Exploring the oceans - Test 2

C2 Proficiency · Word Formation · Cambridge English Proficiency 2, Cambridge University Press

For questions 1–8, read the text below. Use the word given in capitals at the end of some of the lines to form a word that fits in the gap in the same line.

REVEAL

REVOLVE

DEEP

COMPARE

FIND

SIGNIFY

EMIT

DANGER

A million new species of (0) ___ sea life have recently been observed for the first time, promising (1) ___ about the marine ecosystem that could (2) ___ our understanding of the impact of climate change on the oceans. Each new life form was observed in the (3) ___ of the Pacific and Atlantic oceans by the research vessel, the Tara, which was a (4) ___ small ship to be undertaking a mission on this scale. The expedition's (5) ___ show for the first time the quite remarkable diversity of tiny plankton that are a vital food source for fish and whales. In total, 1.5 million species of microorganisms were recorded – (6) ___ more than previously thought – and some of these were extraordinarily beautiful. Worryingly, the scientists report that the oceans are becoming more acidic, and this will continue if (7) ___ of carbon dioxide increase, or even if they remain at current levels. Since these organisms are sensitive to acid, they could become (8) ___ species in the future.

Exploring the oceans

SCOPE

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