题目内容
A key task is to get students to () for themselves the relationship between success and effort.
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For many old people, declining health is the constant source of dissatisfaction and ().
Of course, frugal travel has long been the () for many companies since the economic stagnation started in the country.
Don't let oppositions from those envious of your talents () you.
支气管扩张的治疗原则不包括（）
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