附加题（共计20分）
第一节单词拼写（共10小题; 每小题1分, 满分10分）
77. As they had no children of their own, they a_____________ an orphan.
78. My first a___________ at a chocolate cake tasted horrible.
79. There will be an e________ of paintings in the museum next week.
80. This store has an excellent r____________ for fair dealing.
81. Something that is p___________ lasts for ever.
82. We must cut out the diseased b___________ of the tree.
83. It was a long journey, but we e_____________ arrived.
84. A student e___________ program is a program in which a student chooses to live in a foreign country to learn.
85. He did badly in the exam because he was a_________ to computer games last year.
86. With this performance, she has won her third c________________ title in the Olympics.