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Practice Reading: Re-order Paragraphs ID: #30043 Hair 2
Instructions ›
The text boxes in the left panel have been placed in a random order. Restore the original order by dragging the text boxes from the left panel to the right panel.
* Move & order all paragraphs in the right field

Paragraph list

Hair consists of two main parts — the cortex, which is made up of parallel fibrils, and the matrix, which has an amorphous (random) structure.
The combination of these two components, Yu explained, is what gives hair the ability to withstand high stress and strain.
This structural change allows hair to handle a large amount of deformation without breaking.
And as hair is stretched, its structure changes in a particular way.
The matrix is sensitive to the speed at which hair is deformed, while the cortex is not.

Your order

Result:

AI explanationShows the answer. Tap to open.

First sentence: Why this is the first line? This paragraph is the first line because it introduces the main topic of hair and its parts. It gives a broad overview of what hair is made of, which is important for understanding the rest of the text. It does not use any words that need prior context. Why other lines are not chosen? Paragraph 2 starts with "The matrix" which uses a definite article and refers back to the matrix mentioned in Paragraph 1, so it is not independent. Paragraph 3 starts with "The combination" which also uses a definite article and refers back to the components mentioned before. Paragraph 4 starts with "And as hair" which is a conjunction and does not stand alone. Paragraph 5 starts with "This structural change" which uses a pronoun that refers back to the change mentioned in previous sentences.

Concluding sentence: Why this is the last line? This paragraph is the last line because it summarizes the main idea of how hair can withstand stress. It wraps up the discussion by showing the result of the structural changes in hair.

Paragraph pairs:

  • Pair 1 (Paragraph 1 → Paragraph 2): Paragraph 2 connects to Paragraph 1 because it talks about the matrix, one of the two parts mentioned in Paragraph 1. This shows a logical order where the details about the matrix follow the introduction of the parts of hair.
  • Pair 2 (Paragraph 2 → Paragraph 3): Paragraph 3 connects to Paragraph 2 because it explains the importance of the matrix and cortex together. It shows how these two parts work together to give hair strength, which is a logical continuation of the discussion.
  • Pair 3 (Paragraph 3 → Paragraph 4): Paragraph 4 connects to Paragraph 3 because it describes what happens when hair is under stress. It logically follows the explanation of how the components help hair withstand stress.
  • Pair 4 (Paragraph 4 → Paragraph 5): Paragraph 5 connects to Paragraph 4 because it explains the result of the structural change mentioned in Paragraph 4. It shows the effect of the stretching on hair, which is a clear cause and effect relationship.

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