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第二卷(三部分，共39分)     第一节 任务型阅读(共10小题；每小题1分，满分10分)     请认真阅读下列短文，并根据所读内容在文章后表格中的空格里填入最恰当的单词。注意：每空格1个单词。 Wondering how many calories the banana cream pie on your plate has? Some Japanese have a novel way to find out: Photograph it with a cellphone and send the image to an expert. With cellphones becoming common in Japan and rising concern over expanding waistlines, health-care providers will allow the calorie-conscious people to send photos of三种正盐的混合溶液中含有0.2mol K+、0.25mol Zn2+、0.4mol Cl-和SO42-，则SO42-的物质的量为(    )A．0.1mol　　B．0.15mol　C．0.3mol　D．0.5mol