In the past decade some third world countries have suffered from a cycle of drou

游客2025-05-09  0

问题 In the past decade some third world countries have suffered from a cycle of drought ______ with flood.

选项 A、altering
B、activating
C、nominations
D、alternating

答案 D

解析 句意:过去的十年中,一些第三世界国家遭受了干旱和洪涝的交互侵害。alter改变。activate刺激,使活动。nomination提名,任命。alternate交互,交替。
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