Multiple-choice Choose Single Answer – Read the text and answer the multiple-choice question by selecting the correct response. This item type assesses reading skills. It requires test takers to read, analyze, understand and assess a short text on an academic subject and choose a single correct response.
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PTE Practice – Multiple-choice Choose Single Answer
1. Read the passage and answer the following question.
Stars create energy through the process of fusion. When a star explodes—a phenomenon called a supernova—so much energy is released that heavy metals such as iron and gold are formed, seeding surrounding hydrogen clouds. Newer stars therefore contain more heavy elements in their atmospheres. Heavy elements form the materials that make up our planet (and even human bodies). It is believed that for a system of planets such as our solar system to form around a star during cloud contraction, the presence of these heavy elements in the cloud is a necessity.
A molecular cloud can become unstable and collapse by the force of gravity, overcoming outward thermal pressure of the constituent gases. At a given temperature and density, two critical measures of size, Jeans mass and Jeans length, can be calculated. If the size of the cloud exceeds either of these critical values, gravity will ultimately win, and the probability of eventual cloud contraction is high. However, some outside influence is still evidently required for a theoretically unstable cloud to initiate collapse.
The natural rotation of a galaxy can slowly alter the structure of a cloud, for instance. Surrounding supernovae can generate shock-waves powerful enough to affect the debris in other clouds, forcing the debris inward and possibly causing contraction to begin. One theory states that density waves propagating through spiral structures can also sufficiently stimulate clouds to cause contraction.
Ques 1. Which of the following inferences about our solar system is best supported by the passage?
[A]. Life in the solar system depends on energy from the sun.
[B]. When the system reaches a particular size, it can become unstable and begin to collapse.
[C]. The natural rotation of the galaxy can alter the galaxy’s structure.
[D]. It is believed to have been formed from materials “seeded” into hydrogen clouds.
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2. Read the passage and answer the following question.
By 1784, Wolfgang Amadeus Mozart was internationally renowned as the composer of The Marriage of Figaro, and consequently received a commission from the Prague Opera House to compose another opera.
The resulting product was Don Giovanni, which tells the tale of a criminal and seducer who nevertheless evokes sympathy from audiences, and whose behavior fluctuates from moral crisis to hilarious escapade.
While Don Giovanni is widely considered to be Mozart’s greatest achievement, eighteenth century audiences in Vienna — Mozart’s own city — were ambivalent at best. The opera mixed traditions of moralism with those of comedy — a practice heretofore unknown among the composer’s works — creating a production that was not well liked by conservative Viennese audiences. Meanwhile, however, Don Giovanni was performed to much acclaim throughout Europe.
Ques 2. The primary purpose of the passage is to
[A]. relate the story of a somewhat likable antihero.
[B]. discuss how a work of art has been met by diverging responses.
[C]. give a history of the work of Mozart.
[D]. make a case for the renown of Don Giovanni.
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Thanks for the post. However, it would be better if you could give clarification of the answer you feel is correct besides each answers. It will be easier for us to understand.
Thanks, Dipesh for the suggestion. We will soon add the explanations
I think it is D, Most of the paragraph talking about Don Giovanni
Could you please clarify the part that supports B
The first two lines gives background information about Don Giovanni, while the rest of lines tells that people in Mozart’s own hometown were less enthusiastic about it. Choice (B) matches this — the passages discusses how a work of art (the opera) has been met by diverging (different, diverse) responses, specifically those of Viennese audiences versus those of everyone else.