Science and technology have ____in important ways to the improvement of agricult
题型：不详难度：来源：
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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答案
| C |
解析
本题考查动词短语。contribute to means: 促成；有助于；对。。。有贡献。in important ways放在contribute to 之间，增加了题目的迷惑性。
【标签】动词词组的分裂式使用 |
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