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Retell Lecture PTE Practice Test Prediction Question-4

November 4, 2019 PTE MOCK TESTS, PTE PRACTICE,

Retell Lecture PTE Practice Test Prediction Question-4

Retell Lecture being a task type of Speaking Section PTE Practice Test is partially a part of the Listening section. This is because the scores of the Retell Lecture are contributed to the Listening section as well. So there is a dire need to attempt this task type carefully and attentively.

Retell Lecture PTE Practice Test Q1:

Text form of the audio: So there are two theories for how the gas giants formed. One is the same theory I showed you just now core accretion, right. And the other is called disk instability, and one of our colleagues at DTM has done a lot of work on that, and so it’s unclear exactly how they formed but you’re right what we’re trying to do the reason we’re trying to get the higher and higher pressure in the lab is because we are trying to understand more about the pressure inside the gas giants. It’s thought that the gas giants also have a metallic core, but maybe the metallic core not made of iron. Hydrogen, for example, becomes metallic at a certain pressure. So it’s very possible that the insides of these planets could have metallic cores, could have hydrogen cores, could have rocky portions we’re not sure. But the higher pressure we can get in the lab the higher the pressure we can get in the lab, the closer we can get understanding the interiors of the gas giants and the exoplanet that are so big.

Native Speaker’s Answer

Non – native Speaker’s Answer

Text form of the answer: 

There are two types of theories for the formation of giants, one is called core accretion and the second theory is called disk instability. DTM has done a lot of work and the reason for trying to get the higher pressure in the lab because they are trying to understand the pressure which is inside the gas giants. Gas giants also have a metallic core, but it’s not made of iron. For example, hydrogen becomes metallic at a certain pressure so it is possible that the insides of these planets could have metallic cores, hydrogen cores and also have rocky portions, but the interiors of the gas giants and the exoplanet that are so big.

Retell Lecture PTE Practice Test Q2:

Text form of the audio: Hello everyone. Today’s lecture is about setting up a website. I’m going to be focusing on things that you need to consider to ensure your website really adds value to the people using it.

So – there are three main areas you need to think about. The first and most important thing is who is your target audience? When you’re creating a new website you really need to think about who the users are and what

information they’ll be looking for. What we do when we set up websites is to group users based on their needs. So, for a website in the academic community, for example, we may have groups such as researchers and administrators, and this helps us design the site and add information that is relevant to each group.

The second point is accessibility. The main thing here is to ensure your website can be found. And you can do this by making sure it can be reached from areas on the web where your target audience is also active. So this may mean providing links on other websites or maybe using social media.

And thirdly – retention-making sure your target audience return to your website regularly. You do this by ensuring it gives them a reason to come back. So it’s important to keep the site up-to-date and make sure it provides the latest news and interesting information and so on.

Native Speaker’s Answer

Non – native Speaker’s Answer

Text form of the answer: There are several things that a person needs to consider to ensure while setting up a website. The first and foremost important thing is your target audience. While creating a website you need to think about what actually user wants and this helps to design the site and add relevant information. The second point is accessibility where your target audience is also active that means providing the links on other websites or social media. And finally, retention is important to keep the site up-to-date and make sure that it provides the latest news and interesting information related to everything.

Retell Lecture PTE Practice Test Q3:

Text form of the audio: Super-symmetry is a mathematical idea that people have developed an effort to understand the sharpest organizing principle for the fundamental constituents of matter. You see, we have learned that particles that seem to be different, can actually secretly be united by certain symmetry principles. So we use the fact that there are symmetric objects in the world as a sphere or basketball. You turn a sphere, and even though you’ve transformed it, it looks the same fundamentally. We found that certain particles when you transform one particle into another, even though looks like the identity of the particle has changed, overall the equations describing it they don’t change at all at an underlying level of symmetry, but we’ve not been able to do is find a symmetry that would relate certain kinds of particles, namely matter particles and force particles. Matter particles are particles like electron, muons, and corks, force particles are like photons and gluons and WZ bosons. Super-symmetry is a symmetry that actually relates to these two kinds, these two classes of particles. And people have proven that super-symmetry is the last possible symmetry of the fundamental particles that are mathematics, reality has not yet been shown to make use of it. So people are now trying to see whether that symmetry might actually be working in the world can be found evidence for it in our understanding of fundamental particles.

Native Speaker’s Answer

Non – native Speaker’s Answer

Text form of the answer: Super-symmetry is a mathematical idea in which people have to develop an effort to understand the sharpest organizing principles. There are symmetric objects in the world such as sphere and basketball. There are certain particles, when a person transforms one particle into another, even though looks like the identity of the particles has changed. Super-symmetry relates to two kinds and also have proven that this is the last possible symmetry of the fundamental particles that are mathematics but reality has not been shown to make use.

Retell Lecture PTE Practice Test Q4:

Text form of the audio: In today’s lecture, I’m going to talk about changes in air pollution since the middle of the last century and what has created these changes.

So, by the 1950s, air pollution was very visible with frequent thick black fogs known as ‘smogs’ in many large cities around the world. The main source of this pollution was from factories and it caused severe health problems. For example, a particularly severe smog in London in 1952 caused over four thousand deaths. Obviously, something had to be done and in 1956 a Clean Air Act was introduced in Britain. This addressed the pollution from factories and the smogs soon disappeared.

However, as you know, these days air pollution is still a big issue. The main difference between now and the 1950s is that you can’t see it – it’s invisible. Also, the main source of pollution now is from cars and lorries, and although these don’t produce visible signs, this air pollution is still a significant risk to health. And one of the key factors in the rise of this type of pollution is that we have all become much more vehicle-dependent. There are far more cars and lorries, trains, and planes than in the 1950s and this is now the main source of air pollution around the world.

Native Speaker’s Answer

Non – native Speaker’s Answer

Text form of the answer: Air pollution has created several changes since the middle of the last century. Air pollution was very visible with the thick black fogs known as smogs, the main source of air pollution was from factories and it caused several health problems. Moreover, nowadays, air pollution is still a big issue, but today it’s invisible and the main reason behind this is from cars and lorries, still it is a risk to health problems. The main key factor behind this person becomes more vehicle-dependent. In the end, the main source of air pollution around the world is the vehicles.

Retell Lecture PTE Practice Test Q5:

Text form of the audio: From reading philosophy, I came up with three principles as the guiding principles for a just city, of the principles of equity, democracy, and diversity. Of these were derived from the works of a number of philosophers, most preeminently I supposed on Ross. My choice of word equity rather than equality is in fact based on Ross’s argument that policy ought to distribute benefits to people where the worst off become better off. So the worst off don’t have to become equal to everybody else but no policy should, in fact, make those who are most disadvantaged more disadvantaged. And it means that we have to talk about the policy at the time it’s being enacted. To say, while we have to make our city more competitive because some time and by and by, the benefits will trickle down to those people who were worst off doesn’t justify making them worst off at that time. We have a lot of examples of the world of people whose homes were destroyed in the name of the greater good and say eventually they will benefit. But equity means that you do not, in fact, take advantage of those people who are weakest.

Native Speaker’s Answer

Non – native Speaker’s Answer

Text form of the answer: There are main three guiding principles such as equity, democracy, and diversity. The speaker’s main choice of the word equity rather than equality because this policy ought to distribute the benefits to people where the worst off and do not have to become equal to everybody but there is no other policy that has more disadvantages. The benefits will trickle down to those people who were worst off and does not justify making them worst off. But equity means that do not take any advantage of those people who are weakest.

We hope the above Retell Lecture PTE Practice Test will be helpful for you. Want further practice; take a PTE mock test now.

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