高分翻译 不要机翻

他能主动并积极地参加班级和学校的各项活动，在班上担任宣传委员和学习委员，工作认真负责，为班级出黑板报，为老师当助手，为同学劳动，从无怨言，为班集体起到了良好的模范带头作用，是个全面发展的优秀学生。

He could take part in the activities of class and school actively and positively. He is in charge of the study and publicity in the class（英文中没有学习委员和宣传委员这一说，就翻译成在班上负责学习和宣传就可以了）, he is conscientious in his work, publishes blackboard newspaper for class ,become the assistant for the teacher and work for classmates without any complain. He sets an example and takes the lead for the class and is good student developing in all-round way.

He participates in all class and school activities actively.
As the student in charge of class publicity and study, he works conscientiously to make the blackboard newspaper, assist teachers with their work and help classmates without any complaint, which sets a good example to the whole collective. He is an excellent student in an all-around way.

He can take the initiative and actively participate in classes and school activitie