雅思听力真题(Part 4)

Sea Lion Tracking Study

Part 4 · 考频:高频 · 最近考试:2026.2.28浙江科技大学

题目与答案

  1. Sea Lion Tracking Study (Western Australia)
    Reason for the study
    ·The Australian sea lion is an endangered species
    ·Until 1892, numbers were affected by hunting
    ·Sea lions are now affected by nets used to control 31_____ .

    答案:sharks

    原文定位:That's no longer allowed, but today there is a new danger. Sea lions often forage for food in the same areas along the coastlines where there are nets used to catch sharks. Unfortunately, they tend to get caught up in the nets by accident and drown

    同义替换:「control」↔「catch」,「now」↔「today」

  2. Animal tracking systems
    ·Considerations when choosing a tracking method include 32_____ and ease of use

    答案:cost

    原文定位:There are several different animal tracking methods which vary in their effectiveness, and there are different factors to consider. One of the most important of these is the cost, but you also have to consider how easy your chosen method is to use

  3. ·Plastic tags: the animal must be easy to 33_____

    答案:catch

    原文定位:You may choose a traditional method like a plastic tag. They're relatively straightforward to attach, but they're really only suitable to use with animals that you can catch quite easily

  4. ·GPS tracking will not work in the 34_____ .

    答案:ocean

    原文定位:You might also go with a more modern method like GPS tracking, which uses satellite technology to transmit data on the animal around the clock;One drawback for marine animals, though, is that they don't transmit a signal in the ocean

    同义替换:「work」↔「transmit data」

  5. ·In isolated regions, some animals are tracked by 35_____) (e.g. the polar)
    ·Some animals are identified by markings (e.g. dolphins are identified by scars)

    答案:helicopter

    原文定位:There are certain large animals in remote areas that have to be tracked using a helicopter. The polar bear is a good example

    同义替换:「isolated regions」↔「remote areas」,「Some」↔「certain」

  6. Challenges of tracking sea lions
    ·Perth study: sea lions lost their tags. (They rubbed against 36_____ to remove them)

    答案:rocks

    原文定位:When researchers in Perth tried to use electronic tags in a sea lion study, they found that the sea lions had removed their tracking devices by deliberately rubbing up against rocks

    同义替换:「lost」↔「had removed」

  7. ·Californian researchers used 37_____ to identify sea lions. (This was unreliable due to regular loss of fur)

    答案:paint

    原文定位:Researchers in California studying American sea lions tried a different method. They applied paint to the animals;They thought this would be a better, less invasive means of identification. Unfortunately, this didn't work so well either because sea lions molt every year and shed their fur along with the identifying mark

    同义替换:「used」↔「applied」

  8. Our study
    Aims:
    i) to find out if sea lions' whiskers can be used to identify them
    ii) to create a 38_____ to use as a guide

    答案:diagram

    原文定位:Our second aim is to come up with a diagram of sea lion whisker patterns, so this can be used as a guide for us and other studies

    同义替换:「create」↔「come up with」

  9. Methods:
    i) contacting 39_____ in Australia for photographs

    答案:zoos

    原文定位:So firstly, we've been in touch with zoos around Australia to gather photographs from them of the faces of any sea lions they have

    同义替换:「contacting」↔「in touch with」

  10. ii) asking the 40_____ to get involved

    答案:public

    原文定位:This won't be enough to achieve our purpose though, so we're also broadening our search by inviting the public to take part in our research

    同义替换:「asking」↔「inviting」,「get involved」↔「take part in」

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