默写
      ①____________________，燕然未勒归无计。
      ②过尽千帆皆不是，__________________。
      ③________________，载不动许多愁。
      ④《破阵子 为陈同甫赋壮词以寄之》中的 “____________________！”一句充满了作者壮志未酬的悲壮之情。
      ⑤________________，____________________？这是《江城子 密州出猎》中运用典故委婉地表达作者渴望得到重用的句子。

中国是个多民族的大家庭，以汉族为主体，占92%，其他少数民族主要分布在边疆地区，集中在（    ）

地球表面产生昼夜交替现象的主要原因是（    ）

阅读下面短文，并借助上下文和插图补充所缺信息。每个空格只能填写一个单词。

    Li Na is ____ Chinese professional(职业的) tennis player. Li has won 5WTAs and 19 ITF singles titles. Li Na was born ____ February 26, 1982 in Wuhan, China. When Li was 6 years old, she became a badminton ____, but her coach kept noticing that she looked as if she were playing tennis. By the time she was 8, her coach ____ her parents if she could switch to tennis, which she did at the ____ of 9. In 1997 Li ____ China's National Tennis Team andturned professional in1999. At the end of 2002, Li Na ____ the national tennis team to study at Huazhong University of Science and Technology, where she completed her bachelor(本科) degree in journalism. However, Li returned to the national team in 2004, Jiang Shan ____ Li and became her personal coach in 2006. In 2008 Li finally left the national team, becoming a free player. Li ____ English very well. She has a great sense of humor, too. She can move fast in her tennis playing. So she can ____ many other players and get many honors in her career (生涯). She is the most successful tennis player in China.