考博考试

【单选题】Some crossing points will be established, enabling vehicles to get across the route when there is not race traffic in the______.
A．vicinity
B．verge
C．proximity
D．velocity
网考网参考答案：A
网考网解析：
暂无解析 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>