Science and technology have in important ways to the improvement of agricultural production.A. attached B. assisted C. contributed D. witnessed[解析]C本題考查動(dòng)詞短語.contribute to means: 促成,有助于,對(duì)...有貢獻(xiàn).in important ways放在contribute to 之間.增加了題目的迷惑性. 【查看更多】

 

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Science and technology have ____in important ways to the improvement of agricultural production.

A.     attached  B. assisted  C. contributed  D. witnessed

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Science and technology have ____in important ways to the improvement of agricultural production.

A.     attached  B. assisted  C. contributed  D. witnessed

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.Science and technology have ____in important ways to the improvement of agricultural production.

A.attached         B. assisted         C. contributed        D. witnessed

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