题目

下列物质的化学式错误的是（） A . 钡餐∶ BaSO4 B . 丙酸：HCOOCH2CH3 C . 二甲醚∶ CH3OCH3 D . 铁锈： 答案：B As we all know, eating too much fat can ______ heart disease and cause high blood pressure. A. add to          B. attend to           C. contribute to    D. apply to