Science and technology have ____in important ways to the improvement of agricult

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.attachedB.assistedC.contributedD.witnessed

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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