【题目】It's well known that Zheng He's ______ made the connections between East and West closer.
A.travel
B.voyage
C.tour
D.journey

【答案】B
【解析】句意：众所周知，郑和的航行拉近了东西方的联系。名词voyage主要用来指远距离的海上航行，故选B。