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

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

admin2015-02-17  504
问题 A.by keeping its original shape and color
B.in the life of cut flowers
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 本题其实与上题意思相似,都是在说呼吸的作用。通过对上题的分析,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。
转载请注明原文地址:https://kaotiyun.com/show/flUd777K
本试题收录于： 职称英语综合类A级题库职称英语分类
0

职称英语综合类A级

职称英语

相关试题推荐
随机试题
最新回复(0)