Question

V. Read the passage and in suitable preposition in the banks.
(1) the icy waters of
A. Waddling over the rocks, legions of penguins hurl themselves
Antarctica, foraging (2) feed their young. Like seals and whales, they eat krill, an
inch-long shrimp like crustacean which forms the basis of the Southern Ocean food chain.
Krill is the power lunch of the Antarctic. It's a keystone species (3) everybody. In a
vast ocean whose water flows influence the whole planet, krill rely - (4) the sea ice to
protect them and provide algae to feed them while they grow. Krill fishing occur too close
(5) the penguin breeding colonies and perhaps more importantly, areas where the
penguins are foraging. Fishing (6) Antarctica is monitored by the Commission for
the Conservation of Antarctic Marine Living Resources (CCAMLR). Member countries must
agree between them
(7) catch limits and no-fish areas. Environmentalists insist that
CCAMLR renew key regulations on krill fishing when it gathers for its annual meeting in
October. Campaigners say agreement (8) conservation measures will be crucial
(9) the future (10) the region, considered one of Earth's last wildernesses.
close
B. In the swampy Florida Everglades, egrets and herons build nests that hang precariously
(1) alligators swimming beneath, ready to swallow any weak chicks that fall
(2) the murky waters. This game (3) survival, while dangerous for the birds
brings benefits to both. By nesting near alligators, the birds take advantage
certain degree of protection. Alligators tend to deter furry animals like possums or raccoons
that might steal birds' eggs or hatchlings. In exchange, the alligators are pretty much
guaranteed a steady meal, as birds are known
(5) pare back their broods by
sacrificing the weakest, pushing them out of the nest when times are hard and food is
scarce. Researchers have found that raccoons and opossums were scarce (6) areas
were the alligators lurked, and birds nested (7) much higher numbers, suggesting that
"birds perceive that alligator presence mean better nesting habitat." Researchers have also
found that Alligators near colonies were much fatter and healthier. So is this a case
(8) birds buying the alligators' protection with a weak chick to eat now and then ?​

Answer 1

Answer:

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