2. 外语
  3. Hot weather ______ the bacteria in milk rapidly, so milk remains fresh for just two days in summer.

Hot weather ______ the bacteria in milk rapidly, so milk remains fresh for just two days in summer.

admin2012-12-13  88
问题 Hot weather ______ the bacteria in milk rapidly, so milk remains fresh for just two days in summer.
选项 A、produces
B、multiplies
C、appears
D、preserves
答案B
解析 题意是：炎热的天气使牛奶中的细菌迅速______，所以在夏天牛奶只能在两天内保持新鲜。[D]multiplies“使繁殖”，符合题意。[A]produces“生产”，形容细菌的增多用生产不合适；[C]appcars“出现”，为不及物动词，不能带宾语；[D]preserves“保存”，说细菌迅速保存讲不通。因此，这三项都不符合题意。
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大学英语四级

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