Set 6: Central Ideas
Explanation
PASSAGE
The following text describes an invention. The Wright brothers, Orville and Wilbur, were two American aviation pioneers generally credited with inventing, building, and flying the world's first successful motor-operated airplane. They made the first controlled, sustained flight of a powered, heavier-than-air aircraft with the *Wright Flyer* on December 17, 1903. In 1904–05, the brothers developed their flying machine into the first practical fixed-wing aircraft, the *Wright Flyer III*.
What specific achievement are the Wright brothers credited with in the text?
Detailed Explanation
This question asks you to identify the main point of the passage. Choice B is the best answer. The text credits them with 'inventing, building, and flying the world's first successful motor-operated airplane.' This matches Choice B.
Choice D is incorrect because jet engines are not mentioned.
Choice C is incorrect because trans-Atlantic flight is not mentioned.
Choice A is incorrect because helicopters are not mentioned.Consider what message the author wants to communicate overall. The correct answer will capture the essence of the whole passage. Remember that supporting details help prove the central idea but are not the main point themselves. The author's central idea should be broad enough to encompass the entire passage while still being specific enough to be meaningful. Ask yourself what the author most wants you to understand.
Key Evidence:
• "inventing... world's first successful motor-operated airplane"
Why others are wrong: D (Irrelevant - not mentioned), C (Irrelevant - not mentioned), A (Irrelevant - not mentioned).
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