题目内容:
Kunlun Mountain Tunnel is the world’s LONGEST plateau tunnel on permafrost, with a total length of 1,686 meters.
A.正确
B.错误
参考答案:【答案仅供学习,请勿对照自行用药等】
Kunlun Mountain Tunnel is the world’s LONGEST plateau tunnel on permafrost, with a total length of 1,686 meters.
A.正确
B.错误