解释：注视，凝视 用法：fix one's eyes on ／ upon sth. 例题： The teacher's eyes, without any expression, _____ the boy who made faces. A. watched B. stared at C. glared at D. were fixed upon D.watch,stare,glare的主语只能是人,只有D构成fix one's eyes on ／ upon sth.
What makes you fix upon that book?
你怎么会决定采用那本书的？
Culture and literature fix upon the elegy, making it have particular enchantment.
挽歌，集文化和文学于一身，有着独特的魅力。
Independence learning, it is the course that learners fix upon determine learning aim self-consciously, choose learning methods, monitor learning process and appraise learning result.
自主学习，是指学习者自觉确定学习目标、选择学习方法、监控学习过程、评价学习结果的过程。
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