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职称英语
Complete the summary below.Choose NO MORE THAN THREE WORDS from the passage for
Complete the summary below.Choose NO MORE THAN THREE WORDS from the passage for
游客
2024-01-08
74
管理
问题
Complete the summary below.
Choose NO MORE THAN THREE WORDS from the passage for each answer.
Write your answers in boxes 18-25 on your answer sheet.
Exploring the ancient city of Pteria
Archaeologists began working ten years ago. They started by taking photographs of the site from the ground and then from a distance in a【D1】______. They focused on what lay below the surface using a magnetometer, which identifies variations in the magnetic field. These variations occur when the【D2】______in buried structures have changed direction as a result of great heat. They line up with the surrounding magnetic field just as a【D3】______would do.
The other remote-sensing technique employed was resistivity. This uses a【D4】______ to fire electrical pulses into the earth. The principle is that building materials like【D5】______and stone do not conduct electricity well, while【D6】______does this much more effectively. This technique is mainly employed during the【D7】______, when conditions are more favourable. Resistivity is mainly being used to【D8】______ some images generated by the magnetometer. [br] 【D2】
选项
答案
iron particles
解析
利用细节词“magnetometer”,“changed direction”和“great heat”定位于原文D段落中间“If something containing iron oxide was heavily burnt,by natural or humanactions,the iron particles in it can be permanently reoriented,like a compass needle,toalign with the Earth’s magnetic field…”,这里“heavily burnt”对应题目的“greatheat”,“reoriented”对应“changed direction”,所以正确答案为iron particles和compass/compass needle。
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