. In very hot regions, the opposite problem arises: water standing in pipes may become unpleasantly warm. Shade, insulation and regular flushing help, but flushing consumes the resource that the fountain is meant to provide efficiently.

E Accessibility has broadened beyond placing a low spout beside a high one. A person using a wheelchair needs knee space and a control that can be operated with limited strength. Children may not understand an unlabelled sensor; people with low vision need contrast; dog owners often improvise with bowls, creating hygiene concerns. Some installations now combine bottle fillers, accessible drinking points and a ground-level animal basin with separate drainage. Serving more users increases social value, but every additional component expands the maintenance burden.

F Responsibility is frequently fragmented. A transport authority may own the pavement, a water company supplies the pipe, a contractor cleans the unit and a public-health department tests the water. When a fault is reported, each organisation can believe another is responsible. Successful programmes publish a service standard, attach a unique code to each fountain and route reports to a single coordinator. The unglamorous work of inspection and rapid repair determines whether a network remains trusted after the launch photographs have faded.

G Critics sometimes argue that fountains distract from the deeper duty to provide safe household water. This is a serious concern where residents face unreliable pipes or high bills. Advocates respond that public fountains should supplement, never substitute for, universal domestic provision. They can serve travellers, outdoor workers and people without secure accommodation while also making a public resource visible. The strongest programmes therefore connect street installations with broader policies on affordability and water quality instead of presenting a row of new objects as a complete solution.

H Data from fountain sensors can guide maintenance by showing unusual drops in use or continuous flow that suggests a leak. However, usage monitoring raises questions about proportionality when devices record precise times and locations. Aggregate counts are normally sufficient for planning; identifying individual bottles or phones is not. A programme intended to make water public can undermine that purpose if access becomes another occasion for unnecessary tracking.

I The fountain’s return illustrates a wider principle of infrastructure. A familiar object can acquire new purposes—heat adaptation, waste reduction, inclusion and civic reassurance—but those purposes are realised only through sustained operation. Counting installations is easier than measuring whether different groups use them year after year. The appropriate measure of success is not how many units a mayor unveils, but whether reliable water becomes an ordinary and trusted part of moving through the city.

A Experimental archaeology attempts to understand past technologies by making, using or breaking objects under controlled conditions. A researcher may shape a stone axe, fire a clay pot or build a section of wall with tools available in the period being studied. Popular accounts sometimes describe the method as “bringing the past to life”. Practitioners are more cautious. An experiment creates a modern event constrained by selected evidence; it does not reproduce the intentions, skills or social setting of people who lived centuries ago.

B The method became influential when archaeologists grew dissatisfied with classifications based only on appearance. Two tools may look alike yet have been produced by different sequences of blows. By learning to knap stone, researchers identified flakes and scars that reveal manufacturing decisions. Their first attempts, however, are poor models for expert prehistoric work. Skill changes the amount of waste, the time required and the probability of failure. Serious projects record the experimenter’s experience and often repeat trials as competence develops.

C Replicas pose another problem. Stone and timber can vary within the same species, while modern metal may contain fewer impurities than ancient material. Researchers must decide which properties matter to the question. If an experiment tests the cutting life of a bronze blade, alloy composition is crucial; if it investigates how a handle changes grip, an approximate blade may be sufficient. No replica is identical to an archaeological object, so transparency about substitution is more valuable than a vague claim of authenticity.

D Some experiments test feasibility. Could a heavy block have been moved by a small group using rollers? Could wet grain have been dried in a reconstructed kiln? A successful trial demonstrates one possible method, not the method historically used. Failure is equally ambiguous. The chosen rope may have been weak, the team inexperienced or the weather unsuitable. Negative results become informative only when alternative explanations are systematically reduced.

E Wear analysis provides a particularly productive connection between experiment and excavation. Researchers use replica tools on hide, wood, cereals or bone, then examine edges microscopically. Repeated contact leaves polish, rounding and scratches whose patterns can be compared with ancient specimens. Interpretation remains probabilistic because different activities may produce overlapping traces and soil can alter a buried edge. Large reference collections improve confidence by documenting variation rather than searching for one perfect match.

F Long-term experiments examine processes that cannot be compressed easily. Reconstructed houses are left through multiple seasons to observe leakage, decay and repair. Fields are cultivated for years to study how repeated practices affect soil. Such projects generate valuable evidence but are vulnerable to institutional change: funding ends, staff move and records become inconsistent. The most durable experiments plan archiving and handover from the start, treating documentation as part of the apparatus rather than an administrative afterthought.

