①小明家的化肥是一种铵盐，有同学认为盐的水溶液都呈中性，你同意他的观点吗？请举例说明____

②结合探究过程回答，施用该化肥时应注意____．

根据短文判断下列句子是否正确,正确的写 “正确”,错误的写 “错误”

    Hello, my name is Li Ming. I am a boy. I am eleven years old. Now let me tell you something about my family. There are four people in my family. They are my father, my mother, my sister, and I. My father likes January and February. I like October. I don't like January and February. It's cold today.

读课文《捕蛇者说》，永洲之野这种蛇有巨毒，可是“永之人”却争着去捕捉这种蛇，其原因是（   ）。

若单项式2x²y^a+b与﹣ $\frac{1}{3}$ x^a﹣2by⁵的和仍然是一个单项式，则a﹣5b的立方根为（   ）