Unit 15

Question 1

leaflet

/ˈliːflɪt/

Answer 1

a small book or piece of paper advertising something or giving information on a particular subject

Question 2

worthwhile

/ˌwɜːθˈwaɪl/

Answer 2

if something is worthwhile, it is important or useful, or you gain something from it
/ Programs like this one get kids involved in worthwhile activities. /

Question 3

pointless

/ˈpɔɪntləs/

Answer 3

worthless or not likely to have any useful result

Question 4

futile

/ˈfjuːtaɪl /

Answer 4

actions that are futile are useless because they have no chance of being successful SYN pointless OPP worthwhile
/ a futile attempt to save the paintings from the flames/

Question 5

fruitless

Answer 5

failing to achieve what was wanted, especially after a lot of effort OPP fruitful

/ So far, their search has been fruitless./

Question 6

conceivable

/kənˈsiːvəbəl/

Answer 6

able to be believed or imagined OPP inconceivable

/ It is conceivable that we could solve all our problems./
امکان پذیر

Question 7

viable

/ˈvaɪəbəl/

Answer 7

a viable idea, plan, or method can work successfully

/ The committee came forward with one viable solution./
ماندنی ، شدنی

Question 8

impracticable

/ɪmˈpræktɪkəbəl/

Answer 8

impossible or very difficult to do for practical reasons

Question 9

liable

/ˈlaɪəbəl/

Answer 9

responsible

liable to do something SYN likely

Question 10

doubtful

/ˈdaʊtfəl/

Answer 10

probably not true or not likely to happen

unlikely to be successful

Question 11

biodiversity

/ˌbaɪəʊdaɪˈvɜːsəti,/

Answer 11

the variety of plants and animals in a particular place

Question 12

contaminated

/kənˈtæmɪneɪtɪd/

Answer 12

water, food, etc that is contaminated has had a harmful substance added to it.

/ The infection was traced to contaminated food./
آلوده کردن

Question 13

deforestation

/diːˌfɒrəˈsteɪʃən /

Answer 13

the cutting or burning down of all the trees in an area

Question 14

emission

/ɪˈmɪʃən/

Answer 14

1. [countable usually plural] a gas or other substance that is sent into the air.
   2.[uncountable] the act of sending out light, heat, gas, etc
   تابش

Question 15

erosion

/ɪˈrəʊʒən /

Answer 15

the process by which rock or soil is gradually destroyed by wind, rain, or the sea
فرسایش

Question 16

exhaust

/ɪɡˈzɔːst/

Answer 16

[uncountable] the gas produced when an engine is working

Question 17

drought

/draʊt/

Answer 17

a long period of dry weather when there is not enough water for plants and animals to live
خشکسالی

Question 18

dominant

/ˈdɒmɪnənt /

Answer 18

more powerful, important, or noticeable than other people or things.
چیره شدن

Question 19

eminent

/ˈemɪnənt/

Answer 19

an eminent person is famous, important, and respected

/ She’s an eminent psychiatrist at the Harvard Medical School./

Question 20

confront

/kənˈfrʌnt/

Answer 20

to deal with something very difficult or unpleasant in a brave and determined way.
مواجه شدن

Question 21

pristine

/ˈprɪstiːn/

Answer 21

extremely fresh or clean, unspoiled

/ pristine African rainforest/

Question 22

unprecedented

/ʌnˈpresɪdentɪd/

Answer 22

never having happened before, or never having happened so much, unparalleled

/ It receives an unprecedented 18 percent increase for this year./
بی سابقه

Question 23

devastating

/ˈdevəsteɪtɪŋ/

Answer 23

badly damaging or destroying something

extremely harmful

Question 24

insoluble

/ɪnˈsɒljəbəl /

Answer 24

an insoluble problem is or seems impossible to solve
insurmountable
/ • At this point, the crisis appears insoluble./

Question 25

immune

/ɪˈmjuːn/

Answer 25

not affected by something that happens or is done

immune to

Question 26

pervasive

/pəˈveɪsɪv/

Answer 26

existing everywhere, omnipresent.

/ the pervasive influence of television/
نافذ

Question 27

inevitably

/ɪˈnevətəbli/

Answer 27

used for saying that something is certain to happen and cannot be avoided. unavoidably
اجتناب ناپذیر

Question 28

inexorably

/ɪnˈeksərəbəl/

Answer 28

unavoidably / unstoppable

نرم نشدنی ، متوقف نشدنی

Question 29

chronic

/ˈkrɒnɪk/

Answer 29

a chronic disease or illness is one that continues for a long time and cannot be cured → acute. persistent

Question 30

taxing

/ˈtæksɪŋ/

Answer 30

needing a lot of effort SYN demanding / challenging

/ It is an extremely physically taxing competition./

Question 31

disposal

/dɪˈspəʊzəl /

Answer 31

[uncountable] when you get rid of something

دفع کردن، نابود کردن

Question 32

reversible

/rɪˈvɜːsəbəl/

Answer 32

a change that is reversible can be changed back to how it was before OPP irreversible