1、No one imagined that the apparently _____ businessman was really a criminal.

　　A. respectful　　B. respectable　　C. respective　　D. respected

　　2、At first the institute refused to purchase the telescope, but this decision was _____ revised.

　　A. occasionally　　B. consequently　　C. successively　　D. subsequently

　　3、The speaker _____ several other subjects in the course of his talk but mostly kept himself to the main topic.

　　A. held on　　B. worked out　　C. touched on　　D. kept out of

　　4、Comrade Li Dazhao, _____ librarian of Beijing University, was one of the founders of the Chinese Communist Party.

　　A. sometimes　　B. sometime　　C. some time　　D. some times

　　5、Alice was very sorry to hear that her grandmother had _____ two days before.

　　A. broken off　　B. passed off　　C. given away　　D. passed away

　　参考答案&解析：

　　1、B. Respectable.　respectable受到尊敬的。

　　2、D. Subsequently.　subsequently(=afterwards)随后，其后。

　　3、C. touched on　touch on简单谈到。

　　4、B. Sometime.　sometime(=former)过去的，以前的：Alice Brown, a sometime pupil of our school, is now a teacher there。

　　5、D. passed away.　pass away(=die)死亡，是“死亡”的委婉语。break off中断;give away给掉;泄露;pass off中止，中断。