请在4月20日之前完成文献搜集工作。格式如下(可参考第二单元课件): Name: Working Title: Research Questions: Title Source Reasons Article 1 The Characteristics of Agricultural Drought Disaster Loss and Response to Climate Warming in Gansu, China LanyingHan(2016).Journal of Desert Research, 2016, 36(3) 1.The article's first author is an expert in this area, and she have higher reputation.The other authors from reputable institutions. 2.This article is a classic literature in this area in recent years. 3.This article studies a province's impact of climate change on agriculture, and to some extent solve some related agricultural problems in this province and therefore it has reference value. 4.It published in a scientific and core journal.