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#1

(E) is the best answer not only through process of elimination, but because the piece is not truly a persuasive piece. The arguments presented are mainly those of others, not the author. Because this is an informative piece, any answers indicating the existence of arguments are suspect. Only in the second highlighted sentence does the author draw a conclusion or give a slight acknowledgment of people’s concerns over medical nanotechnology. (A), (B), and (C) can be passed over quickly because the first sentence is not the main idea and its contents are contradicted by the following sentence, which is directed more at the central focus. (D) can be dismissed in that the second highlighted sentence to some degree supports people’s concerns about nanotechnology and does not refute it, as the choice suggests.

#2

A careless test taker might be tripped up here because this question is reversed from the standard form. In the answer choices, there are four true statements and one false statement. It is the false one that must be found, so each of the true ones should be evaluated and confirmed in the text. Choice (A) is the early favorite for the right answer because the second sentence mentions that much of nanotechnology is biological, but not all, and nothing else in the text gives any indication that this does not apply to medical nanotechnology as well. Choice (A) is too extreme, and it is therefore the correct answer. All other choices can be confirmed within the text through explicit or easily inferred information.
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The answer by carcass is not convincing.

"The arguments presented are mainly of others, not the author."
How do we know that? "Because this is an informative piece, any answers indicating the existence of arguments are suspect." Not sure what does it mean.
"Only in the second highlighted sentence does the author draw a conclusion or give a slight acknowledgment of people’s concerns over medical nanotechnology." Is the author drawing a conclusion or giving a slight acknowledgment? - Both are very different.

Would be great if Answer E is explained in a more layman terms (dumbed version) for a person like me to understand. Thanks

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#1

(E) is the best answer not only through process of elimination, but because the piece is not truly a persuasive piece. The arguments presented are mainly those of others, not the author. Because this is an informative piece, any answers indicating the existence of arguments are suspect. Only in the second highlighted sentence does the author draw a conclusion or give a slight acknowledgment of people’s concerns over medical nanotechnology. (A), (B), and (C) can be passed over quickly because the first sentence is not the main idea and its contents are contradicted by the following sentence, which is directed more at the central focus. (D) can be dismissed in that the second highlighted sentence to some degree supports people’s concerns about nanotechnology and does not refute it, as the choice suggests.
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Can someone pls explain why E is the correct answer choice for question 1?

In the passage above, what roles do the highlighted sentences serve?

A The first sentence is the main idea, and the second sentence restates the main idea.
B The first sentence makes the central argument of the passage, and the second sentence supports the argument.
C The first sentence provides the primary argument, and the second sentence is the secondary argument.
D The first sentence is a secondary argument and the second sentence is evidence against that argument.
E The first sentence introduces the topic and the second sentence is the conclusion.

How can one decipher whether the 1st sentence is the main idea or simply an introduction? Isn't nanotechnology and its perception (1st line) the main point of the argument? Further, to which explanations are provided to counter/elaborate on that.
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