问题
选择题
As the world’s population continues to grow, the ___of food becomes more and more of a concern.
A．worth
B．supply
C．package
D．list
答案
答案：B
句意：由于世界人口的不断增长，粮食的供应越来越成为大家关注的焦点。A 价值，B供应，供给 C包裹，包装Ｄ名单，条目
【考点定位】名词词义辨析。