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Difficulty: EasyTransitions: Contrast and Concession

For centuries, farmers in the Andes mountains cultivated hundreds of varieties of potatoes to ensure crop survival in unpredictable weather. ______ modern industrial agriculture focuses on just a few uniform varieties optimized for high yield, making potato crops far more vulnerable to disease outbreaks.

Which choice completes the passage with the most logical transition?

  1. A
    Consequently,
  2. B
    Similarly,
  3. By contrast,Answer
  4. D
    For instance,

Answer

By contrast,
The passage establishes a contrast between the historical Andean practice of growing hundreds of potato varieties and the modern industrial approach of focusing on only a few uniform varieties. The transition 'By contrast' is correct because it logically signals this relationship of opposition.

Step-by-Step Solution

1
Analyze the relationship between the two sentences in the passage.
The first sentence describes historical farming that utilized hundreds of varieties of potatoes, whereas the second sentence describes modern agriculture focusing on only a few varieties.
Understanding the connection between these sentences is necessary to choose the correct transition.
2
Identify the logical relation between diversity (hundreds of varieties) and uniformity (a few varieties).
These two concepts represent opposing approaches to agriculture, indicating a relationship of contrast.
Determining the relationship type helps narrow down the transition choice.
3
Select the transition word or phrase that signals contrast.
'By contrast' is the only option that signals contrast. 'Consequently' shows cause and effect, 'Similarly' shows similarity, and 'For instance' shows exemplification.
Only a contrast transition logically connects the two opposing agricultural strategies.

Key Concept

Transitions: Contrast and Concession
Estimated Time:45s
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Topics

Transitions: Contrast and Concession

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