ACT English Practice Question #1337 (Hard (33)) | Test Citadel
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ACT English Difficulty: Hard (33)

Digital ACT English Practice Question #1337

Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.

[1] In 1911, physicist Ernest Rutherford conducted his famous gold foil experiment. [2] He fired alpha particles at an extremely thin sheet of gold foil. [3] Most particles passed straight through, but a tiny fraction deflected at sharp angles. [4] Rutherford later remarked that this result was as astounding as firing a shell at tissue paper and having it bounce back. Where should the following sentence be added to this paragraph? 'According to the prevailing plum pudding model of the time, all particles were predicted to pass directly through without deviation.'
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Look for transition cues: the word 'predicted' belongs directly before the experimental observation of what actually occurred ('Most passed... but...').

Masterclass Solution & Distractor Trap Analysis

Sentence 2 establishes the physical setup (firing particles). The new sentence states what was EXPECTED to happen (all particles passing straight through according to theory). Sentence 3 then reveals what ACTUALLY happened ('Most passed... ...

Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...

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