问题
选择题
Science and technology have ____in important ways to the improvement of agricultural production.
A．attached
B．assisted
C．contributed
D．witnessed
答案
答案：C
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