Experiment On Artificial Sweeteners IELTS Listening Answers With Audio, Transcript, And Explanation

Luyện tập đề IELTS Listening Practice với Experiment On Artificial Sweeteners được lấy từ cuốn sách IELTS Cambridge 16 - Test 3 - Section 3 kèm Answer key, list từ vựng IELTS cần học trong bài đọc và Free PDF & Audio Transcript Download với trải nghiệm thi IELTS trên máy và giải thích đáp án chi tiết bằng Linearthinking

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Experiment On Artificial Sweeteners IELTS Listening Answers With Audio, Transcript, And Explanation

👂️ Audio and questions

Which TWO points does Adam make about his experiment on artificial sweeteners?

The results were what he had predicted.

The experiment was simple to set up.

A large sample of people was tested.

The subjects were unaware of what they were drinking.

The test was repeated several times for each person.

Which TWO problems did Rosie have when measuring the fat content of nuts?

She used the wrong sort of nuts.

She used an unsuitable chemical.

She did not grind the nuts finely enough.

The information on the nut package was incorrect.

The weighing scales may have been unsuitable.

Adam suggests that restaurants could reduce obesity if their menus

offered fewer options.

had more low-calorie foods.

were organised in a particular way.

The students agree that food manufacturers deliberately

make calorie counts hard to understand.

fail to provide accurate calorie counts.

use ineffective methods to reduce calories.

What does Rosie say about levels of exercise in England?

The amount recommended is much too low.

Most people overestimate how much they do.

Women now exercise more than they used to.

Adam refers to the location and width of stairs in a train station to illustrate

practical changes that can influence people's behaviour.

methods of helping people who have mobility problems.

ways of preventing accidents by controlling crowd movement.

What do the students agree about including reference to exercise in their presentation?

They should probably leave it out.

They need to do more research on it.

They should discuss this with their tutor.

What are the students going to do next for their presentation?

prepare some slides for it

find out how long they have for it

decide on its content and organisation

❓ Transcript

Experiment On Artificial Sweeteners

ADAM:

OK Rosie, shall we try to get some ideas together for our presentation on diet and obesity?

ROSIE:

Sure.

ADAM:

I can talk about the experiment I did to see if people can tell the difference between real sugar and artificial sweeteners.

ROSIE:

Where you gave people drinks with either sugar or artificial sweeteners and they had to say which they thought it was?

ADAM:

Yeah. It took me ages to decide exactly how I'd organise it, especially how I could make sure that people didn't know which drink I was giving them.

ADAM:

It was hard to keep track of it all, especially as I had so many people doing it - I had to make sure I kept a proper record of what each person had had.

ROSIE:

So could most people tell the difference?

ADAM:

Yeah - I hadn't thought they would be able to, but most people could.

ROSIE:

Then there's that experiment I did measuring the fat content of nuts, to see if the nutritional information given on the packet was accurate.

ADAM:

The one where you ground up the nuts and mixed them with a chemical to absorb the fat?

ROSIE:

Yes. My results were a bit problematic - the fat content for that type of nut seemed much lower than it said on the package.

ROSIE:

But I reckon the package information was right.

ROSIE:

I think I should probably have ground up the nuts more than I did.

ROSIE:

It's possible that the scales for weighing the fat weren't accurate enough, too.

ROSIE:

I'd really like to try the experiment again some time.

ADAM:

So what can we say about helping people to lose weight?

ADAM:

There's a lot we could say about what restaurants could do to reduce obesity.

ADAM:

I read that the items at the start of a menu and the items at the end of a menu are much more likely to be chosen than the items in the middle.

ADAM:

So, if you put the low-calorie items at the beginning and end of the menu, people will probably go for the food with fewer calories, without even realising what they're doing.

ROSIE:

I think food manufacturers could do more to encourage healthy eating.

ADAM:

How?

ROSIE:

Well, when manufacturers put calorie counts of a food on the label, they're sometimes really confusing and I suspect they do it on purpose.

ROSIE:

Because food that's high in calories tastes better, and so they'll sell more.

ADAM:

Yeah, so if you look at the amount of calories in a pizza, they'll give you the calories per quarter pizza and you think, oh that's not too bad.

ADAM:

But who's going to eat a quarter pizza?

ROSIE:

Exactly

ADAM:

I suppose another approach to this problem is to get people to exercise more.

ROSIE:

Right. In England, the current guidelines are for at least 30 minutes of brisk walking, five days a week.

ROSIE:

Now when you ask them, about 40% of men and 30% of women say they do this, but when you objectively measure the amount of walking they do with motion sensors, you find that only 6% of men and 4% of women do the recommended amount of exercise.

ADAM:

Mm, so you can see why obesity is growing.

ROSIE:

So how can people be encouraged to take more exercise?

ADAM:

Well, for example, think of the location of stairs in a train station.

ADAM:

If people reach the stairs before they reach the escalator when they're leaving the station, they're more likely to take the stairs.

ADAM:

And if you increase the width of the stairs, you'll get more people using them at the same time.

ADAM:

It's an unconscious process and influenced by minor modifications in their environment.

ROSIE:

Right. And it might not be a big change, but if it happens every day, it all adds up.

ADAM:

Yes. But actually, I'm not sure if we should be talking about exercise in our presentation.

ROSIE:

Well, we've done quite a bit of reading about it.

ADAM:

I know, but it's going to mean we have a very wide focus, and our tutor did say that we need to focus on causes and solutions in terms of nutrition.

ROSIE:

I suppose so.

ROSIE:

And we've got plenty of information about that.

ROSIE:

OK, well that will be simpler.

ADAM:

So what shall we do now?

ADAM:

We've still got half an hour before our next lecture.

ROSIE:

Let's think about what we're going to include and what will go where.

ROSIE:

Then we can decide what slides we need.

ADAM:

OK, fine.

🔥 Answer key (đáp án và giải thích)

Giải thích chi tiết

﻿﻿ Nghe tới Adam nói I can talk about the experiment I did to see if people can tell the difference between real sugar and artificial sweeteners là biết đáp án sắp tới
﻿﻿ Nghe thấy It took me ages to decide exactly how I'd organise it
=> Thí nghiệm mất nhiều thời gian để sắp xếp, không đơn giản
=> Loại B
﻿﻿ Nghe tiếp thấy especially how I could make sure that people didn't know which drink I was giving them

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