22. Answer: NOT GIVEN
Explain
– Key words: studying, animals, zoos, less, stressful, the wild
– In comparison with studying animals in the wild, studying them in zoos is less risky and involves fewer variables. We only know that there is less risk for both the animals and the scientists themselves, but we do not know if
studying animals in zoos is less stressful. There is no information regarding
this.
23-24. Answer: B. Some travel to overseas locations to join teams in zoos., D. Some teach people who are involved with conservation projects
Explain
– Key words: two, stated, zoo staff
– It is stated in paragraph D that:
– “Many zoos also work directly to educate conservation workers in other
countries” -> zoo staff can teach conservation workers, or people involved
with conservation projects. So D is correct
Teach = educate
– “..or send their animal keepers abroad to contribute their knowledge and skills to those working in zoos and reserves”. This means that some animal keepers (a type of zoo staff) travel to overseas to help other zoo staff.
– So B is correct
25-26. Answer: B. They can increase public awareness of environmental issues., E. They can raise animals which can later be released into the wild.
Explain
– Key words: two, beliefs, zoos
– In paragraph B, it is stated that some animals have been reintroduced into the wild from zoos, or that wild populations have been increased by the
introduction of captive bred animals. The term „reintroduce‟ means that
animals will be raised in zoos before being released into the wild.
– So E is correct.
– Public = general population
– Awareness = conscious
– Thus, the sentence can be paraphrased into: zoos can increase public
awareness of environmental issues.
– B is correct.
27. Answer: FALSE
Explain
– Key words: Rochman, colleagues, first, research, marine, debris
– Paragraph 2 mentions that “plenty of studies have sounded alarm bells about the state of marine debris” and that “Rochman and her colleagues set out to determine how many of those perceived risks are real”. This implies that there has been other research on marine debris before Rochman and her colleagues, and they want to examine these previous studies.
– Thus, the statement is FALSE.
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