A-A+
What's the main idea of this passage？A．World p
问题详情
What"s the main idea of this passage？
A．World population and food shortage.
B．World population and climate change.
C．Desert plants and gene technology.
D．Food and fuel shortage in the future.
参考答案
正确答案：C
解析：通观全文是在描述借助基因技术来改良适应沙漠的植物。并继而推广。C Desert plants and gene technology(沙漠植物与基因科技)含义与原文相符合，故为答案。
