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Question

Difficulty: EasySentence-Level Transitions

Read the following passage and answer the question.

Many scientists initially believed that the deep ocean floor was completely devoid of life. Consequently, the discovery of hydrothermal vents in 1977 revealed thriving ecosystems powered by chemical energy rather than sunlight.

Which of the following choices provides the most logical transition in the underlined portion of the passage?

  1. A
    NO CHANGE
  2. However,Answer
  3. C
    Furthermore,
  4. D
    Specifically,

Answer

The transition 'However,' is the correct choice because it establishes the necessary contrasting relationship between the two sentences.
The correct answer correctly uses the transition 'However' to show contrast. This fits the context because the second sentence presents a discovery (thriving ecosystems) that directly contradicts the initial belief mentioned in the first sentence (devoid of life).

Step-by-Step Solution

1
Read both sentences to identify their core ideas.
The first sentence establishes that scientists believed the deep ocean floor was lifeless, while the second sentence describes the discovery of thriving ecosystems on the deep ocean floor.
Understanding the content of both sentences is necessary to determine how they relate to one another.
2
Analyze the logical relationship between the two sentences.
The two ideas are in opposition; the second sentence contradicts the expectation established in the first sentence. This requires a transition that shows contrast.
Identifying the correct relationship (contrast) allows you to eliminate incorrect transition types (cause-effect, addition, illustration).
3
Evaluate the choices to find the transition that expresses contrast.
The transition word 'However' expresses contrast. Transitions like 'Consequently' and 'Furthermore' show cause-effect and addition, which do not fit.
Choosing the word that represents contrast restores the logical flow of the passage.

Key Concept

Sentence-Level Transitions
Estimated Time:45s
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Topics

Sentence-Level Transitions

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