2. 外语
  3. A. by keeping its original shape and color B. in the life of the cut flower C. to produce carbon dioxide D. for as long as possi

A. by keeping its original shape and color B. in the life of the cut flower C. to produce carbon dioxide D. for as long as possi

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问题 A. by keeping its original shape and color
B. in the life of the cut flower
C. to produce carbon dioxide
D. for as long as possible
E. by controlling temperature
F. to replace the water and solution every day
Respiration plays a key role______.
选项
答案B
解析 本题考查的是对阐述文章的主旨事实与细节的了解。本题其实与上面第24题意思相似，都是在说呼吸的作用。通过对第24题的分析，我们知道呼吸在花朵一生中起到重要作用，选项B符合题意，故选B。
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本试题收录于： 职称英语理工类C级题库职称英语分类
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