题目

铁处于Ⅰ、Ⅱ、Ⅲ三种不同的环境中如图所示，则铁被腐蚀的速率由慢到快的顺序是（填序号）． 答案：【1】Ⅱ＜Ⅲ＜Ⅰ-- I’ve studied growing plants as one of my interests. Could I make some suggestions? --______ ! A. You will make it                B. Take it easy C. Congratulations                 D. Go right ahead