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Earlier this month a separate study found that a combination of climate change and industrial fishing is threatening the krill (磷虾) population in Antarctic waters, with a potentially disastrous impact on whales, seals and penguins.
2019年12月六级真题(第三套)阅读 Section C
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However, today is a new era in which taking antibiotics can cause some very dangerous and potentially life threatening situations.
2017年6月六级真题(第一套)听力 Section B
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Industrial fishing for krill in the unspoilt waters around Antarctica is threatening the future of one of the world's last great wildernesses, according to a new report.
2019年12月六级真题(第二套)阅读 Section C
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The black slaves from Guinea and Angola have demanded to be well treated, threatening to refuse to have children.
2018年12月六级真题(第二套)阅读 Section B