六级More than 80% of those cases can be attributed to contact with contaminated water and a lack of proper sanitation.
80%以上的病例可归因于接触受污染的水和缺乏适当的卫生设施。
2016年6月阅读原文
六级Rivers and lakes nearby will gradually become contaminated.
附近的河流和湖泊将逐渐受到污染。
2016年6月阅读原文
四级When a carpet was contaminated, less than 1% of the bacteria were transferred.
当地毯被污染时，只有不到1%的细菌被转移。
2018年12月四级真题（第三套）阅读 Section B
六级Iced coffees sold by some popular chains are contaminated.
一些流行连锁店出售的冰咖啡受到污染。
2010年12月听力原文
四级An urban food myth contends that if food spends just a few seconds on the floor, dirt and germs won't have much of a chance to contaminate it.
一个城市食物神话认为，如果食物在地板上停留几秒钟，污垢和细菌就不会有太多机会污染它。
2018年12月四级真题（第三套）阅读 Section B
六级Iced coffees sold by some popular chains are contaminated
一些流行连锁店出售的冰咖啡受到污染
2010年12月听力原文
四级We found that the number of bacteria transferred to either kind of food didn't depend much on how long the food was in contact with the contaminated surface——whether for a few seconds or for a whole minute.
我们发现转移到这两种食物中的细菌数量与食物与污染表面接触的时间无关——不管是几秒钟还是一分钟。
2018年12月四级真题（第三套）阅读 Section B
四级We wanted to know if the length of time food is in contact with a contaminated surface affected the rate of transfer of bacteria to the food.
我们想知道食物与污染表面接触的时间长短是否会影响细菌向食物的转移速度。
2018年12月四级真题（第三套）阅读 Section B
六级Both strains quickly invaded local hospitals when needle sharing and other unhealthy practices ensured the rapid spreading of the infection by bringing people into contact with contaminated body fluids.
当共用针头和其他不健康的做法使人们接触受污染的体液，从而确保了感染的迅速传播时，这两种病毒很快侵入了当地医院。
2013年6月听力原文
六级By contacting contaminated body fluids.
通过接触受污染的体液。
2013年6月听力原文
六级By contacting contaminated body fluids
通过接触受污染的体液
2013年6月听力原文
四级An urban food myth contends that if food spends just a few seconds on the floor, dirt and germs won’t have much of a chance to contaminate it.
一个城市食物神话认为，如果食物只在地板上停留几秒钟，污垢和细菌就不会有太多机会污染它。
2018年12月大学英语四级考试真题（第3套）
四级Research in my lab has focused on how food becomes contaminated, and we’ve done some work on this particular piece of wisdom.
我实验室的研究重点是食物是如何被污染的，我们已经对这一特定的智慧做了一些工作。
2018年12月大学英语四级考试真题（第3套）
四级We found that the number of bacteria transferred to either kind of food didn’t depend much on how long the food was in contact with the contaminated surface—whether for a few seconds or for a whole minute.
我们发现，转移到任何一种食物中的细菌数量在很大程度上都不取决于食物与受污染表面接触的时间——无论是几秒钟还是整整一分钟。
2018年12月大学英语四级考试真题（第3套）
四级It looks like what’s at issue is less how long your food stays on the floor and much more how contaminated with bacteria that patch of floor happens to be.
看起来问题不在于你的食物在地板上停留的时间，而在于那块地板恰好被细菌污染了多少。
2018年12月大学英语四级考试真题（第3套）
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