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Question:

What is the purpose of the conclusion sentence?

A Present two possible explanations for the growing popularity of smart phones
explanation

The conclusion sentence states two possible paths that could explain the arrival of a growth in smart phone popularity. These two suppositions are guesses at what is causing this trend. Because the author injects minimal bias and leaves the answer to the reader’s interpretation, the author is simply presenting explanations as choice E indicates. The other choices are either irrelevant or insufficiently supported by text evidence.

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Related Questions

Which of the following is the definition for the underlined word?
At first, the woman's contractions were only intermittent, so the nurse had trouble determining how far her labor had progressed.

irregular

The word "intermittent" suggest that something occurs at imprecise intervals. "frequent" and "dependable" suggest the exact opposite of the meaning indicated in the sentence. "painful" likely reflects another element of the woman's labor, but it has nothing to do with the meaning of the word "intermittent".

Based on the blood pressure monitor above, what is this patient’s pulse rate?

73

Your heart rate, or pulse, is the number of times your heart beats per minute. It’s the number next to the PUL abbreviation on the heart rate monitor.

The main purpose of the passage is

(B) to give an overview of how leeches have been used throughout history

Answer choices A, C, and D are all mentioned in the passage, but they are part of the overall purpose, which is to give an overview of how leeches have been used throughout history.

I told my partners that it was foolhardy to get involved in such a bad plan in the first place.
Which of the following is the closest in meaning to “foolhardy” as used in the sentence above?

Reckless

We can guess from context, given that they got involved in a “bad plan,” that “foolhardy” has a negative meaning. Therefore, we can guess that it means “reckless.”
Unusual is incorrect. The sentence points out that it is a “bad plan” they got involved in. Based on this context, “unusual” is not the best answer. It makes more sense that the speaker believes the partners were “reckless” in getting involved rather than “unusual.”
Proud is incorrect. There is nothing within the context of the target sentence that suggests foolhardy means “proud.”
Creative is incorrect. The sentence points out that it is a “bad plan” they got involved in. Based on this context, “creative” is not the best answer. It makes more sense that the speaker believes the partners were “reckless” in getting involved rather than “creative.”

Which of the following is the author’s main purpose for writing this passage?

to discuss how jazz influenced important cultural movements in the 1920s

The first sentence of the passage explains that jazz “reached into many aspects of American culture.” The rest of the passage supports this idea by discussing the role of jazz in the growth of urban centers, in the movement for women’s rights, and in the Harlem Renaissance.

An individual reading a book about the first emperor of China wants to find the first reference in the book to the Terracotta Army. Where should he or she look?

The index

An index contains the page numbers in which a specific word or phrase is mentioned and discussed

Which of the following additional sentences would work best at the end of this passage if it were an advertisement for a school or college?

(D) Enroll in our school today and find out who you want to be.

Answer choice (D) is correct because it is an accurate call to action for an advertisement that a school is running. Answer choice (C) might be tempting, but it would work fine with the passage as it is now and offers nothing new that relates to an advertisement for a school or college. Answer choices (A) and (B) would be less effective than the correct answer because they are too specific and not specific enough, respectively.

Since rejoining UNESCO, one of our top priorities has been promoting literacy, with a particular focus on girls and women. To that end, quality providers of informal education have played and will continue to play a key role in decreasing the global adult illiteracy rate. We know that informal education can be more flexible and help reach adults who have long ago dropped out of the formal school system or who were systematically denied access to school. As the largest government donor to UNICEF, the United States is supporting efforts to support safe schools, and quality education for each and every girl and boy.
Which of the following is not something with which the author of the above statements would likely agree?

Formal education is better than informal education

Look for a statement that is directly contradicted by the passage. The author says that “informal education” plays a “key role.” There is nothing to indicate the author thinks it is not as good as formal education.

The phrase 'Go to the brink' in the passage means

Advancing to the stage of war but not engaging in it.

because he wanted the war to start, but she wanted to keep peace and not show that he was encouraging it.

The wind over the ocean usually does which of the following according to the given passage?
I. Leads to cool, dry air coming in proximity with the ocean surface.
II. Maintains a steady rate of heat and moisture transfer between the ocean and the air.
III. Results in frequent changes in the ocean surface temperature.

I only

The answer is A, because it says in the passage that happens. So ‘A’ is the best possible answer.

If the statements listed below are true, which of the answer choices is a logical conclusion?

Phonics is more effective at teaching people to read than whole language.

It can be concluded that phonics is more effective way to learn to read for two reasons.

What is the author’s primary purpose in writing this essay?

to inform readers about external and internal respiration

The primary purpose of the essay is to inform; its focus is on the two types of respiration. It is not persuasive or advisory. The author is not trying to prove a point.

Which of the following is a primary source?

A report of an original research experiments

When a researcher has conducted an original experiment and reports the results, findings, and associated conclusions in a research report, that report is considered a primary source. Academic textbooks, journal articles, articles in other periodicals, and authoritative databases may all be primary sources. When an academic textbook cites research by others, that citation is considered a secondary source as it refers to information originally presented by others. When a news article quotes a researchers writing, that is also a secondary source.

According to the passage, in the Dewey Decimal System, all books are categorized into

(C) one general class, one division, and one section.

This question is asking for a detail stated in the passage. The Dewey Decimal System is outlined in the first paragraph, which states that titles are arranged "into 10 classes, with 10 divisions each, with each division having 10 sections." This matches answer choice (C). Choices (A) and (B) each omit at least one part, and choice (D) would be found in the Library of Congress Classification.