2. 外语
  3. To survive in the intense trade competition between countries, we must______the qualities and varieties of products we make to t

To survive in the intense trade competition between countries, we must______the qualities and varieties of products we make to t

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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 动词词义辨析。分析句子结构和句意，空格应填入与survive意思相近的动词。选项中，gear与后面的to搭配，意为“根据……调整……”符合句意。故答案为D。improve，enhance，guarantee均不能与名词varieties搭配。
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