Question

【题目】Zhang Qian’s travels to the west of China helped _______ Central Asia to China.

A. set off B. set up C. open up

Answer 1

【答案】C

【解析】

句意：张骞通西域有助于使中亚向中国开放。A. set off出发；B. set up建立，准备，安排；C. open up打开，开发，使…开放。结合句意可知填open up；选C。