六级And, apparently, that day has come because seemingly routine operations such as knee replacements are now much more hazardous due to the looming threat of these infections.
而且，很显然，这一天的到来是因为，由于这些感染的威胁迫在眉睫，膝关节置换等看似例行的手术现在变得更加危险。
2017年6月听力原文
六级You know, forecasting's become a very hazardous business so I don't want to commit myself too much.
你知道，预测已经成为一个非常危险的行业，所以我不想承担太多。
2016年6月六级真题（第二套）听力 Section C
六级Researchers studying teenagers in Israel concluded that, in that hazardous environment, mobile phones were regarded as "security objects" in parent-teen relationships―important because they provided the possibility ofcontact and communication at all times
研究以色列青少年的研究人员得出结论，在这种危险的环境中，手机被视为父母与青少年关系中的“安全物品”——这一点很重要，因为手机提供了随时联系和沟通的可能性
2013年12月阅读原文
六级Researchers studying teenagers in Israel concluded that, in that hazardous environment, mobile phones were regarded as "security objects" in parent-teen relationships―important because they provided the possibility ofcontact and communication at all times.
研究以色列青少年的研究人员得出结论，在这种危险的环境中，手机被视为父母与青少年关系中的“安全物品”——这一点很重要，因为手机提供了随时联系和沟通的可能性。
2013年12月阅读原文
六级Ideally,such a source would be safe in that it could not be made into weapons and would not make hazardous or toxic waste or carbon dioxide,the main greenhouse gas blamed for global warming.
理想情况下，这种来源是安全的，因为它不会被制成武器，也不会产生危险或有毒的废物或二氧化碳，而二氧化碳是导致全球变暖的主要温室气体。
2008年6月英语六级真题
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