Page 50 - Vocabulary For YDT 12

TEST 21

9. Just a few years ago, a team of scientists 13. In the formation of honeycombs, bees construct
discovered a way to ---- planet-warming carbon ---- packed hexagonal cells to maximise storage
dioxide into a harmless powdered fuel that can space and structural stability within the hive.
serve as a sustainable energy source.
A) freely
A) develop
B) truly
B) respond C) tightly
C) qualify D) currently
D) attract
E) hesitantly
E) convert

10. To protect native species, ---- invasive plants that 14. A significant number of individuals ---- to
threaten the local ecosystem is vital, as these allergens like pollen and dust by experiencing
non-natives can quickly dominate and then symptoms including sneezing, itchy eyes, and
disrupt the habitat. nasal congestion.
A) throwing up A) apologise
B) rooting out B) adjust
C) taking over C) object
D) cutting across D) react
E) showing off E) emigrate

11. The ---- of forests is a major environmental 15. In the 19 century, many Arctic and Antarctic
th
issue with social, health, and economic factors expeditions were ---- for a while due to funding
responsible for negative impacts around the and logistical issues until new resources were
world. provided.

A) guidance A) left off
B) punishment B) come out
C) designation C) set on
D) coincidence D) aimed at
E) destruction E) caught up

12. Sound waves generated in gases, liquids, and 16. ---- a chess match, players must be cautious
solids are ---- energy sources for a variety of when moving their pieces ---- the opponent’s
fields, including energy harvesting, imaging, and territory to avoid captures, especially while
medicine. approaching the back rank.
A) vital A) During / into
B) weak B) Besides / with
C) bizarre C) Before / from
D) trivial D) Following / above
E) severe E) Towards / down

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