Question

【题目】The Silk Road ________ new markets in Europe and America in ancient times.

A. built upB. opened upC. put upD. looked up

Answer 1

【答案】B

【解析】

句意：丝绸之路在古代开辟了欧洲和美洲的新市场。考查动词短语辨析。A. built up逐步增长；B. opened up打开/开放，指的是（使）（地方、经济、兴趣领域等）开放；C. put up挂起/建造；D. looked up查阅。根据句意语境，可知open up符合句意，故选B。