Question 1

the process of cooling or freezing (e.g., food) for preservative purposes

Accepted Answer

refrigeration

Question 2

A machine that turns the energy released by burning fuel into motion.

Accepted Answer

steam engine

Question 3

the train system

Accepted Answer

rail

Question 4

importance

Accepted Answer

significance

Question 5

to make easier

Accepted Answer

facilitate

Question 6

to make something possible

Accepted Answer

enable

Question 7

a method used to spread ideas

Accepted Answer

mass communication

Question 8

the spread or transmission of something (as news or money) to a wider group or area

Accepted Answer

circulation

Question 9

the ability to read and write

Accepted Answer

literacy

Question 10

make (something) on a large scale using machinery.

Accepted Answer

manufacturing

Question 11

Exchange of goods and services

Accepted Answer

trade

Question 12

a man-made object

Accepted Answer

artefact

Question 13

one thickness above or between other thicknesses

Accepted Answer

layer

Question 14

wandering, moving about from place to place

Accepted Answer

nomadic

Question 15

to lead a group of animals

Accepted Answer

herd

Question 16

fast

Accepted Answer

rapid

Question 17

increase in size

Accepted Answer

growth

Question 18

sth such as a building ,bridge that was made by putting various things together

Accepted Answer

structure

Question 19

relating to or characteristic of a group of people

Accepted Answer

tribal

Question 20

People who hunt animals and gather wild plants, seeds, fruits, and nuts to survive

Accepted Answer

hunter-gatherer

Question 21

to give the main points

Accepted Answer

summarise

Question 22

to suggest that not everything about an issue is correct or true

Accepted Answer

question

Question 23

to attract attention to

Accepted Answer

highlight

Question 24

to serve as a good example

Accepted Answer

exemplify

Question 25

to express your disapproval of someone or something, or to talk about their faults

Accepted Answer

criticise

Question 26

to emphasize

Accepted Answer

stress

Question 27

clarify by giving an example of

Accepted Answer

illustrate

Question 28

a negative feeling about sth

Accepted Answer

disapproval

Question 29

to use land for growing crops or raising animals

Accepted Answer

farm

Question 30

Bones of the body

Accepted Answer

skeleton

Question 31

a place for the burial of a corpse

Accepted Answer

grave

Question 32

preconceived negative opinion that is not based on reason or actual experience

Accepted Answer

prejudice

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