lesson 5

Question 1

to insulate

Answer 1

to cover and surround something with a material or substance in order to stop heat, sound, or electricity from escaping or entering

Question 2

buoyant

Answer 2

able to float

Question 3

moisture

Answer 3

a liquid such as water in the form of very small drops, either in the air, in a substance, or on a surface

Question 4

ax

Answer 4

a tool consisting of a heavy iron or steel blade at the end of a long wooden handle, used for cutting wood

Question 5

substitute

Answer 5

to use something or someone instead of another thing or person

Question 5

thermal

Answer 5

connected with heat

Question 6

promising

Answer 6

Something that is promising shows signs that it is going to be successful or enjoyable

Question 7

concrete

Answer 7

a very hard building material made by mixing together cement, sand, small stones, and water

Question 8

to amass

Answer 8

to get a large amount of something, especially money or information, by collecting it over a long period

Question 9

inferior

Answer 9

not good, or not as good as someone or something else

Question 10

triumph

Answer 10

a very great success, achievement, or victory (= when you win a war, fight, or competition), or a feeling of great satisfaction or pleasure caused by this

Question 11

specification

Answer 11

a detailed description of how something should be done, made, etc.

Question 12

to inspire

Answer 12

to make someone feel that they want to do something and can do it

Question 13

conscious

Answer 13

to notice that a particular thing or person exists or is present

Question 14

to convey

Answer 14

to express a thought, feeling, or idea so that it is understood by other people

Question 15

engrossing

Answer 15

very interesting and needing all your attention

Question 16

globe

Answer 16

the world

Question 17

founder

Answer 17

someone who establishes an organization

Question 18

prospective

Answer 18

related to future

Question 19

deliberately

Answer 19

intentionally

Question 20

to assume

Answer 20

to accept something to be true without question or proof

Question 20

ethical

Answer 20

relating to beliefs about what is morally right and wrong

Question 21

irrelevant

Answer 21

not related to what is being discussed or considered and therefore not important

Question 22

to prosecute

Answer 22

to officially accuse someone of committing a crime in a law court, or (of a lawyer) to try to prove that a person accused of committing a crime is guilty of that crime

Question 23

welfare

Answer 23

help given, especially by the state or an organization, to people who need it, especially because they do not have enough money

Question 24

reckless

Answer 24

doing something dangerous and not worrying about the risks and the possible results

Question 25

to distinguish

Answer 25

to notice or understand the difference between two things, or to make one person or thing seem different from another

Question 26

volatile

Answer 26

likely to change suddenly and unexpectedly, especially by getting worse

Question 27

to mitigate

Answer 27

to make something less harmful, unpleasant, or bad

Question 28

to procure

Answer 28

to get something, especially after an effort

Question 29

vulnerable

Answer 29

able to be easily physically or mentally hurt, influenced, or attacked

Question 30

commodity

Answer 30

a substance or product that can be traded, bought, or sold

Question 31

scheme

Answer 31

an organized plan for doing something, especially something dishonest or illegal that will bring a good result for you

Question 32

transparent

Answer 32

If a substance or object is transparent, you can see through it very clearly

Question 33

to adopt

Answer 33

to accept or start to use something new

Question 34

to descend

Answer 34

to go or come down

Question 35

pursuit

Answer 35

the act of following someone or something to try to catch him, her, or it

Question 35

companion

Answer 35

a person you spend a lot of time with often because you are friends or because you are travelling together

Question 36

vivid

Answer 36

Vivid descriptions, memories, etc. produce very clear, powerful, and detailed images in the mind

Question 37

desperate

Answer 37

feeling that you have no hope and are ready to do anything to change the bad situation you are in

Question 37

spectacular

Answer 37

very exciting to look at

Question 38

extent

Answer 38

area or length; amount

Question 39

civilization

Answer 39

human society with its well developed social organizations, or the culture and way of life of a society or country at a particular period in time

Question 40

compelling

Answer 40

If a reason, argument, etc. is compelling, it makes you believe it or accept it because it is so strong

Question 41

to intervene

Answer 41

to intentionally become involved in a difficult situation in order to improve it or prevent it from getting worse

Question 41

persistent

Answer 41

lasting for a long time or difficult to get rid of

Question 41

to excel at sth

Answer 41

to be extremely good at something

Question 42

to acquire

Answer 42

to get or obtain something

Question 43

perception

Answer 43

a belief or opinion, often held by many people and based on how things seem

Question 43

counterpart

Answer 43

a person or thing that has the same purpose as another one in a different place or organization