A-A+
One solution to the world's food shortage prob
问题详情
One solution to the world"s food shortage problem could be found in
A．foods from non-food materials.
B．foods in plastic tubes.
C．freeze-dried foods.
D．eatable food packages.
参考答案
正确答案：A
解析：B 说的是包装食物的方式，C 说的是食物的保存方法，这两者都不是解决食物短缺的办法，故很有可能都不是答案。短文中提到“scientists can now make foods from non-food materials”，由此可知，答案为A 。
