Reading Passage 3
34
Special factories
on Mars could be used to
A
control the level of greenhouse gases.
В
absorb excess levels of carbon dioxide.
С
produce oxygen in a manner similar to plants.
D
help grow essential bacteria.
35
What is the w riter’s main purpose in the passage?
A
To explain why we need to terraform Mars.
В
To illustrate the three processes required to terraform a planet like Mars.
С
To consider how and why Mars might be terraformed.,
D
To demonstrate how straightforward it would be to terraform a planet.
Questions 36-40
Complete the summary using the list of words, А-I, from the box.
Write the correct letter, А-I, in boxes 36-40 on your answer sheet.
One method of terraforming Mars would be to 3 6 .............. asteroids at the planet. Rockets
attached to an enormous asteroid would
propel it towards Mars, taking ten years to
3 7 .............. the enormous distances required. The asteroid would 3 8 ................ the
planet with incredible force and 3 9 .............. enough energy to 4 0 ................ the planet’s
temperature. The result would be a temperate climate and lots
of water from melting ice
caps.
A
cover
D
increase
G
power
В
create
E
land
H
rise
С
hit
F
drive
1
shoot