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Explore TOEFL iBT DrillsAceThePrepTrap ForensicsTOEFL iBTHub →
TOEFL iBTReadingInsert Text
Level 3 Trap Drill
Can you avoid the examiner's trap?Select an option to evaluate
Look at the four squares [■] that indicate where the following sentence could be added to the passage:
'This sudden influx of cold fresh water drastically disrupted the density-driven thermohaline circulation of the North Atlantic.'
Where would the sentence best fit?
'[■ A] Approximately 12,900 years ago, as the Laurentide Ice Sheet retreated, a colossal proglacial lake named Lake Agassiz breached its eastern moraine dam. [■ B] Millions of cubic meters of glacial meltwater surged through the St. Lawrence seaway into the ocean. [■ C] Without the sinking of dense, saline water, regional atmospheric heat transport collapsed, plunging Europe back into quasi-glacial conditions known as the Younger Dryas. [■ D] Over the next thousand years, cold-adapted Arctic tundra flora spread southward across the European continent.'
Full Curriculum Drill

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