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    精英家教网 > 高中英语 > 题目详情
    .Manufacturers should have professional productivity and technical knowledge to ______ the quality of the products.
    A．predictB．promiseC．guarantee D．determine
    C
    本题考查动词辨析。predict预测；promise许诺；guarantee保证；determine决定。根据句意为保证产品的质量，故选C。
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