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For questions 47-51, read the text below and decide which answer (A, B, C or D) best fits each
blank.
MYSTERIOUS BEASTS
The study of dinosaurs has (47)_
much headway in the past 20 years. The discovery of
numerous fully feathered dinosaurs offers strong evidence of the evolution of birds from their non-flying
ancestors, for instance. We also have fossils that (48)
ancient patterns of these long-extinct
animals.
Around 50 new dinosaur species have been named every year of the past two decades. New
studies have appeared on dinosaur behaviour, ecology, physiology, brain structure, hearing and many
more features besides. It is fruly a treasure trove of data, and new (49) of research keep
producing ever more interesting and surprising (50)
into these animals. And yet, rather
unavoidably, the fossil record is incredibly incomplete. This means that while we may have some ideas
be that
about the colours of a few dinosaurs, these are only a handful of individuals that may not YEN THI ONLINE
representative of their species, (51)_
A. caused
B. taken
A. conserve
B. sustain
A. streets
B. avenues
B. perspectives
B. not to mention
47.
48.
49.
50.
51.
A. views
A. let alone
any others.
C. made
C. preserve
C. roads
C. glances
C. what with
D. put
D. remain
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D. highways
D. insights
D. nevertheless