如何快速找到雅思阅读答案_雅思英语阅读

如何快速找到雅思阅读答案

　　Key point

　　1. Utility companies

　　2. Trial pits

　　3. Mechanical digging equipment

　　4. Geophysical survey methods

　　5. GPR

　　6. EM conductivity survey

　　7. The development of a magnetic plastic gas pipe

　　List of phrases

　　A. dig holes to bury utility lines

　　B. are dug to expose subsurface structures

　　C. damages easily undocumented utility lines

　　D. often need to dig holes near some subsurface structures

　　E. are developed to search valuable mineral deposits

　　F. are dug to confirm the location of a subsurface structure

　　G. provides little useful depth information

　　H. always provides the most complete and accurate information

　　I. can detect very small objects

　　J. can detect plastic gas pipes

　　K. will be evaluated

　　L. uses gas and electricity

　　M. is likely to make it easier to locate the lines

　　Q1. Utility companies...

　　通过快速浏览，我们找到了原句：Utility companies, construction projects, and highway contractors are often faced with the need to excavate or pipe-jack in the vicinity of known or suspected buried utility lines, drains, or other subsurface structures.