题目

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 Do you know that over ten million American kids go to camp every summer ? Back then, hot city summers made people feel bad and even unhealthy for children, so escaping to the country for a few weeks became popular. Today, kids have different reasons for making camp a part of their lives.To meet new people Camp is a great way to make new friends and learn about different places and cultures. Michiko, 13, put it like this, “I loved camp. I met this girl named Manny who li（1）合理搭配饮食是我们健康生活的理念。比如早餐搭配：牛奶、面包、黄油、水果等，其中含有的营养素有油脂、水、蛋白质、维生素、无机盐和       。 （2）目前市场上有“补血口服液”、“高钙奶粉”等，这些铁、钙应理解为      （填原子、分子、元素、单质）；人体缺铁可能会引起       。（3）我们常用洗涤剂清洗餐具上的油污，这是因为洗涤剂具有        的功能。（4）厨房中常备的物品有：食醋、食盐、纯碱、蔗糖、花生油、大米、矿泉水等。利用以上物质能够完成的实验是__________。A．区分食盐和纯碱B．检验自来水的酸碱性C．除去热水瓶中的水垢D．试验以上物质是否能溶于水