第四部分：写作（共三节，满分45分）
第一节：单词拼写（共10小题，满分10分）
请根据每句所给单词的汉语以及句子结构将英语单词写在每题右边的横线上。
51. Professor Li is very __(热心) about his teaching.                                                  51._________
52. Her teaching is not like that of my __(以前) teacher.                                                     52._________
53. The __(表现) of the students in class shows they like her.                                               53._________
54. The __(少年) felt unhappy because their team failed.                                                     54._________
55. Your listening __(理解) needs improving.                                                                    55._________
56. They looked at the car until it __(消失) in the darkness.                                                 56._________
57. History is not an __(学术) subject.                                                                   57._________
58. Secondary school in the US usually __(包含) seven years.                                         58.__________
59. His __(厌倦) speech made us sleepy.                                                                        59.__________
60. He always __(鼓励) us when we failed.                                                                    60.__________