21. Answer: wheels
Key words: device, used, different locations,
Section C explains how the desolenator works: “It measures 120 cm by 90 cm, and is easy to transport, thanks to its two wheels”. ‘easy to transport’ has been paraphrased into ‘can be used in different locations’. The feature that makes this possible is its ‘two wheels’. However, as we can only use ONE WORD, the answer must be ‘wheels’.
22. Answer: film
Key words: water, fed, pipe, flows, solar panel
“Water enters through a pipe, and flows as a thin film between a sheet of double glazing and the surface of a solar panel”. After water enters a pipe (or is ‘fed into’ a pipe), a thin film of water flows out, between ‘a sheet of double glazing and the surface of a solar panel’. It can be inferred that the film of water flows over the surface of a solar panel. Therefore, the blank should be filled with ‘film’.
23. Answer: filter
Key words: any, particles, water, caught in
“The device has a very simple filter to trap particles”.
So this sentence can be paraphrased into the passive voice as ‘particles are trapped/caught in a very simple filter’. The answer is ‘filter’.
24. Answer: waste
Key words: purified, water, tube, types, through another
This sentence distinguishes between two types of liquid that come out through two different tubes. In Section C: “There are two tubes for liquid coming out: one for the waste – salt from seawater, fluoride, etc. – and another for the distilled water”. The term ‘distilled water’ is synonymous to ‘purified water’, so the other type of liquid must be ‘waste’.
25. Answer: performance
Key words: screen, displays, transmits, information, company, know, Desolenator, requires
The last sentence of section C states that: “The performance of the unit is shown on an LCD screen and transmitted to the company which provides servicing when necessary”.
The first part of the sentence can be paraphrased using the passive voice into ‘an LCD screen shows the performance of the unit’.
display = show
device = unit
So the answer for Q25 is ‘performance’.
The second part of the sentence means that the information lets the company know when it is necessary to do servicing, i.e. when the device requires servicing. So the answer for Q26 is ‘servicing’.
require = necessitate (necessary)
Answer: performance; servicing.
26. Answer: servicing
Key words: screen, displays, transmits, information, company, know, Desolenator, requires
The last sentence of section C states that: “The performance of the unit is shown on an LCD screen and transmitted to the company which provides servicing when necessary”.
The first part of the sentence can be paraphrased using the passive voice into ‘an LCD screen shows the performance of the unit’.
display = show
device = unit
So the answer for Q25 is ‘performance’.
The second part of the sentence means that the information lets the company know when it is necessary to do servicing, i.e. when the device requires servicing. So the answer for Q26 is ‘servicing’.
require = necessitate (necessary)
Answer: performance; servicing.
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