2. 外语
  3. Below is a summary of some of the main points of the passage. Read the summary and then select the best word or phrase from the

Below is a summary of some of the main points of the passage. Read the summary and then select the best word or phrase from the

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问题     Below is a summary of some of the main points of the passage. Read the summary and then select the best word or phrase from the box below according to the passage. You should decide on the best choice and mark the corresponding letter on the ANSWER SHEET with a single line through the center.
    Malnutrition and the resulting impaired growth and development in children of weaning age in developing countries results not only from【18】but also from infections caused by contaminated food. Studies have addressed the problem of inadequate intake by using sprouted grains in food preparation. Contamination has been tackled with【19】. Both of these methods are, or were, used traditionally and are practical and inexpensive.
    Fermented foods have higher【20】and also have anti-microbial qualities. This means that contamination is decreased and that their【21】is increased. Fermentation occurs when【22】is left to stand, occasionally with simple additives. There is, however, a trend away from this【23】to commercial products.  
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答案K
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