求翻译：在美国历史这门对中国学生来说难度较大的学科的学习上，张镭显示出了极大的韧劲和热情。每当我在课堂上布置Presentation任务，张镭总是踊跃发言，她的观点新颖而有针对性，在班上同学很受欢迎。在学习上遇到多棘手的问题时，张镭会及时地记录下来并在课后跟我探讨，也会大胆地提出自己的见解，期间展现出的活跃的思维让我非常欣赏。在我的印象中张镭从不会单纯为了拿高分而学习，只要是感兴趣的学科她都会付出努力，因此，即使她最后没有报考AP美国历史，她的在这门学科上的学术表现比大部分同学优秀是什么意思？

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In the history of the United States this to Chinese students to say it is quite difficult for the disciplines of study, graduate students displayed great tenacity and enthusiasm. Whenever I am in the classroom presentation tasks, Zhang furnished radium always speaking so enthusiastically her views a

In American history this gate to the Chinese student difficulty big discipline study in, opens the radium to demonstrate the enormous pliability and warm.Whenever I arrange the Presentation duty in the classroom, Zhang Lei always enthusiastically speak, her viewpoint novel has pointed, schoolmate re

In United States history departments on difficult subjects for students to study in China, RA showed great tenacity and enthusiasm. Whenever I'm in class Presentation task assigned, radium was always enthusiastic, her view of novel and targeted, the class is very popular. In learning how difficult t

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