While skyscraper offices and elegant apartment blocks remain the public face of

游客2024-08-10  15

问题 While skyscraper offices and elegant apartment blocks remain the public face of most major cities, these cities also have a mass of secret tunnels and hidden pipes below______which keep everything working.

选项 A、land
B、ground
C、soil
D、earth

答案 B

解析 尽管摩天大楼办公室和高雅的公寓街区保持着大城市的市容,城市同样也有大量的地下秘密管道来让一切运转。ground地面。land土地,国土。soil土壤。earth地球。
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