单选题
阅读下面这篇短文，短文后列出了7个句子，请根据短文的内容对每个句子作出判断。如果该句提供的是正确信息，请选择A项；如果该句提供的错误信息，请选择B项；如果该句的信息文章中没有提及，请选择C项。

{{B}} Irradiating Food{{/B}}
Irradiating fruits, vegetables, pork and chicken to kill insects and bacteria has been approved by the Food and Drug Administration over the past decade or so. Irradiation of other meats, such as beef and lamb, is being reviewed. Federal approval does not require that industry adopt the process, and few food processors presently offer irradiated products.
Market studies have shown that many consumers are afraid that eating irradiated foods may cause cancer, despite scientific studies that prove the safety of treated foods. Some people argue that more severe government inspection, higher food-safety standards, and more careful-preparation practices by consumers are all that is needed to ensure that food is safe. Consequently, companies currently see no need to spend millions of dollars outfitting processing plants with the equipment necessary for a process that very few shoppers are in favor of.
All supermarkets that sell irradiated food must label the food either directly on the packaging, or, in the case of bulk items like fruits and vegetables, by placing a sign nearby. There is no requirement for the labeling of irradiated food served by chain restaurants or hospitals that buy directly from distributors, nor any regulations for products that contain irradiated ingredients.
Presently, the FDA allows food to be treated with three types of radiation—gamma rays, high-energy electrons, and X rays—and sets limits on doses, depending on the type of food. The principle is that the dose to be used for a certain type of food should not exceed the amount that is sufficient to kill most harmful insects and bacteria present in it. Different types of food, because of their molecular compositions, may require different doses of radiation.

单选题 According to the passage, killing insects and bacteria present in foods by irradiating is not completely approved by the US government.

【正确答案】 A

【答案解析】[解析] 在看题干时尤其需要注意题干中出现的修饰词——形容词／副词。利用专有名词“US government”和核心结构“killing insects and bacteria”作为答案线索词，在第1段找到答案相关句：Irradiating fruits, vegetable, pork and chicken to kill insects and bacteria has been approved by the Food and Durg Administration (Food and Drug Administration是美国政府下设的食品和药品管理局)(与题干中的“US government”呼应)over the past decade or so．Irradiation of other meats，such as beef and lamb，is being reviewed．划线句说“对水果、蔬菜、猪肉和肌肉进行放射处理以杀死其中的昆虫和细菌已经获得美国食品和药品管理局的批准”，但是“对其他肉类进行放射处理的做法还在进行审查”，根据这两句话的内容判断问题句“通过对食物进行放射以杀死食物中的昆虫和细菌的做法还没有得到美国政府的完全批准”正确。

单选题 There are quite a number of food processors which are interested in producing irritated foods.

单选题 Some consumers are doubtful of the safety of irradiated foods and suggest a more severe government inspection be taken.

【正确答案】 A

【答案解析】[解析] 判断该句说法比较客观，所以可能正确。借助原文：利用新信息词“Some　consumers， severe government inspection”作为答案线索词，在第2段的第1句和第2句中找到答案相关句：Market studies have shown that many consumers are afraid that eating irradiated foods may cause cancer．despite scientific studies that prove the safety of treated foods．Some people (与“Some consumers”呼应)argue that more severe government inspection，higher food-safety standards，and more careful-preparation practices by consumers are all that is needed to ensure that food is safe，真正的直接答案相关句是划线结构(该结构同时涉及到题干中的两个线索结构)，该结构说“一些人要求由政府对这些经过放射的食品进行更加严格的检测，实施更高的食物安全标准……”因此判断问题句“一些顾客怀疑经过放射后的食品的安全性，建议由政府对这些经过放射的食品进行更加严格的检测”的说法正确。

单选题 Some companies foresee the promising future of setting up food processing factories, although they do not see the need now.

【正确答案】 C

【答案解析】[解析] 利用“companies，promising future”作为答案线索词，在第2段的最后一句找到答案相关句：Consequently, companies currently see no need to spend millions of dollars outfitting processing plants with the equipment necessary for a process that very few shoppers are in favor of．但是该句中并没有出现另一个答案线索结构“promising future”，而实际卜在内容上也没有提到预测被放射食品的未来前景问题，因此判断问题句的内容在文章中“没提到”。

单选题 It is required that labels placed on irradiated food or nearby bulk items such as vegetables and fruits should indicate irradiated ingredients.

【正确答案】 B

【答案解析】[解析] 利用新线索词/结构“labels，irradiated ingredients”作为答案线索词，在第3段发现答案相关句：There is no requirement for the labeling of irradiated food served by chain restaurants or hospitals that buy directly from distributors, nor any regulations for products that contain irradiated ingredients．这个句子包含了我们所选取的两个答案线索结构，因此判断这个句子很可能是直接的答案相关句。该句说“没有要求对进行了放射杀菌的食物贴标签注明，也没有法令要求在包含放射成分的食物上贴标签注明”，显然这个内容与问题句的说法正好相反(问题句说“要求贴商标注明”)，因此判定问题句的说法错误。

单选题 Restaurants can serve irradiated food bought directly from distributors without labeling it.

【正确答案】 A

【答案解析】[解析] 利用“Restaurants，distributors”作为答案线索词，关注题干中的状语结构“without labeling it”，在第3段的第2句找到答案相关句：There is no requirement for the labeling of irradiated food served by chain restaurants or hospitals that buy directly from distributors．nor any regulations for products that contain irradiated ingredients，该句说“饭店或医院不要求标明他们提供的食品是从分销商那儿直接购买来的经过放射处理后的食品”，因此判定问题句“餐馆能出售从分销商那里直接购买的经过放射处理后的食品，而不必对该食物进行特别标注。”的说法是正确的。