Set 9: Transitions
Explanation
PASSAGE
Electric vehicles produce zero direct emissions during operation, making them appear environmentally superior to gasoline-powered cars. _______ the manufacturing of EV batteries requires significant mining of lithium and cobalt, processes that can cause substantial environmental damage.
Which choice completes the text with the most logical transition?
Detailed Answer Explanation
This question asks you to choose the transition that best connects two ideas. Zero emissions (positive) vs. environmental damage from mining (negative). 'However' signals this contrast between the apparent benefit and hidden drawback. Transitions signal the relationship between sentences or paragraphs. Determine the logical relationship (addition, contrast, cause-effect, example) and select the transition that accurately expresses it. The right transition makes the relationship between ideas crystal clear. Consider what logical connection exists: Is the second idea adding to the first? Contrasting it? Showing a result? The transition should accurately reflect this relationship.
Key Evidence:
• "appear environmentally superior"
• "substantial environmental damage"
Why others are wrong: D (Cause/effect - mining damage is not a result of zero emissions.), A (Comparison - but mining damage contrasts with, not resembles, zero emissions.), C (Emphasis - 'In fact' would amplify, not contrast, the point.).
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