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					That is why government has historically intervened, banning advertising, imposing health warnings and punitive ( ' , 惩罚性的) duties. 出自-2016年12月阅读原文
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					That's both an opportunity and a warning for the best higher-education system in the world. 出自-2012年6月阅读原文
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					The author's second warning is that we should avoid running a greater risk by challenging our boss's anthority. 出自-2011年6月阅读原文
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					The most important warning is this: if you have severe symptoms and they don't go away, go down! 出自-2012年12月听力原文
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					Better skip dinner or hit the gym afterwards, with a cancer charity warning that some iced coffees contain as many calories as a hot dinner. 出自-2010年12月听力原文
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					What warning did some health experts give 出自-2010年12月听力原文
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					But today's report is the starkest warning yet of the potentially devastating impact of climate change and human exploitation on the Antarctic's delicate ecosystems. 2019年12月六级真题(第三套)阅读 Section C
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					It comes and goes without much warning, and a field of lush leafy greens one year can dry up and blow away the next. 2018年6月六级真题(第一套)阅读 Section B
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					Le Bohec said:"The plight of the king penguin should serve as a warning about the future of the entire marine environment in the Antarctic." 2019年12月六级真题(第三套)阅读 Section C
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					Subjects played a computerized driving game in which the player must avoid crashing into a wall that materializes, without warning, on the roadway. 2018年6月六级真题(第二套)阅读 Section B
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					That sounds pretty terrible, but the loss of life has decreased by a factor of 10 simply because we are getting better at warning people. 2016年6月六级真题(第二套)听力 Section C
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					The academic community is not alone in warning about the potential dangers of AI as well as the potential benefits. 2019年6月六级真题(第一套)阅读 Section C
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					The sudden decline in foot traffic in recent years, even though it hasn't been accompanied by a massive decline in physical sales, is a critical warning. 2019年6月六级真题(第一套)阅读 Section B