Cambridge ielts 1-15 series reading answers explained

=> ANSWER: 38. E 39. D
40. HE FEELS IT WOULD BE BETTER TO SPEND MONEY ON THE MORE 
… HEALTH PROBLEM OF PROVIDING THE WORLD‟S POPULATION 
WITH CLEAN DRINKING WATER. 
Keywords: better, health problem, clean drinking water 
In paragraph 11, the writer argues : ” Yet the cost of reducing carbon dioxide emissions…will be 
higher than the cost of solving the world‟s single, most pressing health problem: providing universal 
access to clean drinking water and sanitation.” 
pressing = demanding immediate attention= urgent 
=> ANSWER: I.
CAMBRIDGE IELTS 5 – TEST 1 – PASSAGE 3
THE TRUTH ABOUT THE ENVIRONMENT 

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CAMBRIDGE IELTS 5 READING – TEST 2 – 
ANSWERS 
BAKELITE – THE BIRTH OF MODERN PLASTICS 
QUESTIONS 1-3: CHOOSE ONE WORD ONLY FROM THE 
PASSAGE FOR EACH ANSWER. 
1. 
SOME PLASTICS BEHAVE IN A SIMILAR WAY TO….IN THAT THE
Y MELT UNDER HEAT AND CAN BE MOULDED INTO NEW 
FORMS. 
Keywords: similar, melt, moulded 
In paragraph 2, the writer says that: “Some are „thermoplastic‟, which means that, like candle
wax, they melt when heated and can be reshaped”. This means that some plastics,such as 
thermoplastics, have 
similar characteristics to candlewax: they melt under heat (melt when heated) and can be moul
ded (reshaped). 
+ a similar way to = like 
+ moulded = reshaped 
=>ANSWER: candlewax
2. BAKELITE WAS UNIQUE BECAUSE IT WAS THE FIRST MATERIAL 
TO BE BOTH ENTIRELY…..IN ORIGIN, AND THERMOSETTING. 
Keywords: unique, first, entirely 
At the end of paragraph 2, the writer states that “Bakelite had the distinction of being the fir
st totally synthetic thermosetting plastic” 
+ to be unique = to have the distinction of 
+ entirely = totally 
=>ANSWER: synthetic
3. THERE WERE SEVERAL REASONS FOR THE RESEARCH INTO 
PLASTICS IN THE NINETEENTH CENTURY, AMONG THEM THE GREAT 

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ADVANCES THAT HAD BEEN MADE IN THE FIELD OF… AND THE 
SEARCH FOR ALTERNATIVES TO NATURAL RESOURCES LIKE IVORY. 
Keywords: nineteenth century, great advances, field, ivory 
In paragraph 3, the writer reports that: “The impetus behind the development of these early pl
astics was generated by a number of factors- immense technological progress in the domain of 
chemistry, 
coupled with wider cultural changes, and the pragmatic need to find acceptable substitutes for 
dwindling supplies of „luxury‟ materials such as tortoise shell and ivory.” 
+ several reasons for = generated by a number of factors 
+ great advances = immense technological progress 
+ field = domain 
+ search = find 
+ alternatives = substitutes