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Difficulty: EasySentence Addition and Deletion Decisions

A student is writing an essay about the invention of the Post-it Note.

[1] In 1968, Spencer Silver, a chemist at 3M, was attempting to develop a super-strong adhesive for the aerospace industry. [2] Instead, he accidentally created a 'low-tack' adhesive that could be easily peeled off surfaces without leaving any residue. [3] Years later, his co-worker Art Fry realized this weak adhesive could be used to keep bookmarks from falling out of his hymnal. [4] This simple concept led to the creation of the Post-it Note, which is now a staple in offices worldwide.

The writer is considering adding the following sentence after Sentence 2:

'Super-strong adhesives are also used in construction to bond heavy building materials together.'

Should the writer make this addition?

  1. A
    Yes, because it provides detailed examples of the aerospace applications mentioned in Sentence 1.
  2. B
    Yes, because it explains the commercial success of strong adhesives compared to weak ones.
  3. C
    No, because it contradicts the statement in Sentence 1 that Silver was attempting to create a strong adhesive.
  4. No, because it interrupts the narrative flow by introducing an irrelevant detail about the construction industry.Answer

Answer

No, because it interrupts the narrative flow by introducing an irrelevant detail about the construction industry.
The proposed sentence should not be added because it introduces details about the construction industry that are irrelevant to the paragraph's primary focus on the invention and development of the Post-it Note.

Step-by-Step Solution

1
Analyze the main focus of the paragraph.
The paragraph describes the accidental invention and development of the Post-it Note from a weak adhesive.
Before deciding whether to add information, you must establish the topic and scope of the passage.
2
Evaluate the relevance of the proposed sentence.
The proposed sentence discusses how super-strong adhesives are used in construction, which is unrelated to the creation of the weak-adhesive Post-it Note.
Determining if the sentence supports the main topic helps decide whether it should be added or not.
3
Select the option that correctly identifies that the sentence should not be added and provides a valid logical justification.
The correct option states that the sentence should not be added because it introduces an irrelevant detail about construction.
This matches the rhetorical goal of keeping the passage focused and cohesive.

Key Concept

Evaluating sentence relevance for addition or deletion decisions based on passage focus.
Estimated Time:1m 0s
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Topics

Sentence Addition and Deletion Decisions

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