Use Of English C1

1. Milk is an important ________ of calcium and vitamin D and is an important part of any diet.

Ancestor

Base

Root

Source

When we talk about the base of something where many things arise, we can say that it is a source

Explanation

When we talk about the base of something where many things arise, we can say that it is a source

2. Scientists are yet to understand the full nutritional ________ of the humble olive.

Favours

Helps

Goods

Benefits

When we talk about the good things that something brings us, we say "benefits"

Explanation

When we talk about the good things that something brings us, we say "benefits"

3. This species of seagull is not a ________ of the island, but will sometimes rest here a while.

Resident

Neighbour

National

Citizen

Something that lives in a place, can be called a resident

Explanation

Something that lives in a place, can be called a resident

4. Thomas graduated with a specialist degree in the ________ of criminology.

Field

Aspect

Sector

Division

When we talk about a specific specialization, we are talking about a specific field

Explanation

When we talk about a specific specialization, we are talking about a specific field

5. In the mating season, the male of the species calls out with a ________ gu-gu sound.

Separate

Distinctive

Contrasting

Individual

When something is characteristic of other things, it can be called distinctive

Explanation

When something is characteristic of other things, it can be called distinctive

6. Politicians have been arguing about the reasons for the ________ in the number of unemployed.

Descent

Decline

Recession

Weakening

When we talk about something that decreased we also talk about decline.

Explanation

When we talk about something that decreased we also talk about decline.

7. Marie Curie, one of the best-known ________ in working with radiation, died in 1934.

Rebels

Debutants

Revolutionaries

Pioneers

Someone who is the basis of the beginning of something can be called a pioneer

Explanation

Someone who is the basis of the beginning of something can be called a pioneer

8. Dr Hartson is an animal expert, but I don't believe the _________ of his expertise is as wide as you think.

Width

Scope

Scale

Weight

When we talk about something that is missing or surplus, we also refer to the scope of it.

Explanation

When we talk about something that is missing or surplus, we also refer to the scope of it.

9. It is often only through long experiments of trial and ________ that scientific progress is made.

Mistake

Failure

Error

Fault

Something that goes wrong is an ...

Explanation

Something that goes wrong is an ...

10. Like most safety features, the air bag is very rarely used but when ________ upon, must operate perfectly.

Pulled

Required

Called

Requested

When we ask for something we also can say "called upon"

Explanation

When we ask for something we also can say "called upon"