【題目】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】B
【解析】句意：由于世界人口的不斷增長，糧食的供應越來越成為大家關注的焦點。A.worth” 價值“；B.supply”供應，供給“； C.package”包裹，包裝；” D.list“名單，條目”。根據(jù)句意，選B。

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