To survive in the intense trade competition between countries, we must ______ th

游客2025-05-11  6

问题 To survive in the intense trade competition between countries, we must ______ the qualities and varieties of products we make to the world market demand.

选项 A、improve
B、enhance
C、guarantee
D、gear

答案 D

解析 (gear使适应,后接to)。句意为:为了在国家之间激烈的贸易竞争中幸存下来,我们必须使我们生产的产品的质量和品种适应世界市场的需求。A.improve改善;B. enhance提高,增进,增强;C.guarantee保证,担保。
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