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  3. When travelling overseas, do you buy water in plastic bottles or take your chances with tap water? Imagine you are wandering abo

When travelling overseas, do you buy water in plastic bottles or take your chances with tap water? Imagine you are wandering abo

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问题    When travelling overseas, do you buy water in plastic bottles or take your chances with tap water? Imagine you are wandering about on a Thai island or【C1】______the ruins of Angkor. It’s hot so you grab a bottle of water from a local vendor. It’s the safe thing to do, right? The bottle is【C2】______, and the label says "pure water". But maybe what’s inside is not so【C3】______Would you still be drinking it if you knew that more than 90 percent of all bottled water sold around the world【C4】______microplastics?
   That’s the conclusion of a recently【C5】______study, which analysed 259 bottles from 11 brands sold in nine countries,【C6】______an average of 325 plastic particles per litre of water. These microplastics included a【C7】______commonly known as PET and widely used in the manufacture of clothing and food and【C8】______containers. The study was conducted at the State University of New York on behalf of Orb Media, a journalism organisation. About a million bottles are bought every minute, not only by thirsty tourists but also by many of the 2.1 billion worldwide who live with unsafe drinking water.
   Confronted with this【C9】______, several bottled-water manufacturers including Nestle and Coca-Cola undertook their own studies using the same methodology. These studies showed that their water did contain microplastics, but far less than the Orb study suggested. Regardless, the World Health Organisation has launched a review into the【C10】______health risks of drinking water from plastic bottles.
   A) adequate F) instant K) released
   B) admiring G) liquid L) revealing
   C) contains H) modified M) sealed
   D) defending I) natural N) solves
   E) evidence J) potential O) substance
【C7】
选项
答案O
解析 [语法判断]空格前面有冠词a，后面是过去分词短语作后置定语，因此推测空格处应填入可数名词的单数形式。[语义判断]空格所在部分指出，这些塑料微粒包括一种通常被称为PET的______。PET应该是一种化学物质，因此本空应填入含有“物质，材料”意义的名词，故答案为O)substance。
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大学英语四级

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