阅读理解。 A young girl sits at her desk, reviewing her homework for the evening. English: Read three chapters and write a report. Math: Complete 30 problems. Science: Do a worksheet, front and back. French: (A) Study new words for tomorrow's test. It's going to be a long night. This happens to students in America. Now it's time to start a homework revolution (变革). Do students in the United States receive too much homework? According to the National Education Association, a student should be assigned (布置) no more than 10 minutes per grade level per night. For example, a first grader should only have 10 minutes of homework, a (B)_______ grader, 20 minutes, and so on. This means that a student in my grade-seventh-should have no more than 70 minutes of work (C) each night. Yet this is often doubled, sometimes even worse! It's no good giving students too much homework. According to research, kids are developing more illness at school, such as stomachaches, headaches and sleep problems than before. Everybody (D)_______ that teachers are the ones who assign homework, but they are not the only ones to blame (受责备). 'Many teachers are under greater pressure (压力) than ever before,' says Kylene Beers, President of the National Council for teachers of English,' Some of (E) it comes from parents, some from the wish for high scores on tests.' Teachers who are under pressure feel the need to assign more homework. Some people have different ideas, saying that homework prepares kids for doing better in high school, better in college, and (F) 今后找到更好的工作 . But too much homework is sapping students' strength, curiosity (削弱学生的个性和好奇心), and most importantly, their love of learning, is that really what teachers and parents want? 1. 写出文中画线部分(A)和(C)的同义词或近义词：_________  _________ 2. 在文中(B)和(D)的空白处分别填入适当单词： _________  _________ 3. 文中画线部分(E)指代的是：_________ 4. 将文中画线部分(F)译成汉语：_________ 5. 从文中找出能说明本文主旨大意的中心词：_________