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 ______. 参考答案:E 答案解析:[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。
第28题: [单项选择]{{B}}Conversation 1{{/B}} A. The development of the markets of the company. B. The figures of sales and profits of the company. C. The developing plans of the company. D. The new trading partners of the company. 参考答案:B 答案解析:[听力原文]6-8
M: This graph shows our sales figures from the last five years.
W: Yes, I can see sales