本题题目说An introductory sentence or a brief summary of the passage is provided below. Complete the summary by selecting the three answer choices that express the most important ideas in the passage。但做完文勇的黄金篇阅读,考察了所有本题的正确答案后发现好些答案(就是先前我说过的两个能先选出,剩下一个与summary关系不大的能写答案)只是在 express the most important ideas in the passage 或者是 express the right ideas given in the passage, 而与文章给出的summary句就没有什么明晰,convincing的总分关系。这是为何呢?