Bitcoin's energy cost

Question 1

tycoon [/taɪˈkuːn/]

Answer 1

someone who is successful in business or industry and has a lot of money and power
media/property/business/newspaper tycoon
a multi-millionaire property tycoon

Question 2

scheme [/skiːm/]

Answer 2

1 British English an official plan that is intended to help people in some way, for example by providing education or training SYN program American English
The money will be used for teacher training schemes.
a pension scheme
scheme for
schemes for two new cross-city lines

Question 3

pension [/ˈpenʃən/]

Answer 3

an amount of money paid regularly by the government or company to someone who does not work anymore, for example because they have reached the age when people stop working or because they are ill
At what age can you start drawing your pension?

Question 4

critic [/ˈkrɪtɪk/]

Answer 4

someone whose job is to make judgments about the good and bad qualities of art, music, films etc SYN reviewer
music/art/film/theatre/literary critic
a review by the theatre critic of the ‘Sunday Times’

Question 5

tent [/tent/]

Answer 5

a shelter consisting of a sheet of cloth supported by poles and ropes, used especially for camping
We looked for a flat spot where we could pitch our tent (=put up our tent).

Question 6

essentially [/ɪˈsenʃəli/]

Answer 6

used when stating the most basic facts about something SYN basically
 Ballet is essentially a middle-class interest.
 Suicide rates have remained essentially unchanged.

Question 7

pastry [/ˈpeɪstri/]

Answer 7

شیرینی

Question 8

risk-averse

Answer 8

not willing to take risks

Shareholders are more risk averse than they used to be.

Question 9

Shareholder

Answer 9

سهام دار

Question 10

buzz []

Answer 10

1 MAKE A SOUND [intransitive] to make a continuous sound, like the sound of a bee
a loud buzzing noise

4 CALL [intransitive, transitive]
a) to call someone by pressing a buzzer
Kramer buzzed at the security door, and I let him in.

5 THOUGHTS [intransitive] if your head or mind is buzzing with thoughts, ideas etc, you cannot stop thinking about them
buzz with
My mind was buzzing with new ideas.

Question 11

colossal [/kəˈlɒsəl/]

Answer 11

used to emphasize that something is extremely large
a colossal statue of the King
The whole holiday was a colossal waste of money.

Question 12

expenditure [/ɪkˈspendɪtʃə/]

Answer 12

1 [countable, uncountable] the total amount of money that a government, organization, or person spends during a particular period of time → income
expenditure on
expenditure on research and development

Question 13

awe-inspiring []

Answer 13

extremely impressive in a way that makes you feel great respect
a truly awe-inspiring achievement

Question 14

appliance [/əˈplaɪəns/]

Answer 14

a piece of equipment, especially electrical equipment, such as a cooker or washing machine, used in people’s homes
domestic/household etc appliance
There’s plenty of space for all the usual kitchen appliances.

Question 15

assess [/əˈses/]

Answer 15

to make a judgment about a person or situation after thinking carefully about it SYN judge
assess the impact/extent/effectiveness etc of something
a report to assess the impact of advertising on children

Question 16

monstrous [/ˈmɒnstrəs/]

Answer 16

very wrong, immoral, or unfair
It’s monstrous to charge that much for a hotel room.
Such monstrous injustice is hard to understand.

Question 17

Putting things into perspective

Answer 17

assessing the real importance of

something, often by comparing it to something similar.