Earth is mentioned by the author as a necessity for hydroponics. The soilless farming is generally cheaper than traditional pra

admin2012-09-10  42

问题 Earth is mentioned by the author as a necessity for hydroponics.
The soilless farming is generally cheaper than traditional practices.

选项 A、Right
B、Wrong
C、Not mentioned

答案B

解析 见最后一段第一句,句中提到soiless farming通常比“。utilizing fertile land”要更贵,可后者即是题中所指的“traditional practices”。
转载请注明原文地址:https://jikaoti.com/ti/gCJsFFFM
0

最新回复(0)