2. 外语
  3. Are organically grown foods the best food choices?The advantages claimed for such foods over【C1】______grown and marketed food pr

Are organically grown foods the best food choices?The advantages claimed for such foods over【C1】______grown and marketed food pr

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问题     Are organically grown foods the best food choices?The advantages claimed for such foods over【C1】______grown and marketed food products are now being debated.【C2】______of organic foods-a term whose meaning varies greatly-frequently proclaim that【C3】______products are safer and more nutritious than others．
    The growing interest of【C4】______in the safety and nutritional quality of the typical North American diet is a welcome development.【C5】______，much of this interest has been sparked by sweeping claims that the food supply is unsafe or inadequate in meeting nutritional needs.Although most of these【C6】______are not supported by scientific evidence，the preponderance(优势)of written material【C7】______such claims makes it difficult for the general public to separate fact from【C8】______．As a result，claims that eating a diet【C9】______entirely of organically grown foods prevents or【C10】______disease or provides other benefits to health have become widely【C11】______and form the basis for folklore．Almost daily the public is【C12】______by claims for“no-aging”diets，new vitamins and other【C13】______foods．There are numerous unsubstantiated reports that【C14】______vitamins are superior to synthetic ones，that fertilized eggs are nutritionally【C15】______than unfertilized eggs and the【C16】______．
    One thing that most organically grown food products seem to have in common is that they【C17】______more than conventionally grown foods．But in many cases consumers are【C18】______if they believe organic foods can maintain health and provide better nutritional quality than conventionally grown foods．So there is real cause for concern if consumers particularly those with【C19】______incomes，distrust the【C20】______food supply and buy only expensive organic foods instead．
【C1】
选项 A、conventional
B、traditional
C、formal
D、normal
答案A
解析 语义衔接题。空格前的such foods指的正是文章首句中提到的organically grown foods，本句是对两类食品的比较，所以所填词与organic形成语义上的反义复现关系，与organic goods相对应的应该是常规食品，选项A) conventional除了有“传统的，习惯的”的意思，还有“常规的，普通平凡的”的含义，这里选“conventional”取其第二层意思为好。选项B) traditional“传统的，惯例的”与“conventional”的第一层意思一样；选项C) formal“正式的”，指以适当或常规形式进行的；选项D) normal“正常的，正规的，标准的”。所以答案是A) 。
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大学英语四级

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