题型:选择题 A lot of research and studies have shown that Trench oil, taken out from kitchen waste, ______ the increase of cancers. [ ]A. results from B. attends to C. contributes to D. devotes to 查看答案
题型:选择题 中国坚持和平崛起,走和平发展的道路,是由__________决定。①我国人民民主专政的国家性质 ②我国是发展中国家 ③我国独立自主的和平外交政策 ④我国的国家利益A.①②③B.①②④C.②③④D.①③④ 查看答案