There is a real concern that food supplies will not be ______ to feed the increasing population in world.

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问题 There is a real concern that food supplies will not be ______ to feed the increasing population in world.

选项 A、equal
B、sufficient
C、satisfied
D、satisfactory

答案B

解析 本题测试词义辨析。sufficient意为“足够的”;equal意为“相等的”;satisfied意为“使满意的,使满足的”;satisfactory意为“令人满意的”。所以B选项是正确答案。
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