SAT Reading and Writing Practice Question #343 (Hard (800)) | Test Citadel
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SAT Reading and Writing Difficulty: Hard (800)

Digital SAT Reading and Writing Practice Question #343

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

For decades, cosmologists believed that the gravitational pull of matter would eventually slow down the expansion of the universe. However, observations made in the late 1990s studying distant supernovae shattered this consensus. Among the most significant discoveries of the late twentieth century, completely upending established paradigms in theoretical physics, _______ the startling realization that the expansion of the universe is not slowing down, but rather accelerating, driven by an unknown force now termed dark energy. Which choice completes the text so that it conforms to the conventions of Standard English?
Select Your Answer:
Socratic AI Engine Step-by-Step Derivation
0ms Precomputed
Tactical Insight (Hint 1)

Read the sentences immediately before and after the blank. Determine the logical relationship: is it Cause/Effect (thus, consequently), Contrast (however, yet), or Addition (moreover)?

Elimination Framework (Hint 2)

Elimination Strategy: In digital reading/writing, 3 out of 4 choices contain an active flaw (half-right/half-wrong, too extreme, or wrong transition type). Cross out options with absolute words like "always", "proves", or "never".

Masterclass Solution & Distractor Trap Analysis

This is one of the most notoriously tricky grammar concepts on the SAT: Subject-Verb Agreement with an Inverted Syntax. Let's break it down step-by-step so you never miss this trap again. Look at the sentence structure: "Among the most sign...

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

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