As the world’s population continues to grow, the ______ of food becomes more and

题干

As the world’s population continues to grow, the ______ of food becomes more and more of a concern.

A．worth

B．supply

C．back pack

D．list

上一题下一题 0.64难度单项选择更新时间:2015-02-04 06:19:37

小学学科试题库

初中学科试题库

高中学科试题库