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  3. Nowadays, scientists still have not made huge progress on the research of earthq

Nowadays, scientists still have not made huge progress on the research of earthq

游客2023-09-17  28
问题 Nowadays, scientists still have not made huge progress on the research of earthquake because they have not fully understood what cause earthquakes. [br] After a thorough investigation of what happens during the earthquake, scientists use ______ to rate the actual damage.
选项
答案 the Mercalli criteria(scale)
解析 根据题意和during the earthquake定位到第五个小标题下第4段后两句...find out what occurred during the earthquake．Once they have a good idea of the range of damage，they use the Mercalli criteria...此处需填入名词性成分。题干中a thorough investigation of what happens during the earthquake与原文中的talk to...during the earthquake属同义转述。故use的宾语就是答案。
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