Complete each sentence with the correct ending, A-E, below. Write the correc

游客2024-01-07  32

问题     Complete each sentence with the correct ending, A-E, below. Write the correct letter, A-E, in boxes on your answer sheet.
    A. new developments, such as the application of Hydrofluorocarbons.
    B. consumers’ demand for fresh food, especially for vegetables.
    C. the discovery of chlorofluorocarbons (Freon).
    D. regional transportation system for refrigeration for a long distance.
    E. extensive spread of the refrigeration method. [br] Problems due to water treatment contributed to

选项

答案 E

解析 水处理引发的问题致使什么。题干关键词为water treatment,据此定位到第4段第2句:To make it worse,by the 1890s water pollution and sewage dumping made clean ice even more unavailable.这个问题指的就是干净冰块越发难求,最终的结果是什么呢?这段的最后一句as a result给出了答案,即越来越需要干净的机械制冷设备了。扫读剩下的三个选项,只有E选项符合这道题目。因此,本题的答案为E。
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