A Cosmic Directory - Test 3

C2 Proficiency · Multiple Choice Cloze · Cambridge English Proficiency 2, Cambridge University Press

For questions 1–8, read the text below and decide which answer (A, B, C or D) best fits each gap.

shield

protect

harbour

safeguard

eyes

logs

tabs

check

principles

criteria

concepts

scales

uphold

maintain

preserve

sustain

lurk

loiter

hide

hover

potentially

plausibly

predictably

prospectively

levels

notes

totals

scores

situation

destination

location

orientation

Scientists at Puerto Rico University in Arecibo have recently (0) ___ a cosmic directory that lists the planets and moons most likely to (1) ___ alien life. They created the catalogue to make sense of the ever-increasing number of distant worlds that are visible with modern telescopes. They believe it will help astronomers, and others with an interest, to compare faraway worlds and keep (2) ___ on the most habitable ones as researchers discover them. The catalogue ranks the habitability of planets and moons according to three (3) ___ : their surface temperature, their similarity to Earth and their capacity to (4) ___ organisms that (5) ___ at the bottom of the food chain. It suggests that among hundreds of candidates, only a few planets are (6) ___ habitable, and gives high (7) ___ for habitability to even fewer. The database also holds information on the (8) ___ of the planets, their probable mass and the type and age of the stars they orbit.

A Cosmic Directory

despatched

launched

commenced

embarked

Available as a free printable PDF worksheet with an optional answer key.

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