A bridge would cost far more than a tunnel, but you would be able to go by rail or by car on a bridge, whereas a tunnel would pr

admin2011-01-14  30

问题 A bridge would cost far more than a tunnel, but you would be able to go by rail or by car on a bridge, whereas a tunnel would provide a rail link only.

选项

答案建桥的成本比建隧道高得多,但是在桥上你可以乘火车或者开车,而隧道却只能行驶火车。

解析
转载请注明原文地址:https://kaotiyun.com/show/mJJO777K
0

最新回复(0)