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

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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 improve“改善，增进”；enhance“增加，提高”；guarantee“保证，担保”；gear (常与to连用)“使适应，使适合”。根据句意和各个选项的意思可知，正确答案是D。

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

考博英语

ThomasWolfeportrayedpeoplesothatyoucametoknowtheiryearnings,theirimpulses,andtheirwarts--thiswaseffective____

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Whensolidchangestoliquid,it______heatfromallsubstancesnearitandthisreducesthetemperaturesurroundingit.

PresidentBushwarnedCongressonWednesdaythatinactiononhispushto______SocialSecuritycouldbreedpoliticalrepercussion

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