Jackson Vandenberg

admin2009-03-13  24

问题 Jackson
Vandenberg

选项

答案B

解析 细节题。由第四段文章最后一句话“…commuter trains are truly practical only in places where there are a lot of people.”很容易得出城铁是否实用取决于人口的多少。故选B。
转载请注明原文地址:https://kaotiyun.com/show/4YCd777K
0

最新回复(0)