Question

【题目】Science and technology have ______ in important ways to the improvement of agricultural production.

A.attachedB.assistedC.contributedD.committed

Answer 1

【答案】C

【解析】

考查动词词义辨析。句意：科学技术在很多方面促进了农业生产的改善。A. attached把……固定，把……附在……上；B. assisted协助；C. contributed捐献；D. committed承诺，保证。contribute to sth：有助于，促成。故选C。