Task reminder: Highest-value Reading task. Select the best word from each dropdown. Check part of speech first, then collocation. No negative marking — always make a selection.

1. The Digital Divide

Despite the rapid — select —expansiongrowthincreasespread of internet access globally, a significant “digital divide” — select —persistscontinuesremainsexists between those who have reliable, affordable access to digital technologies and those who do not. This divide — select —mirrorsreflectscopiesmatches and often — select —reinforcesstrengthenssupportsmaintains existing socioeconomic inequalities, as those without internet access are — select —excludedpreventedblockeddenied from educational resources, job opportunities, and government services that have migrated online.

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2. Epigenetics

Epigenetics is the study of changes in gene — select —expressionactivityfunctionbehaviour that do not involve — select —alterationschangesmodificationsmutations to the underlying DNA sequence. Environmental factors — including diet, stress, and — select —exposurecontactinteractionconnection to toxins — can switch genes on or off, with effects that may — select —persistcontinueremainlast across generations. This discovery has — select —challengedquestionedtesteddisputed the long-standing view that inheritance is determined solely by DNA sequence, suggesting a more complex interaction between genes and the environment.

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3. The History of Money

Money is a social — select —technologyinventioncreationinstitution that evolved to overcome the inefficiencies of barter. Early societies used — select —commoditiesgoodsitemsobjects such as shells, salt, and grain as currency before metal coins provided a more — select —durablelastingpermanentstable and portable medium of exchange. Paper money — select —emergedappearedarosedeveloped in China during the Tang Dynasty and eventually spread worldwide, followed by electronic payment systems that have largely — select —displacedreplacedremovedshifted physical cash in many economies.

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