一年很快过去了，罗尼取得了一些进步，但他的成绩仍然低于正常水平。
The year passed quickly and Ronny had made some progress but he was still below the level of grade.
简而言之，单单一本沾满灰尘的《战争与和平》不会影响任何人的成绩；更重要的是父母的教育水平，以及他们的基因。
In short, a dust-covered copy of War and Peace alone isn't going to influence anyone's grades; what counts is parents' education levels, as well as their genes.
实验的组织者得出的结论是，在批判性思维方面取得高水平成绩的学生远远少于在书面交流或定量素养方面取得高水平成绩的学生。
The organizers of the experiment concluded that far fewer students were achieving at high levels on critical thinking than they were doing for written communication or quantitative literacy.
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