87.Our efforts will pay off if the results of research_____(能应用于新技术的开发)。
答案：can be applied to the research and development of new technology
解析：“被应用于”翻译为“be applied to”，“……的开发”译为“the development of…”
88. I can’t boot my computer now .Something_____(一定出了毛病) with its operation system.
答案：must be wrong
89. Leaving one’s job, _____(不管是什么工作), is a difficult change even for those who look forward to retiring.
答案：no matter what job it is
解析：“无论……”可用no matter what 或whatever.
90. _____(与我成长的地方相比), this town is more prosperous and exciting.
答案：Compared with the place where I grew up
91. _____(直到他完成使命) did he realize that he was seriously ill.
答案：Not until he (had) accomplished his mission
解析：“not until …+did sb. do sth.”not until 置于句首，谓语动词要倒装。
Provide a Better Life for Senior Citizens Now we have a growing population of senior citizens. To ensure happy lives for them has become a focus of attention. Our traditiona
Passage Twenty-five (Exploration of the Titanic) After resting on the ocean floor, split asunder and rusting, for nearly three-quarters of a century, a great ship seemed to