题目

根据短文内容及首字母提示，填出所缺单词，使短文意思完整。Everyone wants to be successful. As a student, you also want to have success at school, no matter whether you’re good at studies or n_【1】__. But it’s difficult to learn all the lessons well because it r_【2】__ good ways and habits. If you take right ways of studying, you can make great progress. Here I will o_【3】__ you some advice.Firstly, be sure to make up your m__【4】_ to work hard and do well in everything you learn. It is wise of you to do your b__【5】_ in your studies.Secondly, it’s数据的采集一般要取平均值，这是为了（   ） A．好看                   B．凑数                    C．避免偶然性         D．数据越多越好