2. 外语
  3. Street sellers, particularly in developing countries, supply large amounts of food to people【C1】______low incomes. This sector a

Street sellers, particularly in developing countries, supply large amounts of food to people【C1】______low incomes. This sector a

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问题 Street sellers, particularly in developing countries, supply large amounts of food to people【C1】______low incomes. This sector also employs some 6%-25% of the work force, mainly women, in developing countries, and provides markets for agricultural and other【C2】______. In many countries, however, the authorities are not willing to【C3】______it as a formal sector of the food supply system. They may ignore it in food control programs or even try to put an end to it.
There are two possible【C4】______: pathogenic micro-organisms and hazardous chemicals. As far as micro-organisms are concerned, there is apparently no convincing evidence that street foods are more involved in the transformation of infection than foods obtained in, e.g. hotels. Studies in Egypt and elsewhere have found street foods to compare not【C5】______with hotel foods in respect of contamination with micro-organisms—some street foods were found to be contaminated with pathogens, but so were foods from four- and five-star hotels in the same area.
Hazardous【C6】______have been found in street foods, and food exposed for sale on roadsides may become contaminated by lead from vehicle exhausts.
Health dangers may【C7】______with: purchase of raw material of poor quality; improper storage, processing, and cooking; limited piped drinking-water; lack of【C8】______; unsatisfactory waste-disposal facilities; and personal cleanliness. The authorities should take into account the potentials of different categories of food for transmitting diseases. Dry foodstuff, dried grains, and【C9】______foods are less likely to transmit diseases than gravies, cooked rice, and low-acid milk, eggs, and meat products. Similarly foods which are thoroughly cooked and eaten at once are safer than【C10】______food kept at high temperatures for several hours.
A. on B. produce C. sugared
D. precooked E. with F. chemicals
G. product H. ice I. consider
J. unfavorably K. recognize L. arise
M. refrigeration N. contaminants O. favorably
【C9】
选项
答案C
解析 sugared，词义辨析／上下文题。根据词性，此处应当填入形容词修饰foods，可选范围为“sugared，precooked”。根据文意，此处在列举哪些食物比较不容易变质。这两个词前者表示糖腌渍过的食物，后者表示事先煮过的食物，两者皆可选用。但是下文下题中应选precooked(详解见下题)，故此处用sugared。
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