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A study by tracing the history of the emergence and spread of 335 infectious diseases from 1940 to 2004 provides a new point of
A study by tracing the history of the emergence and spread of 335 infectious diseases from 1940 to 2004 provides a new point of
admin
2009-08-19
31
问题
A study by tracing the history of the emergence and spread of 335 infectious diseases from 1940 to 2004 provides a new point of view on ________.
According to the survey made by Jones and her colleagues, new diseases arise as a result of dramatic increases in population, international trade and travel, and ________.
选项
答案
changes to agricultural practices
解析
根据题干中的the survey和dramatic increases定位到原文第六段第三句The survey paints a picture...arise as a result of dramatic increases in human population density...international trade and travel,and changes to agricultural practices.本题问的是导致新疾病出现的原因。题干中已经列出了人口密度、国际贸易和旅行的急剧增加等因素,根据原文句子可以看出需要填的是导致新疾病出现的原因之一。题干和原句的句子结构一致,答案显而易见,是农业活动的改变,即changes to agricultural practices。
转载请注明原文地址:https://kaotiyun.com/show/kMpK777K
0
大学英语六级
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