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When the great influenza pandemic of 1918-1919 struck,

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When the great influenza pandemic of 1918-1919 struck, [#permalink] New post 17 Nov 2015, 03:13
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When the great influenza pandemic of 1918-1919 struck, an estimated 675,000 Americans died. That was ten times the number of Americans who died in World War I, which was then coming to an end in Europe. Sometimes called the Spanish flu, this influenza, which initially seemed as benign as a common cold, would ultimately take between 20 million and 40 million lives worldwide, killing more people than the bubonic plague had killed from 1347 to 1351. The U.S. Centers for Disease Control and Prevention (CDC) estimates that nearly one-third of the world's population was infected with the influenza virus, which was surprisingly virulent among the young and fit. Today, live samples of the 1918 virus and evolving RNA science give researchers a good picture of the structure of this flu strain, yet both the origin and cause of this particular catastrophic plague episode remain a mystery. The CDC's interpretation of the data is chilling; until the root causes of the 1918-1919 pandemic are understood thoroughly, "analogous conditions could lead to an equally devastating pandemic."

Which of the following CANNOT be inferred from the passage?

1)Scientists were somehow able to recover a live sample of the 1918 virus.

2)International borders and even oceans were inadequate barriers to the spread of the 1918 flu.

3)World War I led to the 1918–1919 flu pandemic.

4)Scientists are making an effort to unravel the causes of the 1918 flu epidemic.

5)Flu viruses normally strike less commonly among the young and fit.

Addeed OA
[Reveal] Spoiler: OA

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Re: When the great influenza pandemic of 1918-1919 struck, [#permalink] New post 20 Nov 2015, 03:04
option 3
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Re: When the great influenza pandemic of 1918-1919 struck, [#permalink] New post 20 Nov 2015, 06:15
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Please provide your explanation. This is not only useful to create a discussion per se, but also to help other students.

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Re: When the great influenza pandemic of 1918-1919 struck, [#permalink] New post 21 Nov 2015, 10:56
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The answer is choice 3 because just by reading the story we know choice 1 is incorrect because its mentioned in the passage. Choice 2 is wrong because the passage said live samples were collected by scientists, also 4 and 5 are wrong. Hence the reasonable answer is number 3 or choice 3
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Re: When the great influenza pandemic of 1918-1919 struck, [#permalink] New post 05 May 2016, 05:40
what about the answer choice 5......... it is seems opposite
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Re: When the great influenza pandemic of 1918-1919 struck, [#permalink] New post 05 May 2016, 11:12
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rkrajureza wrote:
what about the answer choice 5......... it seems opposite


When a question poses to you: what we can infer from the passage, that means the information in the passage must be true.

Influenza was surprisingly virulent among the young and fit. As such, option E is correct because, right , it says exactly the contrary. Therefore, we can not say this. Indeed, option E is correct.

Notice that this question is similar to those in which the prompt says: all the answer choices are correct EXCEPT. The function of CANNOT here is actually the same.

Do not hesitate to ask if something remains unclear.

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Re: When the great influenza pandemic of 1918-1919 struck, [#permalink] New post 15 May 2016, 19:16
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For inference question, all the information in the answer choice should be true.

1)Scientists were somehow able to recover a live sample of the 1918 virus. (4th sentence infers that Scientists were able to recover the virus)

2)International borders and even oceans were inadequate barriers to the spread of the 1918 flu.(Both Europe and US are infected by the virus, hence borders and oceans are inadequate barriers)

3)World War I led to the 1918–1919 flu pandemic. (No information on this): Hence the answer

4)Scientists are making an effort to unravel the causes of the 1918 flu epidemic.(The last sentence talks of the Scientists efforts)

5)Flu viruses normally strike less commonly among the young and fit. (By expressing surprise in the 4th sentence, the author implies that flu is less common among young and fit)
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Re: When the great influenza pandemic of 1918-1919 struck, [#permalink] New post 16 May 2016, 04:07
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The answer is 3, since the author does not say anything about the cause of the flue and only compares the number of dead with that of in the world war. Choice E is correct as it can be infered that the flue is not normally common between the youth but thd specific type of flue has been "surprisingly virulent among youth and fit".
Re: When the great influenza pandemic of 1918-1919 struck,   [#permalink] 16 May 2016, 04:07
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