七、句子翻译(本题共 5 小题；每小题 1 分,满分 5 分)
76. 他很聪明,并且总是乐于助人。
77. 在家时,他喜欢把东西拆开,研究它们的工作原理。
78. 他还会上网为自己无穷无尽的问题寻找答案。
79. 顶层有一间配了电脑的阅览室。
80. 希望尽快收到你的邮件。

76. He is very clever and always ready to help others.
77. When he is at home, he likes taking things apart and studying how they work.
78. He also surfs the Internet to find answers to his endless questions.
79. There is a reading room with a computer on the top floor.
80. Hope to receive your email soon.

76. 考查简单句及并列连词。“聪明”用clever，“乐于助人”用ready to help others，用and连接并列成分。
77. 考查时间状语从句及固定搭配。“在家时”用When he is at home，“喜欢做某事”用like doing sth，“拆开”用take apart，“研究”用study，“工作原理”用how they work。
78. 考查动词短语。“上网”用surf the Internet，“为……寻找答案”用find answers to...，“无穷无尽的问题”用endless questions。
79. 考查there be句型及介词短语。“顶层”用on the top floor，“阅览室”用reading room，“配了电脑的”用with a computer作后置定语。
80. 考查祈使句及固定搭配。“希望做某事”用Hope to do sth，“收到你的邮件”用receive your email，“尽快”用soon。