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.

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.

admin2011-01-22  29
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
The aging of cut flowers can be slowed down ______.
选项
答案E
解析 第三段讲到通过调节温度控制呼吸，进而影响到切花的寿命，所以应该选温度。
转载请注明原文地址:https://kaotiyun.com/show/EjUd777K
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)