G Public participation can add labour and expose hidden assumptions. Volunteers may discover that an instruction described as simple is hard to follow or that a tool works differently for people of different strength. At open-air museums, visitors also gain a physical sense of effort and sequence. Yet demonstration and research have different incentives. A dramatic reconstruction scheduled for an audience may continue despite unsuitable conditions, whereas a valid experiment should be paused. Projects need to state clearly when an activity is evidence gathering and when it is interpretation for visitors.

H Replication strengthens an experimental claim only when the repeated trial is genuinely comparable. A second team may follow the written protocol yet hold a tool at a different angle or select raw material from another source. Video, measurements and discarded pieces help expose such variation. Instead of treating disagreement as embarrassment, researchers can use it to identify which apparently minor actions control the result and which details are unimportant.

I Experimental archaeology is strongest when it narrows claims instead of producing picturesque certainty. It can eliminate an impossible explanation, estimate resources, identify diagnostic traces and reveal variables overlooked in a laboratory. It cannot show that people chose a method merely because modern researchers made it work. Its contribution is a disciplined conversation between objects and action: excavation limits the plausible experiment, and experiment returns new questions to the archaeological record.

A Economic accounts often assume that people choose the option they value most after comparing benefits and costs. Everyday behaviour suggests that the arrangement of options helps create those preferences. Food placed at eye level is selected more often; a form with a pre-ticked box receives more agreement; a journey shown first by an app becomes the route many travellers take. None of these arrangements removes choice. They alter the small amounts of effort, attention and uncertainty attached to each possibility.

B Researchers use the term friction for features that make an action harder, from an extra click to a requirement to locate a document. Friction is not inherently bad. A pause before transferring a large sum can prevent error, and identity checks protect private information. The relevant question is whether the effort serves the user’s goal or merely benefits the organisation by discouraging action. Cancelling a subscription through five screens while joining takes one is a deliberately asymmetric design.

C Defaults are powerful because accepting them requires no additional step and can feel like an implied recommendation. Automatic enrolment has increased participation in retirement saving and organ-donor registers in some settings. Effects vary, however, with law, trust and the ease of opting out. A default may also conceal a decision from someone who never notices it. The ethical case is strongest when the default advances a widely shared goal, alternatives remain clear and changing the selection is genuinely simple.

D Convenience can reshape markets cumulatively. A platform that remembers payment details reduces the effort of returning, so repeated purchases generate more data, which then improves recommendations and makes return still easier. Competitors may offer lower prices yet struggle because users would need to recreate lists, ratings or social connections. This is not absolute captivity; people can leave. But individually minor conveniences combine into switching costs that are real even when no contractual barrier exists.

E Time pressure magnifies such effects. When attention is scarce, people rely more on the first acceptable option, familiar brands and signals from others. Firms know this and place profitable add-ons late in a booking process, after customers have invested effort and fear starting again. Disclosure alone may not protect users if important terms appear at the moment they are least able to compare them. Effective regulation considers sequence and timing, not just whether information was technically present.

F Public policy also uses convenience. Tax authorities pre-fill forms; clinics send appointment reminders; transit agencies integrate fares across services. These measures can increase access without changing eligibility. Yet a digital shortcut may create a new obstacle for someone without a smartphone, stable address or confidence in the official language. Designers should therefore measure who completes a process, who abandons it and who never begins, rather than reporting only average time saved among successful users.

G There is a danger in interpreting every choice as manipulation. People genuinely value saved effort, and a well-designed default can free attention for more important decisions. Moreover, removing all cues is impossible: options must appear in some order and interfaces must begin in some state. Neutral design is therefore an aspiration rather than a physical arrangement. Accountability depends on explaining objectives, testing outcomes across groups and allowing arrangements to be challenged.

H Habits add a temporal dimension. Once a convenient path has been repeated, environmental cues can trigger it with little conscious comparison. Changing the interface may therefore have delayed effects: experienced users continue an old sequence while newcomers follow the new one. Short experiments can overstate or understate impact depending on whom they observe. Longitudinal evidence is needed when policy aims to change routines rather than produce a single click.

I Convenience is best understood as part of the price of an option, though it is paid in attention and effort rather than money. Because that price is often invisible, it escapes scrutiny. Making it visible does not require forcing people to deliberate over every minor act. It requires recognising that the easiest path has distributive effects: it directs resources, rewards particular providers and determines which rights can be exercised in practice.