题目

阅读理解Sometime in 1885 or1886,Arthur Conan Doyle was doodling(信手乱涂)ona sheet of paper. Inspired by Edgar Allan Poe's Auguste Dupin, he had the ideafor a consulting detective, who would also use the Rules ofEvidence to catch his man. But what would he be called? OrmondSacker? Sherrinford Holmes?Had he settled oneither of these alternatives, the modern-day fan clubs would be able to lookclosely through their magnifying glasses(放大镜)at that historic piece of paper at an exhibition opening at the Museum ofLondon on Friday.Sherlock Holmes: The Man Who Never Lived and Will Never D（6分）某地1000kg化肥的市场价格是：NH4NO3：1080元，NH4HCO3：330元。⑴这两种化肥都含有植物所需要的     元素，施用时不能与      性物质混合施用。⑵NH4HCO3的相对分子质量是                             。⑶用1000元分别采购这两种化肥，购得          含的有效成分比较多。